diff --git a/pkgs/tools/graphics/pngcheck/default.nix b/pkgs/tools/graphics/pngcheck/default.nix
index 160badaf668b..f67e7202521b 100644
--- a/pkgs/tools/graphics/pngcheck/default.nix
+++ b/pkgs/tools/graphics/pngcheck/default.nix
@@ -8,9 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0pzkj1bb4kdybk6vbfq9s0wzdm5szmrgixkas3xmbpv4mhws1w3p";
   };
 
-  # configurePhase = ''
-  #   sed -i s,/usr,$out, Makefile
-  # '';
+  hardening_format = false;
 
   makefile = "Makefile.unx";
   makeFlags = "ZPATH=${zlib}/lib";