diff --git a/doc/opengl-support.dox b/doc/opengl-support.dox
index 0b7112fa0..d8b11b63a 100644
--- a/doc/opengl-support.dox
+++ b/doc/opengl-support.dox
@@ -302,6 +302,7 @@ Extension                                   | Status
 @es_extension{EXT,occlusion_query_boolean}  | done
 @es_extension{EXT,shadow_samplers}          | done
 @es_extension{EXT,texture_rg}               | done
+@es_extension{EXT,sRGB}                     | done
 @es_extension{EXT,texture_storage}          | done
 @es_extension{EXT,map_buffer_range}         | done
 @es_extension{EXT,draw_buffers}             | done
@@ -350,7 +351,6 @@ Extension                                   | Status
 @es_extension{EXT,debug_label}              | see above
 @es_extension{EXT,debug_marker}             | done
 @es_extension{EXT,separate_shader_objects}  | only direct uniform binding
-@es_extension{EXT,sRGB}                     | done
 @es_extension{EXT,multisampled_render_to_texture} | only renderbuffer storage
 @es_extension{EXT,robustness}               | done
 @es_extension{EXT,disjoint_timer_query}     | only time elapsed query
diff --git a/src/Magnum/AbstractTexture.cpp b/src/Magnum/AbstractTexture.cpp
index fdb78e83a..ef51ea943 100644
--- a/src/Magnum/AbstractTexture.cpp
+++ b/src/Magnum/AbstractTexture.cpp
@@ -552,7 +552,9 @@ ColorFormat AbstractTexture::imageFormatForInternalFormat(const TextureFormat in
         case TextureFormat::R11FG11FB10F:
         case TextureFormat::RGB9E5:
         #endif
+        #if !defined(MAGNUM_TARGET_GLES) || defined(MAGNUM_TARGET_GLES2)
         case TextureFormat::SRGB:
+        #endif
         #ifndef MAGNUM_TARGET_GLES2
         case TextureFormat::SRGB8:
         #endif
@@ -599,7 +601,9 @@ ColorFormat AbstractTexture::imageFormatForInternalFormat(const TextureFormat in
         #ifndef MAGNUM_TARGET_GLES
         case TextureFormat::RGBA12:
         #endif
+        #if !defined(MAGNUM_TARGET_GLES) || defined(MAGNUM_TARGET_GLES2)
         case TextureFormat::SRGBAlpha:
+        #endif
         #ifndef MAGNUM_TARGET_GLES2
         case TextureFormat::SRGB8Alpha8:
         #endif
@@ -683,8 +687,10 @@ ColorType AbstractTexture::imageTypeForInternalFormat(const TextureFormat intern
         case TextureFormat::Luminance:
         case TextureFormat::LuminanceAlpha:
         #endif
+        #if !defined(MAGNUM_TARGET_GLES) || defined(MAGNUM_TARGET_GLES2)
         case TextureFormat::SRGB:
         case TextureFormat::SRGBAlpha:
+        #endif
         #ifndef MAGNUM_TARGET_GLES2
         case TextureFormat::SRGB8:
         case TextureFormat::SRGB8Alpha8:
diff --git a/src/Magnum/Context.cpp b/src/Magnum/Context.cpp
index a856c8587..6247d5be2 100644
--- a/src/Magnum/Context.cpp
+++ b/src/Magnum/Context.cpp
@@ -253,7 +253,6 @@ const std::vector<Extension>& Extension::extensions(Version version) {
         _extension(GL,EXT,disjoint_timer_query),
         _extension(GL,EXT,texture_sRGB_decode),
         _extension(GL,EXT,separate_shader_objects),
-        _extension(GL,EXT,sRGB),
         _extension(GL,EXT,multisampled_render_to_texture),
         _extension(GL,EXT,robustness),
         _extension(GL,KHR,texture_compression_astc_ldr),
@@ -287,6 +286,7 @@ const std::vector<Extension>& Extension::extensions(Version version) {
         _extension(GL,EXT,occlusion_query_boolean),
         _extension(GL,EXT,shadow_samplers),
         _extension(GL,EXT,texture_rg),
+        _extension(GL,EXT,sRGB),
         _extension(GL,EXT,texture_storage),
         _extension(GL,EXT,map_buffer_range),
         _extension(GL,EXT,draw_buffers),
diff --git a/src/Magnum/Extensions.h b/src/Magnum/Extensions.h
index d555844d5..147fcbc4e 100644
--- a/src/Magnum/Extensions.h
+++ b/src/Magnum/Extensions.h
@@ -310,8 +310,8 @@ namespace GL {
         #ifdef MAGNUM_TARGET_GLES2
         _extension(GL,EXT,shadow_samplers,          GLES200, GLES300) // #102
         _extension(GL,EXT,texture_rg,               GLES200, GLES300) // #103
+        _extension(GL,EXT,sRGB,                     GLES200, GLES300) // #105
         #endif
-        _extension(GL,EXT,sRGB,                     GLES200,    None) // #105
         _extension(GL,EXT,multisampled_render_to_texture, GLES200, None) // #106
         _extension(GL,EXT,robustness,               GLES200,    None) // #107
         #ifdef MAGNUM_TARGET_GLES2
diff --git a/src/Magnum/TextureFormat.h b/src/Magnum/TextureFormat.h
index 1e2c5b89d..0b847979d 100644
--- a/src/Magnum/TextureFormat.h
+++ b/src/Magnum/TextureFormat.h
@@ -694,21 +694,24 @@ enum class TextureFormat: GLenum {
     RGB9E5 = GL_RGB9_E5,
     #endif
 
+    #if !defined(MAGNUM_TARGET_GLES) || defined(MAGNUM_TARGET_GLES2)
     /**
      * sRGB, normalized unsigned, size implementation-dependent. Not allowed in
      * unemulated @ref Texture::setStorage() "*Texture::setStorage()" calls, in
      * that case use @ref TextureFormat::SRGB8 "TextureFormat::SRGB8" instead.
-     * @requires_es_extension Extension @es_extension{EXT,sRGB}
-     * @requires_webgl_extension Extension @webgl_extension{EXT,sRGB}
+     * @requires_es_extension Extension @es_extension{EXT,sRGB} in OpenGL ES 2.0.
+     *      Use @ref TextureFormat::SRGB8 in OpenGL ES 3.0 instead.
+     * @requires_webgl_extension Extension @webgl_extension{EXT,sRGB} in WebGL
+     *      1.0. Use @ref TextureFormat::SRGB8 in WebGL 2.0 instead.
      * @deprecated_gl Prefer to use the exactly specified version of this
      *      format, i.e. @ref TextureFormat::SRGB8.
-     * @todo is this allowed in core?
      */
     #ifndef MAGNUM_TARGET_GLES
     SRGB = GL_SRGB,
     #else
     SRGB = GL_SRGB_EXT,
     #endif
+    #endif
 
     #ifndef MAGNUM_TARGET_GLES2
     /**
@@ -785,21 +788,24 @@ enum class TextureFormat: GLenum {
     RGBA12 = GL_RGBA12,
     #endif
 
+    #if !defined(MAGNUM_TARGET_GLES) || defined(MAGNUM_TARGET_GLES2)
     /**
      * sRGBA, normalized unsigned, size implementation-dependent. Not allowed in
      * unemulated @ref Texture::setStorage() "*Texture::setStorage()" calls, in
      * that case use @ref TextureFormat::SRGB8Alpha8 "TextureFormat::SRGB8Alpha8" instead.
-     * @requires_es_extension Extension @es_extension{EXT,sRGB}
-     * @requires_webgl_extension Extension @webgl_extension{EXT,sRGB}
+     * @requires_es_extension Extension @es_extension{EXT,sRGB} in OpenGL ES
+     *      2.0. Use @ref TextureFormat::SRGB8Alpha8 in OpenGL ES 3.0 instead.
+     * @requires_webgl_extension Extension @webgl_extension{EXT,sRGB} in WebGL
+     *      1.0. Use @ref TextureFormat::SRGB8Alpha8 in WebGL 2.0 instead.
      * @deprecated_gl Prefer to use the exactly specified version of this
      *      format, i.e. @ref TextureFormat::SRGB8Alpha8.
-     * @todo is this allowed in core?
      */
     #ifndef MAGNUM_TARGET_GLES
     SRGBAlpha = GL_SRGB_ALPHA,
     #else
     SRGBAlpha = GL_SRGB_ALPHA_EXT,
     #endif
+    #endif
 
     #ifndef MAGNUM_TARGET_GLES2
     /**
diff --git a/src/MagnumExternal/OpenGL/GLES2/Emscripten/extensions.txt b/src/MagnumExternal/OpenGL/GLES2/Emscripten/extensions.txt
index bebe2e14c..315891b14 100644
--- a/src/MagnumExternal/OpenGL/GLES2/Emscripten/extensions.txt
+++ b/src/MagnumExternal/OpenGL/GLES2/Emscripten/extensions.txt
@@ -5,6 +5,7 @@ version 2.0 es
 extension ANGLE_instanced_arrays                optional
 extension EXT_blend_minmax                      optional
 extension EXT_shader_texture_lod                optional
+extension EXT_sRGB                              optional
 extension OES_element_index_uint                optional
 extension OES_texture_half_float_linear         optional
 extension OES_texture_float_linear              optional
@@ -17,4 +18,3 @@ extension ANGLE_depth_texture                   optional
 extension EXT_draw_buffers                      optional
 
 extension EXT_texture_filter_anisotropic        optional
-extension EXT_sRGB                              optional
diff --git a/src/MagnumExternal/OpenGL/GLES2/extensions.txt b/src/MagnumExternal/OpenGL/GLES2/extensions.txt
index 29b418d03..cd2c669c0 100644
--- a/src/MagnumExternal/OpenGL/GLES2/extensions.txt
+++ b/src/MagnumExternal/OpenGL/GLES2/extensions.txt
@@ -16,6 +16,7 @@ extension EXT_shader_texture_lod                optional
 extension EXT_occlusion_query_boolean           optional
 extension EXT_shadow_samplers                   optional
 extension EXT_texture_rg                        optional
+extension EXT_sRGB                              optional
 extension EXT_texture_storage                   optional
 extension EXT_map_buffer_range                  optional
 extension EXT_draw_buffers                      optional
@@ -56,7 +57,6 @@ extension EXT_debug_marker                      optional
 extension EXT_disjoint_timer_query              optional
 extension EXT_texture_sRGB_decode               optional
 extension EXT_separate_shader_objects           optional
-extension EXT_sRGB                              optional
 extension EXT_multisampled_render_to_texture    optional
 extension EXT_robustness                        optional
 extension KHR_debug                             optional
diff --git a/src/MagnumExternal/OpenGL/GLES2/flextGL.h b/src/MagnumExternal/OpenGL/GLES2/flextGL.h
index 2953dc805..45a205dad 100644
--- a/src/MagnumExternal/OpenGL/GLES2/flextGL.h
+++ b/src/MagnumExternal/OpenGL/GLES2/flextGL.h
@@ -468,6 +468,13 @@ typedef khronos_ssize_t GLsizeiptr;
 #define GL_R8_EXT 0x8229
 #define GL_RG8_EXT 0x822B
 
+/* GL_EXT_sRGB */
+
+#define GL_SRGB_EXT 0x8C40
+#define GL_SRGB_ALPHA_EXT 0x8C42
+#define GL_SRGB8_ALPHA8_EXT 0x8C43
+#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
+
 /* GL_EXT_texture_storage */
 
 #define GL_TEXTURE_IMMUTABLE_FORMAT_EXT 0x912F
@@ -762,13 +769,6 @@ typedef khronos_ssize_t GLsizeiptr;
 #define GL_ACTIVE_PROGRAM_EXT 0x8259
 #define GL_PROGRAM_PIPELINE_BINDING_EXT 0x825A
 
-/* GL_EXT_sRGB */
-
-#define GL_SRGB_EXT 0x8C40
-#define GL_SRGB_ALPHA_EXT 0x8C42
-#define GL_SRGB8_ALPHA8_EXT 0x8C43
-#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
-
 /* GL_EXT_multisampled_render_to_texture */
 
 #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT 0x8D6C
@@ -1116,6 +1116,9 @@ GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglGetQueryObjectuivEXT)(GLuint, GLenum,
 /* GL_EXT_texture_rg */
 
 
+/* GL_EXT_sRGB */
+
+
 /* GL_EXT_texture_storage */
 
 GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglTexStorage1DEXT)(GLenum, GLsizei, GLenum, GLsizei);
@@ -1407,9 +1410,6 @@ GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglProgramUniformMatrix3x4fvEXT)(GLuint,
 GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglProgramUniformMatrix4x3fvEXT)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *);
 #define glProgramUniformMatrix4x3fvEXT flextglProgramUniformMatrix4x3fvEXT
 
-/* GL_EXT_sRGB */
-
-
 /* GL_EXT_multisampled_render_to_texture */
 
 GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglRenderbufferStorageMultisampleEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei);
diff --git a/src/MagnumExternal/OpenGL/GLES2/flextGLEmscripten.h b/src/MagnumExternal/OpenGL/GLES2/flextGLEmscripten.h
index 1be76c68b..e96c50ca6 100644
--- a/src/MagnumExternal/OpenGL/GLES2/flextGLEmscripten.h
+++ b/src/MagnumExternal/OpenGL/GLES2/flextGLEmscripten.h
@@ -370,6 +370,13 @@ typedef khronos_ssize_t GLsizeiptr;
 #define GL_FUNC_ADD_EXT 0x8006
 #define GL_BLEND_EQUATION_EXT 0x8009
 
+/* GL_EXT_sRGB */
+
+#define GL_SRGB_EXT 0x8C40
+#define GL_SRGB_ALPHA_EXT 0x8C42
+#define GL_SRGB8_ALPHA8_EXT 0x8C43
+#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
+
 /* GL_OES_element_index_uint */
 
 #define GL_UNSIGNED_INT 0x1405
@@ -443,13 +450,6 @@ typedef khronos_ssize_t GLsizeiptr;
 #define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
 #define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
 
-/* GL_EXT_sRGB */
-
-#define GL_SRGB_EXT 0x8C40
-#define GL_SRGB_ALPHA_EXT 0x8C42
-#define GL_SRGB8_ALPHA8_EXT 0x8C43
-#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
-
 /* Function prototypes */
 
 /* GL_ES_VERSION_2_0 */
@@ -610,6 +610,9 @@ GLAPI void glBlendEquationEXT(GLenum);
 /* GL_EXT_shader_texture_lod */
 
 
+/* GL_EXT_sRGB */
+
+
 /* GL_OES_element_index_uint */
 
 
@@ -645,9 +648,6 @@ GLAPI void glDrawBuffersEXT(GLsizei, const GLenum *);
 /* GL_EXT_texture_filter_anisotropic */
 
 
-/* GL_EXT_sRGB */
-
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/MagnumExternal/OpenGL/GLES2/flextGLNaCl.h b/src/MagnumExternal/OpenGL/GLES2/flextGLNaCl.h
index 8bcba8b29..7bceb0ae1 100644
--- a/src/MagnumExternal/OpenGL/GLES2/flextGLNaCl.h
+++ b/src/MagnumExternal/OpenGL/GLES2/flextGLNaCl.h
@@ -443,6 +443,13 @@ typedef khronos_ssize_t GLsizeiptr;
 #define GL_R8_EXT 0x8229
 #define GL_RG8_EXT 0x822B
 
+/* GL_EXT_sRGB */
+
+#define GL_SRGB_EXT 0x8C40
+#define GL_SRGB_ALPHA_EXT 0x8C42
+#define GL_SRGB8_ALPHA8_EXT 0x8C43
+#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
+
 /* GL_EXT_texture_storage */
 
 #define GL_TEXTURE_IMMUTABLE_FORMAT_EXT 0x912F
@@ -737,13 +744,6 @@ typedef khronos_ssize_t GLsizeiptr;
 #define GL_ACTIVE_PROGRAM_EXT 0x8259
 #define GL_PROGRAM_PIPELINE_BINDING_EXT 0x825A
 
-/* GL_EXT_sRGB */
-
-#define GL_SRGB_EXT 0x8C40
-#define GL_SRGB_ALPHA_EXT 0x8C42
-#define GL_SRGB8_ALPHA8_EXT 0x8C43
-#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
-
 /* GL_EXT_multisampled_render_to_texture */
 
 #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT 0x8D6C
@@ -1263,6 +1263,11 @@ GL_APICALL void GL_APIENTRY GLES2GetQueryObjectuivEXT(GLuint, GLenum, GLuint *);
 #define GL_EXT_texture_rg 1
 #endif
 
+/* GL_EXT_sRGB */
+#ifndef GL_EXT_sRGB
+#define GL_EXT_sRGB 1
+#endif
+
 /* GL_EXT_texture_storage */
 #ifndef GL_EXT_texture_storage
 #define GL_EXT_texture_storage 1
@@ -1632,11 +1637,6 @@ GL_APICALL void GL_APIENTRY GLES2ProgramUniformMatrix4x3fvEXT(GLuint, GLint, GLs
 #define glProgramUniformMatrix4x3fvEXT GLES2ProgramUniformMatrix4x3fvEXT
 #endif
 
-/* GL_EXT_sRGB */
-#ifndef GL_EXT_sRGB
-#define GL_EXT_sRGB 1
-#endif
-
 /* GL_EXT_multisampled_render_to_texture */
 #ifndef GL_EXT_multisampled_render_to_texture
 #define GL_EXT_multisampled_render_to_texture 1
diff --git a/src/MagnumExternal/OpenGL/GLES2/flextGLPlatform.cpp b/src/MagnumExternal/OpenGL/GLES2/flextGLPlatform.cpp
index d47d80113..65dd22e3e 100644
--- a/src/MagnumExternal/OpenGL/GLES2/flextGLPlatform.cpp
+++ b/src/MagnumExternal/OpenGL/GLES2/flextGLPlatform.cpp
@@ -52,6 +52,8 @@ void flextGLInit() {
 
     /* GL_EXT_texture_rg */
 
+    /* GL_EXT_sRGB */
+
     /* GL_EXT_texture_storage */
     flextglTexStorage1DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei)>(loader.load("glTexStorage1DEXT"));
     flextglTexStorage2DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei)>(loader.load("glTexStorage2DEXT"));
@@ -217,8 +219,6 @@ void flextGLInit() {
     flextglProgramUniformMatrix3x4fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(loader.load("glProgramUniformMatrix3x4fvEXT"));
     flextglProgramUniformMatrix4x3fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(loader.load("glProgramUniformMatrix4x3fvEXT"));
 
-    /* GL_EXT_sRGB */
-
     /* GL_EXT_multisampled_render_to_texture */
     flextglRenderbufferStorageMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei)>(loader.load("glRenderbufferStorageMultisampleEXT"));
     flextglFramebufferTexture2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLenum, GLuint, GLint, GLsizei)>(loader.load("glFramebufferTexture2DMultisampleEXT"));
diff --git a/src/MagnumExternal/OpenGL/GLES3/Emscripten/extensions.txt b/src/MagnumExternal/OpenGL/GLES3/Emscripten/extensions.txt
index a0e57d098..7d6ad2580 100644
--- a/src/MagnumExternal/OpenGL/GLES3/Emscripten/extensions.txt
+++ b/src/MagnumExternal/OpenGL/GLES3/Emscripten/extensions.txt
@@ -3,4 +3,3 @@
 version 3.0 es
 
 extension EXT_texture_filter_anisotropic        optional
-extension EXT_sRGB                              optional
diff --git a/src/MagnumExternal/OpenGL/GLES3/extensions.txt b/src/MagnumExternal/OpenGL/GLES3/extensions.txt
index 5f4595a25..be21c509a 100644
--- a/src/MagnumExternal/OpenGL/GLES3/extensions.txt
+++ b/src/MagnumExternal/OpenGL/GLES3/extensions.txt
@@ -12,7 +12,6 @@ extension EXT_debug_marker                      optional
 extension EXT_disjoint_timer_query              optional
 extension EXT_texture_sRGB_decode               optional
 extension EXT_separate_shader_objects           optional
-extension EXT_sRGB                              optional
 extension EXT_multisampled_render_to_texture    optional
 extension EXT_robustness                        optional
 extension KHR_debug                             optional
diff --git a/src/MagnumExternal/OpenGL/GLES3/flextGL.h b/src/MagnumExternal/OpenGL/GLES3/flextGL.h
index 738a58b6c..437812e84 100644
--- a/src/MagnumExternal/OpenGL/GLES3/flextGL.h
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGL.h
@@ -953,13 +953,6 @@ typedef khronos_ssize_t GLsizeiptr;
 #define GL_ACTIVE_PROGRAM_EXT 0x8259
 #define GL_PROGRAM_PIPELINE_BINDING_EXT 0x825A
 
-/* GL_EXT_sRGB */
-
-#define GL_SRGB_EXT 0x8C40
-#define GL_SRGB_ALPHA_EXT 0x8C42
-#define GL_SRGB8_ALPHA8_EXT 0x8C43
-#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
-
 /* GL_EXT_multisampled_render_to_texture */
 
 #define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT 0x8D6C
@@ -1639,9 +1632,6 @@ GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglProgramUniformMatrix3x4fvEXT)(GLuint,
 GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglProgramUniformMatrix4x3fvEXT)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *);
 #define glProgramUniformMatrix4x3fvEXT flextglProgramUniformMatrix4x3fvEXT
 
-/* GL_EXT_sRGB */
-
-
 /* GL_EXT_multisampled_render_to_texture */
 
 GLAPI FLEXTGL_EXPORT void(APIENTRY *flextglRenderbufferStorageMultisampleEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei);
diff --git a/src/MagnumExternal/OpenGL/GLES3/flextGLEmscripten.h b/src/MagnumExternal/OpenGL/GLES3/flextGLEmscripten.h
index 8952bb66b..62e15f4f5 100644
--- a/src/MagnumExternal/OpenGL/GLES3/flextGLEmscripten.h
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGLEmscripten.h
@@ -694,13 +694,6 @@ typedef khronos_ssize_t GLsizeiptr;
 #define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
 #define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
 
-/* GL_EXT_sRGB */
-
-#define GL_SRGB_EXT 0x8C40
-#define GL_SRGB_ALPHA_EXT 0x8C42
-#define GL_SRGB8_ALPHA8_EXT 0x8C43
-#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210
-
 /* Function prototypes */
 
 /* GL_ES_VERSION_2_0 */
@@ -958,9 +951,6 @@ GLAPI void glGetInternalformativ(GLenum, GLenum, GLenum, GLsizei, GLint *);
 /* GL_EXT_texture_filter_anisotropic */
 
 
-/* GL_EXT_sRGB */
-
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/MagnumExternal/OpenGL/GLES3/flextGLPlatform.cpp b/src/MagnumExternal/OpenGL/GLES3/flextGLPlatform.cpp
index eb13711c8..6e618bb1f 100644
--- a/src/MagnumExternal/OpenGL/GLES3/flextGLPlatform.cpp
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGLPlatform.cpp
@@ -163,8 +163,6 @@ void flextGLInit() {
     flextglProgramUniformMatrix3x4fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(loader.load("glProgramUniformMatrix3x4fvEXT"));
     flextglProgramUniformMatrix4x3fvEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLboolean, const GLfloat *)>(loader.load("glProgramUniformMatrix4x3fvEXT"));
 
-    /* GL_EXT_sRGB */
-
     /* GL_EXT_multisampled_render_to_texture */
     flextglRenderbufferStorageMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei)>(loader.load("glRenderbufferStorageMultisampleEXT"));
     flextglFramebufferTexture2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLenum, GLuint, GLint, GLsizei)>(loader.load("glFramebufferTexture2DMultisampleEXT"));