diff --git a/libclc/clc/include/clc/clcfunc.h b/libclc/clc/include/clc/clcfunc.h
index e07bcd0af0ebe..6c95a07b1c184 100644
--- a/libclc/clc/include/clc/clcfunc.h
+++ b/libclc/clc/include/clc/clcfunc.h
@@ -18,9 +18,4 @@
 #define _CLC_DEF __attribute__((always_inline))
 #endif
 
-#define _CLC_INLINE __attribute__((always_inline)) inline
-#define _CLC_CONVERGENT __attribute__((convergent))
-#define _CLC_PURE __attribute__((pure))
-#define _CLC_CONSTFN __attribute__((const))
-
 #endif // __CLC_CLCFUNC_H_