Index: tpm2-tools-3.0.3/configure.ac
===================================================================
--- tpm2-tools-3.0.3.orig/configure.ac
+++ tpm2-tools-3.0.3/configure.ac
@@ -130,10 +130,8 @@ AS_IF([test x"$hardening" != x"no"], [
 
   add_hardened_c_flag([-Wformat])
   add_hardened_c_flag([-Wformat-security])
-  add_hardened_c_flag([-Wstack-protector])
   add_hardened_c_flag([-fstack-protector-all])
 
-  add_hardened_define_flag([-U_FORTIFY_SOURCE])
   add_hardened_define_flag([-D_FORTIFY_SOURCE=2])
 
   add_hardened_c_flag([-fPIC])