diff --git a/configure.ac b/configure.ac
index 2d6b61a4..f89b0a34 100644
--- a/configure.ac
+++ b/configure.ac
@@ -77,12 +77,6 @@ AS_CXX_COMPILER_FLAG([-fno-rtti],           [COMMON_CFLAGS="$COMMON_CFLAGS -fno-
 
 AS_CXX_COMPILER_FLAG([-ggdb],               [COMMON_CFLAGS="$COMMON_CFLAGS -ggdb"])
 
-##
-## Assistance
-AS_CXX_COMPILER_FLAG([-Wsuggest-attribute=pure],   [COMMON_CFLAGS="$COMMON_CFLAGS -Wsuggest-attribute=pure"])
-AS_CXX_COMPILER_FLAG([-Wsuggest-attribute=const],  [COMMON_CFLAGS="$COMMON_CFLAGS -Wsuggest-attribute=const"])
-AS_CXX_COMPILER_FLAG([-Wsuggest-attribute=return], [COMMON_CFLAGS="$COMMON_CFLAGS -Wsuggest-attribute=return"])
-
 ##
 ## Compiler features
 AC_C_CONST