diff --git a/glm/core/setup.hpp b/glm/core/setup.hpp
index b6dcdfbe..25b4212b 100644
--- a/glm/core/setup.hpp
+++ b/glm/core/setup.hpp
@@ -133,8 +133,6 @@
 
 // GCC defines
 #define GLM_COMPILER_GCC			0x02000000
-#define GLM_COMPILER_GCC_LLVM		0x02000001
-#define GLM_COMPILER_GCC_CLANG		0x02000002
 #define GLM_COMPILER_GCC34			0x02000050
 #define GLM_COMPILER_GCC35			0x02000060
 #define GLM_COMPILER_GCC40			0x02000070