diff --git a/c/src/lib/libcpu/powerpc/shared/src/cache_.h b/c/src/lib/libcpu/powerpc/shared/src/cache_.h
index da643d686a..4d335b6128 100644
--- a/c/src/lib/libcpu/powerpc/shared/src/cache_.h
+++ b/c/src/lib/libcpu/powerpc/shared/src/cache_.h
@@ -200,8 +200,6 @@ static inline void _CPU_cache_disable_instruction(void)
 
 #else
 
-#warning Most cache functions are not implemented
-
 static inline void _CPU_cache_flush_entire_data(void)
 {
 	/* Void */