diff --git a/lib/libc/secure/stack_protector.c b/lib/libc/secure/stack_protector.c
index 15460278502d..7ddd6338ec55 100644
--- a/lib/libc/secure/stack_protector.c
+++ b/lib/libc/secure/stack_protector.c
@@ -64,9 +64,9 @@ extern int __sysctl(const int *name, u_int namelen, void *oldp,
 
 long __stack_chk_guard[8] = {0, 0, 0, 0, 0, 0, 0, 0};
 static void __guard_setup(void) _GUARD_SETUP_CTOR_ATTR;
-static void __fail(const char *);
-void __stack_chk_fail(void);
-void __chk_fail(void);
+static void __fail(const char *) __dead2;
+void __stack_chk_fail(void) __dead2;
+void __chk_fail(void) __dead2;
 
 /*LINTED used*/
 static void