diff --git a/src/api/delete.cpp b/src/api/delete.cpp
index 4752dd8..71f7a94 100644
--- a/src/api/delete.cpp
+++ b/src/api/delete.cpp
@@ -20,8 +20,8 @@
 
 using namespace Mastodon;
 
-const uint_fast16_t API::del(const Mastodon::API::v1 &call,
-                              const parametermap &parameters)
+uint_fast16_t API::del(const Mastodon::API::v1 &call,
+                       const parametermap &parameters)
 {
     string strcall = "";
     string strid = "";
@@ -60,8 +60,8 @@ const uint_fast16_t API::del(const Mastodon::API::v1 &call,
     return del(strcall, parameters, answer);
 }
 
-const uint_fast16_t API::del(const std::string &call,
-                              const parametermap &parameters, string &answer)
+uint_fast16_t API::del(const std::string &call,
+                       const parametermap &parameters, string &answer)
 {
 
     return _http.request(http::method::DELETE, call,
@@ -71,16 +71,16 @@ const uint_fast16_t API::del(const std::string &call,
 
 // ↓↓ DEPRECATED ↓↓
 
-const uint_fast16_t API::del(const Mastodon::API::v1 &call,
-                             const string &argument)
+uint_fast16_t API::del(const Mastodon::API::v1 &call,
+                       const string &argument)
 {
     const parametermap p = {};
     return del(call, argument, p);
 }
 
-const uint_fast16_t API::del(const Mastodon::API::v1 &call,
-                             const string &argument,
-                             const parametermap &parameters)
+uint_fast16_t API::del(const Mastodon::API::v1 &call,
+                       const string &argument,
+                       const parametermap &parameters)
 {
     parametermap newparameters = parameters;
 
diff --git a/src/api/get.cpp b/src/api/get.cpp
index 7b24c78..32a3dc5 100644
--- a/src/api/get.cpp
+++ b/src/api/get.cpp
@@ -21,8 +21,8 @@
 using namespace Mastodon;
 using std::cerr;
 
-const uint_fast16_t API::get(const Mastodon::API::v1 &call,
-                             const parametermap &parameters, string &answer)
+uint_fast16_t API::get(const Mastodon::API::v1 &call,
+                       const parametermap &parameters, string &answer)
 {
     string strcall = "";
     string strid = "";
@@ -168,8 +168,8 @@ const uint_fast16_t API::get(const Mastodon::API::v1 &call,
     return get(strcall, answer);
 }
 
-const uint_fast16_t API::get(const Mastodon::API::v2 &call,
-                             const parametermap &parameters, string &answer)
+uint_fast16_t API::get(const Mastodon::API::v2 &call,
+                       const parametermap &parameters, string &answer)
 {
     string strcall = "";
     string strid = "";
@@ -204,13 +204,13 @@ const uint_fast16_t API::get(const Mastodon::API::v2 &call,
     return get(strcall, answer);
 }
 
-const uint_fast16_t API::get(const Mastodon::API::v1 &call, string &answer)
+uint_fast16_t API::get(const Mastodon::API::v1 &call, string &answer)
 {
     const parametermap p;
     return get(call, p, answer);
 }
 
-const uint_fast16_t API::get(const std::string &call, string &answer)
+uint_fast16_t API::get(const std::string &call, string &answer)
 {
     return _http.request(http::method::GET, call, answer);
 }
@@ -219,9 +219,9 @@ const uint_fast16_t API::get(const std::string &call, string &answer)
 
 // ↓↓ DEPRECATED ↓↓
 
-const uint_fast16_t API::get(const Mastodon::API::v1 &call,
-                             const string &argument,
-                             const parametermap &parameters, string &answer)
+uint_fast16_t API::get(const Mastodon::API::v1 &call,
+                       const string &argument,
+                       const parametermap &parameters, string &answer)
 {
     parametermap newparameters = parameters;
 
@@ -243,8 +243,8 @@ const uint_fast16_t API::get(const Mastodon::API::v1 &call,
     return get(call, newparameters, answer);
 }
 
-const uint_fast16_t API::get(const Mastodon::API::v1 &call,
-                             const string &argument, string &answer)
+uint_fast16_t API::get(const Mastodon::API::v1 &call,
+                       const string &argument, string &answer)
 {
     const parametermap p;
     return get(call, argument, p, answer);
diff --git a/src/api/get_stream.cpp b/src/api/get_stream.cpp
index 2c01d37..9e6e4a6 100644
--- a/src/api/get_stream.cpp
+++ b/src/api/get_stream.cpp
@@ -21,10 +21,10 @@
 using namespace Mastodon;
 using std::cerr;
 
-const uint_fast16_t API::get_stream(const Mastodon::API::v1 &call,
-                                    const parametermap &parameters,
-                                    string &answer,
-                                    std::unique_ptr<Mastodon::API::http> &ptr)
+uint_fast16_t API::get_stream(const Mastodon::API::v1 &call,
+                              const parametermap &parameters,
+                              string &answer,
+                              std::unique_ptr<Mastodon::API::http> &ptr)
 {
     string strcall = "";
 
@@ -59,16 +59,16 @@ const uint_fast16_t API::get_stream(const Mastodon::API::v1 &call,
     return get_stream(strcall, answer, ptr);
 }
 
-const uint_fast16_t API::get_stream(const Mastodon::API::v1 &call,
-                                    string &answer,
-                                    std::unique_ptr<Mastodon::API::http> &ptr)
+uint_fast16_t API::get_stream(const Mastodon::API::v1 &call,
+                              string &answer,
+                              std::unique_ptr<Mastodon::API::http> &ptr)
 {
     parametermap p = {};
     return get_stream(call, p, answer, ptr);
 }
 
-const uint_fast16_t API::get_stream(const std::string &call, string &answer,
-                                    std::unique_ptr<http> &ptr)
+uint_fast16_t API::get_stream(const std::string &call, string &answer,
+                              std::unique_ptr<http> &ptr)
 {
     ptr = std::make_unique<http>(*this, _instance, _access_token);
     return ptr->request(http::method::GET_STREAM, call, answer);
@@ -77,10 +77,10 @@ const uint_fast16_t API::get_stream(const std::string &call, string &answer,
 
 // ↓↓ DEPRECATED ↓↓
 
-const uint_fast16_t API::get_stream(const Mastodon::API::v1 &call,
-                                    const string &argument,
-                                    string &answer,
-                                    std::unique_ptr<Mastodon::API::http> &ptr)
+uint_fast16_t API::get_stream(const Mastodon::API::v1 &call,
+                              const string &argument,
+                              string &answer,
+                              std::unique_ptr<Mastodon::API::http> &ptr)
 {
     parametermap parameters;
 
diff --git a/src/api/patch.cpp b/src/api/patch.cpp
index 1de93dc..5abf93f 100644
--- a/src/api/patch.cpp
+++ b/src/api/patch.cpp
@@ -21,9 +21,9 @@
 using namespace Mastodon;
 using std::cerr;
 
-const uint_fast16_t API::patch(const Mastodon::API::v1 &call,
-                               const parametermap &parameters,
-                               string &answer)
+uint_fast16_t API::patch(const Mastodon::API::v1 &call,
+                         const parametermap &parameters,
+                         string &answer)
 {
     string strcall = "";
     switch (call)
diff --git a/src/api/post.cpp b/src/api/post.cpp
index 2489d64..3f71d12 100644
--- a/src/api/post.cpp
+++ b/src/api/post.cpp
@@ -20,8 +20,8 @@
 
 using namespace Mastodon;
 
-const uint_fast16_t API::post(const Mastodon::API::v1 &call,
-                              const parametermap &parameters, string &answer)
+uint_fast16_t API::post(const Mastodon::API::v1 &call,
+                        const parametermap &parameters, string &answer)
 {
     string strcall = "";
     string strid = "";
@@ -137,14 +137,14 @@ const uint_fast16_t API::post(const Mastodon::API::v1 &call,
     return post(strcall, parameters, answer);
 }
 
-const uint_fast16_t API::post(const Mastodon::API::v1 &call, string &answer)
+uint_fast16_t API::post(const Mastodon::API::v1 &call, string &answer)
 {
     const parametermap p;
     return post(call, p, answer);
 }
 
-const uint_fast16_t API::post(const string &call,
-                              const parametermap &parameters, string &answer)
+uint_fast16_t API::post(const string &call,
+                        const parametermap &parameters, string &answer)
 {
 
     return _http.request(http::method::POST, call,
@@ -154,9 +154,9 @@ const uint_fast16_t API::post(const string &call,
 
 // ↓↓ DEPRECATED ↓↓
 
-const uint_fast16_t API::post(const Mastodon::API::v1 &call,
-                              const string &argument,
-                              const parametermap &parameters, string &answer)
+uint_fast16_t API::post(const Mastodon::API::v1 &call,
+                        const string &argument,
+                        const parametermap &parameters, string &answer)
 {
     parametermap newparameters = parameters;
 
@@ -166,8 +166,8 @@ const uint_fast16_t API::post(const Mastodon::API::v1 &call,
     return post(call, newparameters, answer);
 }
 
-const uint_fast16_t API::post(const Mastodon::API::v1 &call,
-                              const string &argument, string &answer)
+uint_fast16_t API::post(const Mastodon::API::v1 &call,
+                        const string &argument, string &answer)
 {
     const parametermap p;
     return post(call, argument, p, answer);
diff --git a/src/api/put.cpp b/src/api/put.cpp
index cfdece0..86f9312 100644
--- a/src/api/put.cpp
+++ b/src/api/put.cpp
@@ -20,8 +20,8 @@
 
 using namespace Mastodon;
 
-const uint_fast16_t API::put(const Mastodon::API::v1 &call,
-                             const parametermap &parameters, string &answer)
+uint_fast16_t API::put(const Mastodon::API::v1 &call,
+                       const parametermap &parameters, string &answer)
 {
     string strcall = "";
     string strid = "";
@@ -53,8 +53,8 @@ const uint_fast16_t API::put(const Mastodon::API::v1 &call,
     return put(strcall, parameters, answer);
 }
 
-const uint_fast16_t API::put(const string &call,
-                             const parametermap &parameters, string &answer)
+uint_fast16_t API::put(const string &call,
+                       const parametermap &parameters, string &answer)
 {
 
     return _http.request(http::method::PUT, call,
@@ -63,9 +63,9 @@ const uint_fast16_t API::put(const string &call,
 
 
 // ↓↓ DEPRECATED ↓↓
-const uint_fast16_t API::put(const Mastodon::API::v1 &call,
-                             const string &argument,
-                             const parametermap &parameters, string &answer)
+uint_fast16_t API::put(const Mastodon::API::v1 &call,
+                       const string &argument,
+                       const parametermap &parameters, string &answer)
 {
     parametermap newparameters = parameters;
 
diff --git a/src/easy/easy.cpp b/src/easy/easy.cpp
index 4196028..1bfc6c7 100644
--- a/src/easy/easy.cpp
+++ b/src/easy/easy.cpp
@@ -133,22 +133,22 @@ Easy::Link::Link(const string &link_header)
     }
 }
 
-const uint_fast64_t Easy::Link::next() const
+uint_fast64_t Easy::Link::next() const
 {
     return _next;
 }
 
-const uint_fast64_t Easy::Link::max_id() const
+uint_fast64_t Easy::Link::max_id() const
 {
     return _next;
 }
 
-const uint_fast64_t Easy::Link::prev() const
+uint_fast64_t Easy::Link::prev() const
 {
     return _prev;
 }
 
-const uint_fast64_t Easy::Link::since_id() const
+uint_fast64_t Easy::Link::since_id() const
 {
     return _prev;
 }
diff --git a/src/easy/easy.hpp b/src/easy/easy.hpp
index 98cf6b4..cf7c24e 100644
--- a/src/easy/easy.hpp
+++ b/src/easy/easy.hpp
@@ -171,28 +171,28 @@ public:
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t next() const;
+        uint_fast64_t next() const;
 
         /*!
          *  @brief  Returns max_id
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t max_id() const;
+        uint_fast64_t max_id() const;
 
         /*!
          *  @brief  Returns since_id
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t prev() const;
+        uint_fast64_t prev() const;
 
         /*!
          *  @brief  Returns since_id
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t since_id() const;
+        uint_fast64_t since_id() const;
 
     private:
         uint_fast64_t _next;
@@ -327,7 +327,7 @@ public:
          *  
          *  @since  before 0.11.0
          */
-        const void from_string(const string &json);
+        void from_string(const string &json);
 
         /*!
          *  @brief  Returns the JSON object of the Entity
@@ -343,7 +343,7 @@ public:
          *  
          *  @since  before 0.11.0 (virtual since 0.18.2)
          */
-        virtual const bool valid() const = 0;
+        virtual bool valid() const = 0;
 
         /*!
          *  @brief  Returns error string sent by the server
@@ -380,7 +380,7 @@ public:
          *  
          *  @since  before 0.11.0
          */
-        const bool was_set() const;
+        bool was_set() const;
 
     protected:
         /*!
@@ -403,14 +403,14 @@ public:
          *  
          *          Returns 0 if the value does not exist or is null.
          */
-        const uint_fast64_t get_uint64(const string &key) const;
+        uint_fast64_t get_uint64(const string &key) const;
 
         /*!
          *  @brief  Returns the value of key as double
          *  
          *          Returns 0.0 if the value does not exist or is null.
          */
-        const double get_double(const string &key) const;
+        double get_double(const string &key) const;
 
         // TODO: Maybe an enum would be better?
         /*!
@@ -418,7 +418,7 @@ public:
          *  
          *          Returns false if the value does not exist or is null.
          */
-        const bool get_bool(const string &key) const;
+        bool get_bool(const string &key) const;
 
         /*!
          *  @brief  Returns the value of key as time_point
@@ -440,9 +440,9 @@ public:
          *  
          *  @since  0.17.0
          */
-        const void set(const string &key, const Json::Value &value);
+        void set(const string &key, const Json::Value &value);
 
-        const std::uint_fast64_t stouint64(const string &str) const;
+        std::uint_fast64_t stouint64(const string &str) const;
 
         /*!
          *  @brief  Checks if an Entity is valid
@@ -453,8 +453,7 @@ public:
          *  
          *  @since  0.18.2
          */
-        const bool
-        check_valid(const std::vector<string> &attributes) const;
+        bool check_valid(const std::vector<string> &attributes) const;
 
     private:
         Json::Value _tree;
diff --git a/src/easy/entities/account.cpp b/src/easy/entities/account.cpp
index c451077..9f8dae7 100644
--- a/src/easy/entities/account.cpp
+++ b/src/easy/entities/account.cpp
@@ -29,7 +29,7 @@ Account::Account()
 : Entity()
 {}
 
-const bool Account::valid() const
+bool Account::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -74,7 +74,7 @@ const string Account::avatar_static() const
     return get_string("avatar_static");
 }
 
-const bool Account::bot() const
+bool Account::bot() const
 {
     return get_bool("bot");
 }
@@ -128,12 +128,12 @@ Account Account::fields(std::vector<Account::fields_pair> &fields)
     return *this;
 }
 
-const std::uint_fast64_t Account::followers_count() const
+std::uint_fast64_t Account::followers_count() const
 {
     return get_uint64("followers_count");
 }
 
-const std::uint_fast64_t Account::following_count() const
+std::uint_fast64_t Account::following_count() const
 {
     return get_uint64("following_count");
 }
@@ -154,12 +154,12 @@ const string Account::header_static() const
     return get_string("header_static");
 }
 
-const std::uint_fast64_t Account::id() const
+std::uint_fast64_t Account::id() const
 {
     return stouint64(get_string("id"));
 }
 
-const bool Account::locked() const
+bool Account::locked() const
 {
     return get_bool("locked");
 }
@@ -170,7 +170,7 @@ Account Account::locked(const bool &locked)
     return *this;
 }
 
-const bool Account::has_moved() const
+bool Account::has_moved() const
 {
     if (get("moved").isObject())
     {
@@ -207,7 +207,7 @@ const string Account::note_plain() const
     return get_string("source.note");
 }
 
-const Easy::visibility_type Account::privacy() const
+Easy::visibility_type Account::privacy() const
 {
     const string strprivacy = get_string("source.privacy");
     if (strprivacy.compare("public") == 0)
@@ -223,7 +223,7 @@ const Easy::visibility_type Account::privacy() const
     return visibility_type::Undefined;
 }
 
-const bool Account::sensitive() const
+bool Account::sensitive() const
 {
     return get_bool("source.sensitive");
 }
@@ -236,7 +236,7 @@ Account::Source::Source()
 : Entity()
 {}
 
-const bool Account::Source::valid() const
+bool Account::Source::valid() const
 {
     return true;
 }
@@ -286,7 +286,7 @@ Account::Source Account::Source::note(const string &note)
     return *this;
 }
 
-const Easy::visibility_type Account::Source::privacy() const
+Easy::visibility_type Account::Source::privacy() const
 {
     const string strprivacy = get_string("privacy");
     if (strprivacy.compare("public") == 0)
@@ -337,7 +337,7 @@ Account::Source Account::Source::privacy(const Easy::visibility_type &privacy)
     return *this;
 }
 
-const bool Account::Source::sensitive() const
+bool Account::Source::sensitive() const
 {
     return get_bool("sensitive");
 }
@@ -359,7 +359,7 @@ Account Account::source(const Account::Source &source)
     return *this;
 }
 
-const std::uint_fast64_t Account::statuses_count() const
+std::uint_fast64_t Account::statuses_count() const
 {
     return get_uint64("statuses_count");
 }
diff --git a/src/easy/entities/account.hpp b/src/easy/entities/account.hpp
index bbf9707..9b946de 100644
--- a/src/easy/entities/account.hpp
+++ b/src/easy/entities/account.hpp
@@ -69,7 +69,7 @@ namespace Mastodon
          */
         Account();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns username
@@ -109,7 +109,7 @@ namespace Mastodon
          *  
          *  @since  0.16.0
          */
-        const bool bot() const;
+        bool bot() const;
 
         /*!
          *  @brief  Returns time of creation
@@ -151,14 +151,14 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t followers_count() const;
+        uint_fast64_t followers_count() const;
 
         /*!
          *  @brief  Returns number of people this account follows
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t following_count() const;
+        uint_fast64_t following_count() const;
 
         /*!
          *  @brief  Returns URL of header image
@@ -188,14 +188,14 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t id() const;
+        uint_fast64_t id() const;
 
         /*!
          *  @brief  Returns true if the account is locked
          *  
          *  @since before 0.11.0
          */
-        const bool locked() const;
+        bool locked() const;
 
         /*!
          *  @brief  Sets locked state
@@ -209,7 +209,7 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const bool has_moved() const;
+        bool has_moved() const;
 
         /*!
          *  @brief  If the owner decided to switch accounts, new account is in
@@ -246,14 +246,14 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const visibility_type privacy() const;
+        visibility_type privacy() const;
 
         /*!
          *  @brief  Returns if media is marked as sensitive by default
          *  
          *  @since before 0.11.0
          */
-        const bool sensitive() const;
+        bool sensitive() const;
 
         /*!
          *  @brief  Class to hold source attribute
@@ -279,7 +279,7 @@ namespace Mastodon
              */
             Source();
 
-            virtual const bool valid() const;
+            virtual bool valid() const;
 
             /*!
              *  @brief  Returns metadata fields
@@ -314,7 +314,7 @@ namespace Mastodon
              *  
              *  @since 0.18.5
              */
-            const visibility_type privacy() const;
+            visibility_type privacy() const;
 
             /*!
              *  @brief  Sets default privacy of new toots
@@ -328,7 +328,7 @@ namespace Mastodon
              *  
              *  @since 0.18.5
              */
-            const bool sensitive() const;
+            bool sensitive() const;
 
             /*!
              *  @brief  Sets if media is marked as sensitive by default
@@ -346,7 +346,7 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t statuses_count() const;
+        uint_fast64_t statuses_count() const;
 
         /*!
          *  @brief  Returns URL of the profile
diff --git a/src/easy/entities/application.cpp b/src/easy/entities/application.cpp
index 57fd74b..d5f3086 100644
--- a/src/easy/entities/application.cpp
+++ b/src/easy/entities/application.cpp
@@ -27,7 +27,7 @@ Application::Application()
 : Entity()
 {}
 
-const bool Application::valid() const
+bool Application::valid() const
 {
     return Entity::check_valid({"name"});
 }
diff --git a/src/easy/entities/application.hpp b/src/easy/entities/application.hpp
index e88e4b2..63c23b5 100644
--- a/src/easy/entities/application.hpp
+++ b/src/easy/entities/application.hpp
@@ -56,7 +56,7 @@ namespace Mastodon
          */
         Application();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns the name of the application
diff --git a/src/easy/entities/attachment.cpp b/src/easy/entities/attachment.cpp
index 40203e6..dcd2d4e 100644
--- a/src/easy/entities/attachment.cpp
+++ b/src/easy/entities/attachment.cpp
@@ -29,7 +29,7 @@ Attachment::Attachment()
 : Entity()
 {}
 
-const bool Attachment::valid() const
+bool Attachment::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -42,17 +42,17 @@ const bool Attachment::valid() const
     return Entity::check_valid(attributes);
 }
 
-const double Attachment::aspect() const
+double Attachment::aspect() const
 {
     return get_double("meta.original.aspect");
 }
 
-const double Attachment::aspect_small() const
+double Attachment::aspect_small() const
 {
     return get_double("meta.small.aspect");
 }
 
-const uint_fast64_t Attachment::bitrate() const
+uint_fast64_t Attachment::bitrate() const
 {
     return get_uint64("meta.original.bitrate");
 }
@@ -110,7 +110,7 @@ Attachment Attachment::focus(const std::array<double, 2> &focus)
     return *this;
 }
 
-const double Attachment::framerate() const
+double Attachment::framerate() const
 {
     string strframes = get_string("meta.original.frame_rate");
 
@@ -129,17 +129,17 @@ const double Attachment::framerate() const
     return 0.0;
 }
 
-const uint_fast64_t Attachment::height() const
+uint_fast64_t Attachment::height() const
 {
     return get_uint64("meta.original.height");
 }
 
-const uint_fast64_t Attachment::height_small() const
+uint_fast64_t Attachment::height_small() const
 {
     return get_uint64("meta.small.height");
 }
 
-const std::uint_fast64_t Attachment::id() const
+std::uint_fast64_t Attachment::id() const
 {
     return stouint64(get_string("id"));
 }
@@ -169,7 +169,7 @@ const string Attachment::text_url() const
     return get_string("text_url");
 }
 
-const Easy::attachment_type Attachment::type() const
+Easy::attachment_type Attachment::type() const
 {
     const string strtype = get_string("type");
     if (strtype.compare("image") == 0)
@@ -190,12 +190,12 @@ const string Attachment::url() const
     return get_string("url");
 }
 
-const uint_fast64_t Attachment::width() const
+uint_fast64_t Attachment::width() const
 {
     return get_uint64("meta.original.width");
 }
 
-const uint_fast64_t Attachment::width_small() const
+uint_fast64_t Attachment::width_small() const
 {
     return get_uint64("meta.small.width");
 }
diff --git a/src/easy/entities/attachment.hpp b/src/easy/entities/attachment.hpp
index ab38050..a320f68 100644
--- a/src/easy/entities/attachment.hpp
+++ b/src/easy/entities/attachment.hpp
@@ -60,28 +60,28 @@ namespace Mastodon
          */
         Attachment();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Aspect of original image
          *  
          *  @since before 0.11.0
          */
-        const double aspect() const;
+        double aspect() const;
 
         /*!
          *  @brief  Aspect of preview image
          *  
          *  @since before 0.11.0
          */
-        const double aspect_small() const;
+        double aspect_small() const;
 
         /*!
          *  @brief  Returns the bitrate of a video
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t bitrate() const;
+        uint_fast64_t bitrate() const;
 
         /*!
          *  @brief  Returns the image description
@@ -143,28 +143,28 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const double framerate() const;
+        double framerate() const;
 
         /*!
          *  @brief  Returns the height of the original image
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t height() const;
+        uint_fast64_t height() const;
 
         /*!
          *  @brief  Returns the height of the preview image
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t height_small() const;
+        uint_fast64_t height_small() const;
 
         /*!
          *  @brief  Returns the ID of the attachment
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t id() const;
+        uint_fast64_t id() const;
 
         /*!
          *  @brief  Returns the URL of the preview image
@@ -206,7 +206,7 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const attachment_type type() const;
+        attachment_type type() const;
 
         /*!
          *  @brief  Returns URL of the locally hosted version of the image
@@ -220,14 +220,14 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t width() const;
+        uint_fast64_t width() const;
 
         /*!
          *  @brief  Returns the width of the preview image
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t width_small() const;
+        uint_fast64_t width_small() const;
 
 
     };
diff --git a/src/easy/entities/card.cpp b/src/easy/entities/card.cpp
index 129651c..d9378a4 100644
--- a/src/easy/entities/card.cpp
+++ b/src/easy/entities/card.cpp
@@ -28,7 +28,7 @@ Card::Card()
 : Entity()
 {}
 
-const bool Card::valid() const
+bool Card::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -56,7 +56,7 @@ const string Card::description() const
     return get_string("description");
 }
 
-const uint_fast64_t Card::height() const
+uint_fast64_t Card::height() const
 {
     return get_uint64("height");
 }
@@ -86,7 +86,7 @@ const string Card::title() const
     return get_string("title");
 }
 
-const Easy::card_type Card::type() const
+Easy::card_type Card::type() const
 {
     const string strtype = get_string("type");
     if (strtype.compare("link") == 0)
@@ -107,7 +107,7 @@ const string Card::url() const
     return get_string("url");
 }
 
-const uint_fast64_t Card::width() const
+uint_fast64_t Card::width() const
 {
     return get_uint64("width");
 }
diff --git a/src/easy/entities/card.hpp b/src/easy/entities/card.hpp
index 12a4e45..a2fba4a 100644
--- a/src/easy/entities/card.hpp
+++ b/src/easy/entities/card.hpp
@@ -58,7 +58,7 @@ namespace Mastodon
          */
         Card();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns the name of the author
@@ -86,7 +86,7 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t height() const;
+        uint_fast64_t height() const;
 
         /*!
          *  @brief  Returns the HTML
@@ -128,7 +128,7 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const Easy::card_type type() const;
+        Easy::card_type type() const;
 
         /*!
          *  @brief  Returns the URL associated with the card
@@ -142,7 +142,7 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t width() const;
+        uint_fast64_t width() const;
     };
 }
 
diff --git a/src/easy/entities/context.cpp b/src/easy/entities/context.cpp
index 9dc84e1..6cef62b 100644
--- a/src/easy/entities/context.cpp
+++ b/src/easy/entities/context.cpp
@@ -28,7 +28,7 @@ Context::Context()
 : Entity()
 {}
 
-const bool Context::valid() const
+bool Context::valid() const
 {
     const std::vector<string> attributes =
     {{
diff --git a/src/easy/entities/context.hpp b/src/easy/entities/context.hpp
index 84d6117..2b390fd 100644
--- a/src/easy/entities/context.hpp
+++ b/src/easy/entities/context.hpp
@@ -59,7 +59,7 @@ namespace Mastodon
          */
         Context();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns the ancestors of the Status as vector of Statuses
diff --git a/src/easy/entities/emoji.cpp b/src/easy/entities/emoji.cpp
index 49ff660..ed27b9d 100644
--- a/src/easy/entities/emoji.cpp
+++ b/src/easy/entities/emoji.cpp
@@ -28,7 +28,7 @@ Emoji::Emoji()
 : Entity()
 {}
 
-const bool Emoji::valid() const
+bool Emoji::valid() const
 {
     const std::vector<string> attributes =
     {{
diff --git a/src/easy/entities/emoji.hpp b/src/easy/entities/emoji.hpp
index 3b5e5af..d1c9dcc 100644
--- a/src/easy/entities/emoji.hpp
+++ b/src/easy/entities/emoji.hpp
@@ -56,7 +56,7 @@ namespace Mastodon
          */
         Emoji();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns the shortcode of the emoji
diff --git a/src/easy/entities/instance.cpp b/src/easy/entities/instance.cpp
index a8b1ad1..8852d41 100644
--- a/src/easy/entities/instance.cpp
+++ b/src/easy/entities/instance.cpp
@@ -30,7 +30,7 @@ Instance::Instance()
 : Entity()
 {}
 
-const bool Instance::valid() const
+bool Instance::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -94,7 +94,7 @@ const string Instance::streaming_api() const
     return get_string("urls.streaming_api");
 }
 
-const uint_fast64_t Instance::max_toot_chars() const
+uint_fast64_t Instance::max_toot_chars() const
 {
     const uint_fast64_t max_chars = get_uint64("max_toot_chars");
     if (was_set())
diff --git a/src/easy/entities/instance.hpp b/src/easy/entities/instance.hpp
index 131b155..bfcc992 100644
--- a/src/easy/entities/instance.hpp
+++ b/src/easy/entities/instance.hpp
@@ -61,7 +61,7 @@ namespace Mastodon
          */
         Instance();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns the Account of the admin or another contact person
@@ -129,7 +129,7 @@ namespace Mastodon
          *
          *  @since  0.20.0
          */
-        const uint_fast64_t max_toot_chars() const;
+        uint_fast64_t max_toot_chars() const;
     };
 }
 
diff --git a/src/easy/entities/list.cpp b/src/easy/entities/list.cpp
index c0d12a9..101d86f 100644
--- a/src/easy/entities/list.cpp
+++ b/src/easy/entities/list.cpp
@@ -29,7 +29,7 @@ List::List()
 : Entity()
 {}
 
-const bool List::valid() const
+bool List::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -40,7 +40,7 @@ const bool List::valid() const
     return Entity::check_valid(attributes);
 }
 
-const uint_fast64_t List::id() const
+uint_fast64_t List::id() const
 {
     return stouint64(get_string("id"));
 }
diff --git a/src/easy/entities/list.hpp b/src/easy/entities/list.hpp
index 2a8a324..87b73e5 100644
--- a/src/easy/entities/list.hpp
+++ b/src/easy/entities/list.hpp
@@ -59,14 +59,14 @@ namespace Mastodon
          */
         List();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns list-ID
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t id() const;
+        uint_fast64_t id() const;
 
         /*!
          *  @brief  Returns title
diff --git a/src/easy/entities/mention.cpp b/src/easy/entities/mention.cpp
index 78a369e..052dd0e 100644
--- a/src/easy/entities/mention.cpp
+++ b/src/easy/entities/mention.cpp
@@ -27,7 +27,7 @@ Mention::Mention()
 : Entity()
 {}
 
-const bool Mention::valid() const
+bool Mention::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -45,7 +45,7 @@ const string Mention::acct() const
     return get_string("acct");
 }
 
-const uint_fast64_t Mention::id() const
+uint_fast64_t Mention::id() const
 {
     return stouint64(get_string("id"));
 }
diff --git a/src/easy/entities/mention.hpp b/src/easy/entities/mention.hpp
index c0a7376..36d7851 100644
--- a/src/easy/entities/mention.hpp
+++ b/src/easy/entities/mention.hpp
@@ -59,7 +59,7 @@ namespace Mastodon
          */
         Mention();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns acct
@@ -73,7 +73,7 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t id() const;
+        uint_fast64_t id() const;
 
         /*!
          *  @brief  Returns the URL of user's profile
diff --git a/src/easy/entities/notification.cpp b/src/easy/entities/notification.cpp
index b6d277e..60e5704 100644
--- a/src/easy/entities/notification.cpp
+++ b/src/easy/entities/notification.cpp
@@ -28,7 +28,7 @@ Notification::Notification()
 : Entity()
 {}
 
-const bool Notification::valid() const
+bool Notification::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -58,7 +58,7 @@ const system_clock::time_point Notification::created_at() const
     return get_time_point("created_at");
 }
 
-const uint_fast64_t Notification::id() const
+uint_fast64_t Notification::id() const
 {
     return stouint64(get_string("id"));
 }
@@ -75,7 +75,7 @@ const Easy::Status Notification::status() const
     return Easy::Status();
 }
 
-const Easy::notification_type Notification::type() const
+Easy::notification_type Notification::type() const
 {
     const string strtype = get_string("type");
     if (strtype.compare("mention") == 0)
diff --git a/src/easy/entities/notification.hpp b/src/easy/entities/notification.hpp
index b7b766a..acaba32 100644
--- a/src/easy/entities/notification.hpp
+++ b/src/easy/entities/notification.hpp
@@ -64,7 +64,7 @@ namespace Mastodon
          */
         Notification();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns the Account sending the notification to the user
@@ -85,7 +85,7 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const uint_fast64_t id() const;
+        uint_fast64_t id() const;
 
         /*!
          *  @brief  Returns the Status associated with the notification, if
@@ -100,7 +100,7 @@ namespace Mastodon
          *  
          *  @since before 0.11.0
          */
-        const Easy::notification_type type() const;
+        Easy::notification_type type() const;
     };
 }
 
diff --git a/src/easy/entities/pushsubscription.cpp b/src/easy/entities/pushsubscription.cpp
index 3882c89..093666b 100644
--- a/src/easy/entities/pushsubscription.cpp
+++ b/src/easy/entities/pushsubscription.cpp
@@ -23,7 +23,7 @@ PushSubscription::PushSubscription(const string &json)
 : Entity(json)
 {}
 
-const uint_fast64_t PushSubscription::id() const
+uint_fast64_t PushSubscription::id() const
 {
     return stouint64(get_string("id"));
 }
@@ -32,7 +32,7 @@ PushSubscription::PushSubscription()
 : Entity()
 {}
 
-const bool PushSubscription::valid() const
+bool PushSubscription::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -88,7 +88,7 @@ const Easy::alertmap PushSubscription::alerts() const
     return alerts;
 }
 
-const bool PushSubscription::s_to_b(const string &str) const
+bool PushSubscription::s_to_b(const string &str) const
 {
     if (str.compare("true") == 0)
     {
diff --git a/src/easy/entities/pushsubscription.hpp b/src/easy/entities/pushsubscription.hpp
index 1f7b50d..68fac5f 100644
--- a/src/easy/entities/pushsubscription.hpp
+++ b/src/easy/entities/pushsubscription.hpp
@@ -59,14 +59,14 @@ namespace Mastodon
          */
         PushSubscription();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns push subscription ID
          *  
          *  @since  0.14.0
          */
-        const uint_fast64_t id() const;
+        uint_fast64_t id() const;
 
         /*!
          *  @brief  Returns the endpoint URL
@@ -97,7 +97,7 @@ namespace Mastodon
          *
          *  @return `true` if str is equal to "true", `false` otherwise
          */
-        const bool s_to_b(const string &str) const;
+        bool s_to_b(const string &str) const;
 };
 }
 
diff --git a/src/easy/entities/relationship.cpp b/src/easy/entities/relationship.cpp
index 3110778..41c4da7 100644
--- a/src/easy/entities/relationship.cpp
+++ b/src/easy/entities/relationship.cpp
@@ -27,7 +27,7 @@ Relationship::Relationship()
 : Entity()
 {}
 
-const bool Relationship::valid() const
+bool Relationship::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -44,52 +44,52 @@ const bool Relationship::valid() const
     return Entity::check_valid(attributes);
 }
 
-const bool Relationship::blocking() const
+bool Relationship::blocking() const
 {
     return get_bool("blocking");
 }
 
-const bool Relationship::domain_blocking() const
+bool Relationship::domain_blocking() const
 {
     return get_bool("domain_blocking");
 }
 
-const bool Relationship::endorsed() const
+bool Relationship::endorsed() const
 {
     return get_bool("endorsed");
 }
 
-const bool Relationship::followed_by() const
+bool Relationship::followed_by() const
 {
     return get_bool("followed_by");
 }
 
-const bool Relationship::following() const
+bool Relationship::following() const
 {
     return get_bool("following");
 }
 
-const uint_fast64_t Relationship::id() const
+uint_fast64_t Relationship::id() const
 {
     return stouint64(get_string("id"));
 }
 
-const bool Relationship::muting() const
+bool Relationship::muting() const
 {
     return get_bool("muting");
 }
 
-const bool Relationship::muting_notifications() const
+bool Relationship::muting_notifications() const
 {
     return get_bool("muting_notifications");
 }
 
-const bool Relationship::requested() const
+bool Relationship::requested() const
 {
     return get_bool("requested");
 }
 
-const bool Relationship::showing_notifications() const
+bool Relationship::showing_notifications() const
 {
     return get_bool("showing_notifications");
 }
diff --git a/src/easy/entities/relationship.hpp b/src/easy/entities/relationship.hpp
index 58fbf71..25343de 100644
--- a/src/easy/entities/relationship.hpp
+++ b/src/easy/entities/relationship.hpp
@@ -58,77 +58,77 @@ namespace Mastodon
          */
         Relationship();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns true if the user is blocking the account
          *  
          *  @since  before 0.11.0
          */
-        const bool blocking() const;
+        bool blocking() const;
 
         /*!
          *  @brief  Returns true if the user is blocking the account's domain
          *  
          *  @since  before 0.11.0
          */
-        const bool domain_blocking() const;
+        bool domain_blocking() const;
 
         /*!
          *  @brief  Returns true if the account is endorsed by the user
          *  
          *  @since  0.19.0
          */
-        const bool endorsed() const;
+        bool endorsed() const;
 
         /*!
          *  @brief  Returns true if the user is being followed by the account
          *  
          *  @since  before 0.11.0
          */
-        const bool followed_by() const;
+        bool followed_by() const;
 
         /*!
          *  @brief  Returns true if the user is being following the account
          *  
          *  @since  before 0.11.0
          */
-        const bool following() const;
+        bool following() const;
 
         /*!
          *  @brief  Returns the target account ID
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t id() const;
+        uint_fast64_t id() const;
 
         /*!
          *  @brief  Returns true if the user is muting the account
          *  
          *  @since  before 0.11.0
          */
-        const bool muting() const;
+        bool muting() const;
 
         /*!
          *  @brief  Returns true if the user is also muting notifications
          *  
          *  @since  before 0.11.0
          */
-        const bool muting_notifications() const;
+        bool muting_notifications() const;
 
         /*!
          *  @brief  Returns true if the user has requested to follow the account
          *  
          *  @since  before 0.11.0
          */
-        const bool requested() const;
+        bool requested() const;
 
         /*!
          *  @brief  Returns true if the user is showing notifications
          *  
          *  @since  0.19.0
          */
-        const bool showing_notifications() const;
+        bool showing_notifications() const;
     };
 }
 
diff --git a/src/easy/entities/report.cpp b/src/easy/entities/report.cpp
index 7a85b5e..53f6608 100644
--- a/src/easy/entities/report.cpp
+++ b/src/easy/entities/report.cpp
@@ -27,7 +27,7 @@ Report::Report()
 : Entity()
 {}
 
-const bool Report::valid() const
+bool Report::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -38,12 +38,12 @@ const bool Report::valid() const
     return Entity::check_valid(attributes);
 }
 
-const bool Report::action_taken() const
+bool Report::action_taken() const
 {
     return get_bool("action_taken");
 }
 
-const uint_fast64_t Report::id() const
+uint_fast64_t Report::id() const
 {
     return stouint64(get_string("id"));
 }
diff --git a/src/easy/entities/report.hpp b/src/easy/entities/report.hpp
index ef80a74..5b54d03 100644
--- a/src/easy/entities/report.hpp
+++ b/src/easy/entities/report.hpp
@@ -58,7 +58,7 @@ namespace Mastodon
          */
         Report();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns true if an action was taken in response to the
@@ -66,14 +66,14 @@ namespace Mastodon
          *  
          *  @since  before 0.11.0
          */
-        const bool action_taken() const;
+        bool action_taken() const;
         
         /*!
          *  @brief  Returns the ID of the report
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t id() const;
+        uint_fast64_t id() const;
     };
 }
 
diff --git a/src/easy/entities/results.cpp b/src/easy/entities/results.cpp
index e571802..dbd0111 100644
--- a/src/easy/entities/results.cpp
+++ b/src/easy/entities/results.cpp
@@ -28,7 +28,7 @@ Results::Results()
 : Entity()
 {}
 
-const bool Results::valid() const
+bool Results::valid() const
 {
     const std::vector<string> attributes =
     {{
diff --git a/src/easy/entities/results.hpp b/src/easy/entities/results.hpp
index 685717d..199644b 100644
--- a/src/easy/entities/results.hpp
+++ b/src/easy/entities/results.hpp
@@ -63,7 +63,7 @@ namespace Mastodon
          */
         Results();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns an array of matched Accounts
diff --git a/src/easy/entities/status.cpp b/src/easy/entities/status.cpp
index 7e3de1a..41e4e9a 100644
--- a/src/easy/entities/status.cpp
+++ b/src/easy/entities/status.cpp
@@ -29,7 +29,7 @@ Status::Status()
 : Entity()
 {}
 
-const bool Status::valid() const
+bool Status::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -117,22 +117,22 @@ const std::vector<Easy::Emoji> Status::emojis() const
     return {};
 }
 
-const bool Status::favourited() const
+bool Status::favourited() const
 {
     return get_bool("favourited");
 }
 
-const uint_fast64_t Status::favourites_count() const
+uint_fast64_t Status::favourites_count() const
 {
     return get_uint64("favourites_count");
 }
 
-const uint_fast64_t Status::id() const
+uint_fast64_t Status::id() const
 {
     return stouint64(get_string("id"));
 }
 
-const uint_fast64_t Status::in_reply_to_id() const
+uint_fast64_t Status::in_reply_to_id() const
 {
     return stouint64(get_string("in_reply_to_id"));
 }
@@ -143,7 +143,7 @@ Status Status::in_reply_to_id(const uint_fast64_t &in_reply_to_id)
     return *this;
 }
 
-const uint_fast64_t Status::in_reply_to_account_id() const
+uint_fast64_t Status::in_reply_to_account_id() const
 {
     return stouint64(get_string("in_reply_to_account_id"));
 }
@@ -205,12 +205,12 @@ const std::vector<Easy::Mention> Status::mentions() const
     return {};
 }
 
-const bool Status::muted() const
+bool Status::muted() const
 {
     return get_bool("muted");
 }
 
-const bool Status::pinned() const
+bool Status::pinned() const
 {
     return get_bool("pinned");
 }
@@ -226,22 +226,22 @@ const Status Status::reblog() const
     return Easy::Status();
 }
 
-const bool Status::reblogged() const
+bool Status::reblogged() const
 {
     return get_bool("reblogged");
 }
 
-const uint_fast64_t Status::reblogs_count() const
+uint_fast64_t Status::reblogs_count() const
 {
     return get_uint64("reblogs_count");
 }
 
-const uint_fast64_t Status::replies_count() const
+uint_fast64_t Status::replies_count() const
 {
     return get_uint64("replies_count");
 }
 
-const bool Status::sensitive() const
+bool Status::sensitive() const
 {
     return get_bool("sensitive");
 }
@@ -289,7 +289,7 @@ const string Status::url() const
     return get_string("url");
 }
 
-const Easy::visibility_type Status::visibility() const
+Easy::visibility_type Status::visibility() const
 {
     const string strvisibility = get_string("visibility");
     if (strvisibility.compare("public") == 0)
diff --git a/src/easy/entities/status.hpp b/src/easy/entities/status.hpp
index bc8021d..6222a37 100644
--- a/src/easy/entities/status.hpp
+++ b/src/easy/entities/status.hpp
@@ -75,7 +75,7 @@ namespace Mastodon
          */
         Status();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns an array of matched accounts.
@@ -131,28 +131,28 @@ namespace Mastodon
          *  
          *  @since  before 0.11.0
          */
-        const bool favourited() const;
+        bool favourited() const;
 
         /*!
          *  @brief  Returns the number of favourites
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t favourites_count() const;
+        uint_fast64_t favourites_count() const;
 
         /*!
          *  @brief  Returns the ID of the status
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t id() const;
+        uint_fast64_t id() const;
 
         /*!
          *  @brief  Returns the ID of the status it replies to
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t in_reply_to_id() const;
+        uint_fast64_t in_reply_to_id() const;
 
         /*!
          *  @brief  Sets the ID of the status it replies to
@@ -166,7 +166,7 @@ namespace Mastodon
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t in_reply_to_account_id() const;
+        uint_fast64_t in_reply_to_account_id() const;
 
         /*!
          *  @brief  Returns the language of the status
@@ -209,14 +209,14 @@ namespace Mastodon
          *  
          *  @since  before 0.11.0
          */
-        const bool muted() const;
+        bool muted() const;
 
         /*!
          *  @brief  Returns true if the status is pinned
          *  
          *  @since  before 0.11.0
          */
-        const bool pinned() const;
+        bool pinned() const;
 
         /*!
          *  @brief  Returns the reblogged Status
@@ -230,28 +230,28 @@ namespace Mastodon
          *  
          *  @since  before 0.11.0
          */
-        const bool reblogged() const;
+        bool reblogged() const;
 
         /*!
          *  @brief  Returns the number of reblogs for the status
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast64_t reblogs_count() const;
+        uint_fast64_t reblogs_count() const;
 
         /*!
          *  @brief  Returns the number of replies for the status
          *  
          *  @since  0.19.0
          */
-        const uint_fast64_t replies_count() const;
+        uint_fast64_t replies_count() const;
 
         /*!
          *  @brief  Returns true if the attachments should be hidden by default
          *  
          *  @since  before 0.11.0
          */
-        const bool sensitive() const;
+        bool sensitive() const;
 
         /*!
          *  @brief  Sets sensitive flag for attachments
@@ -300,7 +300,7 @@ namespace Mastodon
          *  
          *  @since  before 0.11.0
          */
-        const visibility_type visibility() const;
+        visibility_type visibility() const;
 
         /*!
          *  @brief  Sets the visibility of the status
diff --git a/src/easy/entities/tag.cpp b/src/easy/entities/tag.cpp
index 1899483..e2d1a96 100644
--- a/src/easy/entities/tag.cpp
+++ b/src/easy/entities/tag.cpp
@@ -30,7 +30,7 @@ Tag::Tag()
 : Entity()
 {}
 
-const bool Tag::valid() const
+bool Tag::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -77,7 +77,7 @@ Tag::History::History()
 : Entity()
 {}
 
-const bool Tag::History::valid() const
+bool Tag::History::valid() const
 {
     const std::vector<string> attributes =
     {{
@@ -89,7 +89,7 @@ const bool Tag::History::valid() const
     return Entity::check_valid(attributes);
 }
 
-const uint_fast64_t Tag::History::accounts()
+uint_fast64_t Tag::History::accounts()
 {
     return stouint64(get_string("accounts"));
 }
@@ -108,7 +108,7 @@ const system_clock::time_point Tag::History::day()
     return system_clock::time_point();
 }
 
-const uint_fast64_t Tag::History::uses()
+uint_fast64_t Tag::History::uses()
 {
     return stouint64(get_string("uses"));
 }
diff --git a/src/easy/entities/tag.hpp b/src/easy/entities/tag.hpp
index 46b9214..8e3dec6 100644
--- a/src/easy/entities/tag.hpp
+++ b/src/easy/entities/tag.hpp
@@ -68,14 +68,14 @@ namespace Mastodon
              */
             History();
 
-            virtual const bool valid() const;
+            virtual bool valid() const;
 
             /*!
              *  @brief  Returns the number of accounts using that hashtag.
              *  
              *  @since  0.16.0
              */
-            const uint_fast64_t accounts();
+            uint_fast64_t accounts();
 
             /*!
              *  @brief  Returns the day.
@@ -89,7 +89,7 @@ namespace Mastodon
              *  
              *  @since  0.16.0
              */
-            const uint_fast64_t uses();
+            uint_fast64_t uses();
         };
 
         /*!
@@ -108,7 +108,7 @@ namespace Mastodon
          */
         Tag();
 
-        virtual const bool valid() const;
+        virtual bool valid() const;
 
         /*!
          *  @brief  Returns the name of the tag
diff --git a/src/easy/entity.cpp b/src/easy/entity.cpp
index 79e4cba..3bd5710 100644
--- a/src/easy/entity.cpp
+++ b/src/easy/entity.cpp
@@ -33,7 +33,7 @@ Easy::Entity::Entity(const string &json)
     from_string(json);
 }
 
-const void Easy::Entity::from_string(const string &json)
+void Easy::Entity::from_string(const string &json)
 {
     std::stringstream ss(json);
     ss >> _tree;
@@ -66,8 +66,7 @@ Easy::Entity::Entity()
 : _was_set(false)
 {}
 
-const bool
-Easy::Entity::check_valid(const std::vector<string> &attributes) const
+bool Easy::Entity::check_valid(const std::vector<string> &attributes) const
 {
     for (const string &attribute: attributes)
     {
@@ -86,7 +85,7 @@ const string Easy::Entity::error() const
     return get_string("error");
 }
 
-const bool Easy::Entity::was_set() const
+bool Easy::Entity::was_set() const
 {
     return _was_set;
 }
@@ -146,7 +145,7 @@ const string Easy::Entity::get_string(const string &key) const
     return "";
 }
 
-const uint_fast64_t Easy::Entity::get_uint64(const string &key) const
+uint_fast64_t Easy::Entity::get_uint64(const string &key) const
 {
     const Json::Value node = get(key);
 
@@ -160,7 +159,7 @@ const uint_fast64_t Easy::Entity::get_uint64(const string &key) const
     return 0;
 }
 
-const double Easy::Entity::get_double(const string &key) const
+double Easy::Entity::get_double(const string &key) const
 {
     const Json::Value node = get(key);
 
@@ -174,7 +173,7 @@ const double Easy::Entity::get_double(const string &key) const
     return 0.0;
 }
 
-const bool Easy::Entity::get_bool(const string &key) const
+bool Easy::Entity::get_bool(const string &key) const
 {
     const Json::Value node = get(key);
 
@@ -196,7 +195,7 @@ const system_clock::time_point
     if (node.isString())
     {
         std::stringstream sstime(node.asString());
-        struct std::tm tm = {0};
+        struct std::tm tm;
         sstime >> std::get_time(&tm, "%Y-%m-%dT%T");
         std::time_t time = timegm(&tm);
         _was_set = true;
@@ -227,7 +226,7 @@ const std::vector<string> Easy::Entity::get_vector(const string &key) const
     return {};
 }
 
-const void Easy::Entity::set(const string &key, const Json::Value &value)
+void Easy::Entity::set(const string &key, const Json::Value &value)
 {
     if (key.find('.') == std::string::npos)
     {
@@ -265,7 +264,7 @@ const void Easy::Entity::set(const string &key, const Json::Value &value)
     ttdebug << "Could not set data: " << key << '\n';
 }
 
-const std::uint_fast64_t Easy::Entity::stouint64(const string &str) const
+std::uint_fast64_t Easy::Entity::stouint64(const string &str) const
 {
     if (str == "")
     {
diff --git a/src/http.cpp b/src/http.cpp
index a7593ed..1df9eaa 100644
--- a/src/http.cpp
+++ b/src/http.cpp
@@ -44,17 +44,17 @@ API::http::~http()
     curlpp::terminate();
 }
 
-const uint_fast16_t API::http::request(const method &meth,
-                                       const string &path,
-                                       string &answer)
+uint_fast16_t API::http::request(const method &meth,
+                                 const string &path,
+                                 string &answer)
 {
     return request(meth, path, curlpp::Forms(), answer);
 }
 
-const uint_fast16_t API::http::request(const method &meth,
-                                       const string &path,
-                                       const curlpp::Forms &formdata,
-                                       string &answer)
+uint_fast16_t API::http::request(const method &meth,
+                                 const string &path,
+                                 const curlpp::Forms &formdata,
+                                 string &answer)
 {
     using namespace std::placeholders;  // _1, _2, _3
 
@@ -119,8 +119,10 @@ const uint_fast16_t API::http::request(const method &meth,
                 break;
             case http::method::PUT:
                 request.setOpt<curlopts::CustomRequest>("PUT");
+                break;
             case http::method::DELETE:
                 request.setOpt<curlopts::CustomRequest>("DELETE");
+                break;
             default:
                 break;
         }
@@ -194,25 +196,25 @@ const uint_fast16_t API::http::request(const method &meth,
     }
 }
 
-const void API::http::get_headers(string &headers) const
+void API::http::get_headers(string &headers) const
 {
     headers = _headers;
 }
 
-const size_t API::http::callback_write(char* data, size_t size, size_t nmemb,
-                                       string *str)
+size_t API::http::callback_write(char* data, size_t size, size_t nmemb,
+                                 string *str)
 {
     std::lock_guard<std::mutex> lock(_mutex);
     str->append(data, size * nmemb);
     // ttdebug << "Received " << size * nmemb << " Bytes\n";
     return size * nmemb;
-};
+}
 
-const size_t API::http::callback(char* data, size_t size, size_t nmemb,
-                                 string *str)
+size_t API::http::callback(char* data, size_t size, size_t nmemb,
+                           string *str)
 {
     return callback_write(data, size, nmemb, str);
-};
+}
 
 double API::http::callback_progress(double /* dltotal */, double /* dlnow */,
                                     double /* ultotal */, double /* ulnow */)
@@ -223,14 +225,14 @@ double API::http::callback_progress(double /* dltotal */, double /* dlnow */,
         return 1;
     }
     return 0;
-};
+}
 
-const void API::http::cancel_stream()
+void API::http::cancel_stream()
 {
     _cancel_stream = true;
 }
 
-const void API::http::abort_stream()
+void API::http::abort_stream()
 {
     cancel_stream();
 }
diff --git a/src/mastodon-cpp.cpp b/src/mastodon-cpp.cpp
index 804a4ca..e675063 100644
--- a/src/mastodon-cpp.cpp
+++ b/src/mastodon-cpp.cpp
@@ -39,7 +39,7 @@ API::API(const string &instance, const string &access_token)
     //
 }
 
-const void API::set_useragent(const std::string &useragent)
+void API::set_useragent(const std::string &useragent)
 {
     _useragent = useragent;
 }
@@ -148,25 +148,25 @@ const std::string API::urldecode(const std::string &str)
     return curlpp::unescape(str);
 }
 
-const uint_fast16_t API::register_app1(const string &instance,
-                                       const string &client_name,
-                                       const string &redirect_uri,
-                                       const string &scopes,
-                                       const string &website,
-                                       string &client_id,
-                                       string &client_secret,
-                                       string &url)
+uint_fast16_t API::register_app1(const string &instance,
+                                 const string &client_name,
+                                 const string &redirect_uri,
+                                 const string &scopes,
+                                 const string &website,
+                                 string &client_id,
+                                 string &client_secret,
+                                 string &url)
 {
     return register_app1(client_name, redirect_uri, scopes, website,
                   client_id, client_secret, url);
 }
-const uint_fast16_t API::register_app1(const string &client_name,
-                                       const string &redirect_uri,
-                                       const string &scopes,
-                                       const string &website,
-                                       string &client_id,
-                                       string &client_secret,
-                                       string &url)
+uint_fast16_t API::register_app1(const string &client_name,
+                                 const string &redirect_uri,
+                                 const string &scopes,
+                                 const string &website,
+                                 string &client_id,
+                                 string &client_secret,
+                                 string &url)
 {
     API::parametermap parameters =
     {
@@ -214,21 +214,21 @@ const uint_fast16_t API::register_app1(const string &client_name,
     
 }
 
-const uint_fast16_t API::register_app2(const string &instance,
-                                       const string &client_id,
-                                       const string &client_secret,
-                                       const string &redirect_uri,
-                                       const string &code,
-                                       string &access_token)
+uint_fast16_t API::register_app2(const string &instance,
+                                 const string &client_id,
+                                 const string &client_secret,
+                                 const string &redirect_uri,
+                                 const string &code,
+                                 string &access_token)
 {
     return register_app2(client_id, client_secret, redirect_uri, code, access_token);
 }
 
-const uint_fast16_t API::register_app2(const string &client_id,
-                                       const string &client_secret,
-                                       const string &redirect_uri,
-                                       const string &code,
-                                       string &access_token)
+uint_fast16_t API::register_app2(const string &client_id,
+                                 const string &client_secret,
+                                 const string &redirect_uri,
+                                 const string &code,
+                                 string &access_token)
 {
     API::parametermap parameters =
     {
@@ -280,7 +280,7 @@ bool API::exceptions(const bool &value)
     return _exceptions;
 }
 
-const bool API::exceptions() const
+bool API::exceptions() const
 {
     return _exceptions;
 }
@@ -586,13 +586,13 @@ const string API::unescape_html(const string &html)
     return output;
 }
 
-const void API::set_proxy(const string &proxy, const string &userpw)
+void API::set_proxy(const string &proxy, const string &userpw)
 {
     _proxy = proxy;
     _proxy_userpw = userpw;
 }
 
-const void API::get_proxy(string &proxy, string &userpw) const
+void API::get_proxy(string &proxy, string &userpw) const
 {
     if (!_proxy.empty())
     {
diff --git a/src/mastodon-cpp.hpp b/src/mastodon-cpp.hpp
index 6d9001d..515dfcd 100644
--- a/src/mastodon-cpp.hpp
+++ b/src/mastodon-cpp.hpp
@@ -101,7 +101,7 @@ public:
         explicit http(const API &api, const string &instance,
                       const string &access_token);
         ~http();
-        const uint_fast16_t request(const method &meth,
+        uint_fast16_t request(const method &meth,
                                     const string &path,
                                     string &answer);
 
@@ -118,7 +118,7 @@ public:
          *  
          *  @since  before 0.11.0
          */
-        const uint_fast16_t request(const method &meth,
+        uint_fast16_t request(const method &meth,
                                     const string &path,
                                     const curlpp::Forms &formdata,
                                     string &answer);
@@ -126,7 +126,7 @@ public:
         /*!
          *  @brief  Get all headers in a string
          */
-        const void get_headers(string &headers) const;
+        void get_headers(string &headers) const;
 
         /*!
          *  @brief  Cancels the stream. Use only with streams.
@@ -138,10 +138,10 @@ public:
          *          
          *  @since  0.12.2
          */ 
-        const void cancel_stream();
+        void cancel_stream();
 
         [[deprecated("Will vanish in 1.0.0. Use cancel_stream() instead.")]]
-        const void abort_stream();
+        void abort_stream();
 
         /*!
          *  @brief  Gets the mutex guarding the string that is written to.
@@ -163,10 +163,10 @@ public:
         bool _cancel_stream;
         std::mutex _mutex;
 
-        const size_t callback_write(char* data, size_t size, size_t nmemb,
+        size_t callback_write(char* data, size_t size, size_t nmemb,
                                     string *oss);
         [[deprecated("Will vanish in 1.0.0. Use callback_write() instead.")]]
-        const size_t callback(char* data, size_t size, size_t nmemb,
+        size_t callback(char* data, size_t size, size_t nmemb,
                               string *oss);
         double callback_progress(double /* dltotal */, double /* dlnow */,
                                  double /* ultotal */, double /* ulnow */);
@@ -304,7 +304,7 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const void set_useragent(const string &useragent);
+    void set_useragent(const string &useragent);
 
     /*!
      *  @brief  Gets the useragent.
@@ -375,23 +375,23 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t register_app1(const string &client_name,
-                                      const string &redirect_uri,
-                                      const string &scopes,
-                                      const string &website,
-                                      string &client_id,
-                                      string &client_secret,
-                                      string &url);
+    uint_fast16_t register_app1(const string &client_name,
+                                const string &redirect_uri,
+                                const string &scopes,
+                                const string &website,
+                                string &client_id,
+                                string &client_secret,
+                                string &url);
 
     [[deprecated("Will vanish in 1.0.0")]]
-    const uint_fast16_t register_app1(const string &instance,
-                                      const string &client_name,
-                                      const string &redirect_uri,
-                                      const string &scopes,
-                                      const string &website,
-                                      string &client_id,
-                                      string &client_secret,
-                                      string &url);
+    uint_fast16_t register_app1(const string &instance,
+                                const string &client_name,
+                                const string &redirect_uri,
+                                const string &scopes,
+                                const string &website,
+                                string &client_id,
+                                string &client_secret,
+                                string &url);
 
     /*!
      *  @brief  Register application, step 2/2
@@ -408,19 +408,19 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t register_app2(const string &client_id,
-                                      const string &client_secret,
-                                      const string &redirect_uri,
-                                      const string &code,
-                                      string &access_token);
+    uint_fast16_t register_app2(const string &client_id,
+                                const string &client_secret,
+                                const string &redirect_uri,
+                                const string &code,
+                                string &access_token);
 
     [[deprecated("Will vanish in 1.0.0")]]
-    const uint_fast16_t register_app2(const string &instance,
-                                      const string &client_id,
-                                      const string &client_secret,
-                                      const string &redirect_uri,
-                                      const string &code,
-                                      string &access_token);
+    uint_fast16_t register_app2(const string &instance,
+                                const string &client_id,
+                                const string &client_secret,
+                                const string &redirect_uri,
+                                const string &code,
+                                string &access_token);
 
     /*!
      *  @brief  Gets the header from the last answer.
@@ -450,7 +450,7 @@ public:
     /*!
      *  @brief  Returns true if exceptions are turned on, false otherwise
      */
-    const bool exceptions() const;
+    bool exceptions() const;
 
     /*!
      *  @brief  Replaces HTML entities with UTF-8 characters
@@ -472,7 +472,7 @@ public:
      *
      *  @since  0.15.0
      */
-    const void set_proxy(const string &proxy, const string &userpw = "");
+    void set_proxy(const string &proxy, const string &userpw = "");
 
     /*!
      *  @brief  For internal use
@@ -482,7 +482,7 @@ public:
      *
      *  @since  0.15.1
      */
-    const void get_proxy(string &proxy, string &userpw) const;
+    void get_proxy(string &proxy, string &userpw) const;
 
     /*!
      *  @brief  Make a GET request which doesn't require parameters.
@@ -495,7 +495,7 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t get(const Mastodon::API::v1 &call, string &answer);
+    uint_fast16_t get(const Mastodon::API::v1 &call, string &answer);
 
     /*!
      *  @brief  Make a GET request which requires parameters.
@@ -508,18 +508,18 @@ public:
      *  @return @ref error "Error code". If the URL has permanently changed, 13
      *  is returned and answer is set to the new URL.
      */
-    const uint_fast16_t get(const Mastodon::API::v1 &call,
-                            const parametermap &parameters,
-                            string &answer);
+    uint_fast16_t get(const Mastodon::API::v1 &call,
+                      const parametermap &parameters,
+                      string &answer);
 
     /*!
      *  @brief  Make a GET request which requires parameters.
      *
      *  @since  0.16.0
      */
-    const uint_fast16_t get(const Mastodon::API::v2 &call,
-                            const parametermap &parameters,
-                            string &answer);
+    uint_fast16_t get(const Mastodon::API::v2 &call,
+                      const parametermap &parameters,
+                      string &answer);
 
     /*!
      *  @brief  Make a custom GET request.
@@ -533,20 +533,20 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t get(const string &call, string &answer);
+    uint_fast16_t get(const string &call, string &answer);
 
     [[deprecated("Will vanish in 1.0.0, use get() without string argument "
                  "instead.")]]
-    const uint_fast16_t get(const Mastodon::API::v1 &call,
-                            const string &argument,
-                            string &answer);
+    uint_fast16_t get(const Mastodon::API::v1 &call,
+                      const string &argument,
+                      string &answer);
 
     [[deprecated("Will vanish in 1.0.0, use get() without string argument "
                  "instead.")]]
-    const uint_fast16_t get(const Mastodon::API::v1 &call,
-                            const string &argument,
-                            const parametermap &parameters,
-                            string &answer);
+    uint_fast16_t get(const Mastodon::API::v1 &call,
+                      const string &argument,
+                      const parametermap &parameters,
+                      string &answer);
 
     /*!
      *  @brief  Make a streaming GET request.
@@ -562,10 +562,10 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t get_stream(const Mastodon::API::v1 &call,
-                                   const parametermap &parameters,
-                                   string &answer,
-                                   std::unique_ptr<Mastodon::API::http> &ptr);
+    uint_fast16_t get_stream(const Mastodon::API::v1 &call,
+                             const parametermap &parameters,
+                             string &answer,
+                             std::unique_ptr<Mastodon::API::http> &ptr);
 
     /*!
      *  @brief  Make a streaming GET request.
@@ -580,9 +580,9 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t get_stream(const Mastodon::API::v1 &call,
-                                   string &answer,
-                                   std::unique_ptr<Mastodon::API::http> &ptr);
+    uint_fast16_t get_stream(const Mastodon::API::v1 &call,
+                             string &answer,
+                             std::unique_ptr<Mastodon::API::http> &ptr);
 
     /*!
      *  @brief  Make a streaming GET request.
@@ -598,16 +598,16 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t get_stream(const string &call,
-                                   string &answer,
-                                   std::unique_ptr<Mastodon::API::http> &ptr);
+    uint_fast16_t get_stream(const string &call,
+                             string &answer,
+                             std::unique_ptr<Mastodon::API::http> &ptr);
 
     [[deprecated("Will vanish in 1.0.0, use get_stream() without string "
                  "argument instead.")]]
-    const uint_fast16_t get_stream(const Mastodon::API::v1 &call,
-                                   const string &argument,
-                                   string &answer,
-                                   std::unique_ptr<Mastodon::API::http> &ptr);
+    uint_fast16_t get_stream(const Mastodon::API::v1 &call,
+                             const string &argument,
+                             string &answer,
+                             std::unique_ptr<Mastodon::API::http> &ptr);
 
     /*!
      *  @brief  Make a PATCH request.
@@ -624,9 +624,9 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t patch(const Mastodon::API::v1 &call,
-                              const parametermap &parameters,
-                              string &answer);
+    uint_fast16_t patch(const Mastodon::API::v1 &call,
+                        const parametermap &parameters,
+                        string &answer);
 
     /*!
      *  @brief  Make a POST request which doesn't require parameters.
@@ -640,7 +640,7 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t post(const Mastodon::API::v1 &call, string &answer);
+    uint_fast16_t post(const Mastodon::API::v1 &call, string &answer);
 
     /*!
      *  @brief  Make a POST request which requires parameters.
@@ -657,9 +657,9 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t post(const Mastodon::API::v1 &call,
-                             const parametermap &parameters,
-                             string &answer);
+     uint_fast16_t post(const Mastodon::API::v1 &call,
+                        const parametermap &parameters,
+                        string &answer);
 
     /*!
      *  @brief  Make a custom POST request.
@@ -676,22 +676,22 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t post(const string &call,
-                             const parametermap &parameters,
-                             string &answer);
+     uint_fast16_t post(const string &call,
+                        const parametermap &parameters,
+                        string &answer);
 
     [[deprecated("Will vanish in 1.0.0, use post() without string argument "
                  "instead.")]]
-    const uint_fast16_t post(const Mastodon::API::v1 &call,
-                             const string &argument,
-                             string &answer);
+     uint_fast16_t post(const Mastodon::API::v1 &call,
+                        const string &argument,
+                        string &answer);
 
     [[deprecated("Will vanish in 1.0.0, use post() without string argument "
                  "instead.")]]
-    const uint_fast16_t post(const Mastodon::API::v1 &call,
-                             const string &argument,
-                             const parametermap &parameters,
-                             string &answer);
+     uint_fast16_t post(const Mastodon::API::v1 &call,
+                        const string &argument,
+                        const parametermap &parameters,
+                        string &answer);
 
     /*!
      *  @brief  Make a PUT request which requires a parameters.
@@ -707,9 +707,9 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t put(const Mastodon::API::v1 &call,
-                            const parametermap &parameters,
-                            string &answer);
+    uint_fast16_t put(const Mastodon::API::v1 &call,
+                      const parametermap &parameters,
+                      string &answer);
 
     /*!
      *  @brief  Make a custom PUT request.
@@ -725,16 +725,16 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t put(const string &call,
+    uint_fast16_t put(const string &call,
                             const parametermap &parameters,
                             string &answer);
 
     [[deprecated("Will vanish in 1.0.0, use put() without string argument "
                  "instead.")]]
-    const uint_fast16_t put(const Mastodon::API::v1 &call,
-                            const string &argument,
-                            const parametermap &parameters,
-                            string &answer);
+    uint_fast16_t put(const Mastodon::API::v1 &call,
+                      const string &argument,
+                      const parametermap &parameters,
+                      string &answer);
 
     /*!
      *  @brief  Make a DELETE request which requires parameters.
@@ -746,8 +746,8 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t del(const Mastodon::API::v1 &call,
-                            const parametermap &parameters);
+    uint_fast16_t del(const Mastodon::API::v1 &call,
+                      const parametermap &parameters);
 
     /*!
      *  @brief  Make a custom DELETE request.
@@ -762,20 +762,20 @@ public:
      *  
      *  @since  before 0.11.0
      */
-    const uint_fast16_t del(const string &call,
-                            const parametermap &parameters,
-                            string &answer);
+    uint_fast16_t del(const string &call,
+                      const parametermap &parameters,
+                      string &answer);
 
     [[deprecated("Will vanish in 1.0.0, use del() without string argument "
                  "instead.")]]
-    const uint_fast16_t del(const Mastodon::API::v1 &call,
-                            const string &argument);
+    uint_fast16_t del(const Mastodon::API::v1 &call,
+                      const string &argument);
 
     [[deprecated("Will vanish in 1.0.0, use del() without string argument "
                  "instead.")]]
-    const uint_fast16_t del(const Mastodon::API::v1 &call,
-                            const string &argument,
-                            const parametermap &parameters);
+    uint_fast16_t del(const Mastodon::API::v1 &call,
+                      const string &argument,
+                      const parametermap &parameters);
 
 private:
     const string _instance;