diff --git a/glm/detail/setup.hpp b/glm/detail/setup.hpp
index 174ba2ad..d815ea6e 100644
--- a/glm/detail/setup.hpp
+++ b/glm/detail/setup.hpp
@@ -803,7 +803,7 @@
 #	define GLM_HAS_BITSCAN_WINDOWS 0
 #else
 #	define GLM_HAS_BITSCAN_WINDOWS ((GLM_PLATFORM & GLM_PLATFORM_WINDOWS) && (\
-		(GLM_COMPILER & (GLM_COMPILER_VC | GLM_COMPILER_LLVM | GLM_COMPILER_INTEL))))
+		(GLM_COMPILER & (GLM_COMPILER_VC | GLM_COMPILER_INTEL))))
 #endif
 
 // OpenMP