diff --git a/pkgs/development/compilers/chicken/5/chicken.nix b/pkgs/development/compilers/chicken/5/chicken.nix
index 53b4cc9024d5..6d9563b9f662 100644
--- a/pkgs/development/compilers/chicken/5/chicken.nix
+++ b/pkgs/development/compilers/chicken/5/chicken.nix
@@ -27,9 +27,6 @@ stdenv.mkDerivation (finalAttrs: {
 
   setupHook = lib.optional (bootstrap-chicken != null) ./setup-hook.sh;
 
-  # -fno-strict-overflow is not a supported argument in clang
-  hardeningDisable = lib.optionals stdenv.cc.isClang [ "strictoverflow" ];
-
   makeFlags = [
     "PLATFORM=${platform}"
     "PREFIX=$(out)"