diff --git a/src/MagnumExternal/OpenGL/GLES3/extensions.txt b/src/MagnumExternal/OpenGL/GLES3/extensions.txt
index 8185431be..99c57a7c3 100644
--- a/src/MagnumExternal/OpenGL/GLES3/extensions.txt
+++ b/src/MagnumExternal/OpenGL/GLES3/extensions.txt
@@ -17,7 +17,6 @@ extension EXT_texture_border_clamp                  optional
 extension EXT_texture_buffer                        optional
 extension EXT_texture_cube_map_array                optional
 extension EXT_primitive_bounding_box                optional
-extension EXT_texture_norm16                        optional
 # extension KHR_texture_compression_astc_ldr        optional
 extension KHR_debug                                 optional
 extension KHR_blend_equation_advanced               optional
@@ -57,6 +56,7 @@ extension EXT_sRGB_write_control                    optional
 extension EXT_texture_compression_s3tc              optional
 extension EXT_pvrtc_sRGB                            optional
 extension EXT_shader_integer_mix                    optional
+extension EXT_texture_norm16                        optional
 extension EXT_texture_sRGB_R8                       optional
 extension EXT_texture_sRGB_RG8                      optional
 extension EXT_polygon_offset_clamp                  optional
diff --git a/src/MagnumExternal/OpenGL/GLES3/flextGL.h b/src/MagnumExternal/OpenGL/GLES3/flextGL.h
index 68349f21d..f1a6a212a 100644
--- a/src/MagnumExternal/OpenGL/GLES3/flextGL.h
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGL.h
@@ -1305,17 +1305,6 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
 
 #define GL_PRIMITIVE_BOUNDING_BOX_EXT 0x92BE
 
-/* GL_EXT_texture_norm16 */
-
-#define GL_R16_EXT 0x822A
-#define GL_RG16_EXT 0x822C
-#define GL_RGBA16_EXT 0x805B
-#define GL_RGB16_EXT 0x8054
-#define GL_R16_SNORM_EXT 0x8F98
-#define GL_RG16_SNORM_EXT 0x8F99
-#define GL_RGB16_SNORM_EXT 0x8F9A
-#define GL_RGBA16_SNORM_EXT 0x8F9B
-
 /* GL_KHR_debug */
 
 #define GL_DEBUG_OUTPUT_SYNCHRONOUS_KHR 0x8242
@@ -1567,6 +1556,17 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
 #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG 0x93F0
 #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV2_IMG 0x93F1
 
+/* GL_EXT_texture_norm16 */
+
+#define GL_R16_EXT 0x822A
+#define GL_RG16_EXT 0x822C
+#define GL_RGBA16_EXT 0x805B
+#define GL_RGB16_EXT 0x8054
+#define GL_R16_SNORM_EXT 0x8F98
+#define GL_RG16_SNORM_EXT 0x8F99
+#define GL_RGB16_SNORM_EXT 0x8F9A
+#define GL_RGBA16_SNORM_EXT 0x8F9B
+
 /* GL_EXT_texture_sRGB_R8 */
 
 #define GL_SR8_EXT 0x8FBD
diff --git a/src/MagnumExternal/OpenGL/GLES3/flextGLWindowsDesktop.h b/src/MagnumExternal/OpenGL/GLES3/flextGLWindowsDesktop.h
index e6ec050ee..9ea6b5537 100644
--- a/src/MagnumExternal/OpenGL/GLES3/flextGLWindowsDesktop.h
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGLWindowsDesktop.h
@@ -1297,17 +1297,6 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
 
 #define GL_PRIMITIVE_BOUNDING_BOX_EXT 0x92BE
 
-/* GL_EXT_texture_norm16 */
-
-#define GL_R16_EXT 0x822A
-#define GL_RG16_EXT 0x822C
-#define GL_RGBA16_EXT 0x805B
-#define GL_RGB16_EXT 0x8054
-#define GL_R16_SNORM_EXT 0x8F98
-#define GL_RG16_SNORM_EXT 0x8F99
-#define GL_RGB16_SNORM_EXT 0x8F9A
-#define GL_RGBA16_SNORM_EXT 0x8F9B
-
 /* GL_KHR_debug */
 
 #define GL_DEBUG_OUTPUT_SYNCHRONOUS_KHR 0x8242
@@ -1559,6 +1548,17 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
 #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG 0x93F0
 #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV2_IMG 0x93F1
 
+/* GL_EXT_texture_norm16 */
+
+#define GL_R16_EXT 0x822A
+#define GL_RG16_EXT 0x822C
+#define GL_RGBA16_EXT 0x805B
+#define GL_RGB16_EXT 0x8054
+#define GL_R16_SNORM_EXT 0x8F98
+#define GL_RG16_SNORM_EXT 0x8F99
+#define GL_RGB16_SNORM_EXT 0x8F9A
+#define GL_RGBA16_SNORM_EXT 0x8F9B
+
 /* GL_EXT_texture_sRGB_R8 */
 
 #define GL_SR8_EXT 0x8FBD