diff --git a/src/libs/compat/freebsd_network/compat/sys/cdefs.h b/src/libs/compat/freebsd_network/compat/sys/cdefs.h
index 6873e4d443..3f9fbbb77c 100644
--- a/src/libs/compat/freebsd_network/compat/sys/cdefs.h
+++ b/src/libs/compat/freebsd_network/compat/sys/cdefs.h
@@ -235,14 +235,14 @@
 #define	__aligned(x)	__attribute__((__aligned__(x)))
 #define	__section(x)	__attribute__((__section__(x)))
 #endif
-#if __GNUC_PREREQ__(4, 3) || __has_attribute(__alloc_size__)
+#if __GNUC_PREREQ__(4, 3)
 #define	__alloc_size(x)	__attribute__((__alloc_size__(x)))
 #define	__alloc_size2(n, x)	__attribute__((__alloc_size__(n, x)))
 #else
 #define	__alloc_size(x)
 #define	__alloc_size2(n, x)
 #endif
-#if __GNUC_PREREQ__(4, 9) || __has_attribute(__alloc_align__)
+#if __GNUC_PREREQ__(4, 9)
 #define	__alloc_align(x)	__attribute__((__alloc_align__(x)))
 #else
 #define	__alloc_align(x)