diff --git a/include/mt_opengl.h b/include/mt_opengl.h
index 9a4cec44..e7876cf9 100755
--- a/include/mt_opengl.h
+++ b/include/mt_opengl.h
@@ -3148,10 +3148,7 @@ public:
 
 	static constexpr const GLenum ZERO = 0;
 	static constexpr const GLenum ONE = 1;
-	static constexpr const GLenum FALSE = 0;
-	static constexpr const GLenum TRUE = 1;
 	static constexpr const GLenum NONE = 0;
-	static constexpr const GLenum NO_ERROR = 0;
 };
 
 //Global GL procedures object.
diff --git a/scripts/BindingGenerator.lua b/scripts/BindingGenerator.lua
index 624c21c6..0774cdd6 100755
--- a/scripts/BindingGenerator.lua
+++ b/scripts/BindingGenerator.lua
@@ -400,10 +400,7 @@ f:write( "\n\n" );
 f:write[[
 	static constexpr const GLenum ZERO = 0;
 	static constexpr const GLenum ONE = 1;
-	static constexpr const GLenum FALSE = 0;
-	static constexpr const GLenum TRUE = 1;
 	static constexpr const GLenum NONE = 0;
-	static constexpr const GLenum NO_ERROR = 0;
 ]];
 f:write( "};\n" );
 f:write( "\n//Global GL procedures object.\n" );