diff --git a/pkgs/development/tools/analysis/radare/default.nix b/pkgs/development/tools/analysis/radare/default.nix
index 3c83f0e9d49..8324d899147 100644
--- a/pkgs/development/tools/analysis/radare/default.nix
+++ b/pkgs/development/tools/analysis/radare/default.nix
@@ -8,8 +8,8 @@ assert useX11 -> (gtk != null && vte != null && gtkdialog != null);
 assert rubyBindings -> ruby != null;
 assert pythonBindings -> python != null;
 
-let 
-  optional = stdenv.lib.optional;
+let
+  inherit (stdenv.lib) optional;
 in
 stdenv.mkDerivation rec {
   name = "radare-1.5.2";
@@ -19,6 +19,7 @@ stdenv.mkDerivation rec {
     sha256 = "1qdrmcnzfvfvqb27c7pknwm8jl2hqa6c4l66wzyddwlb8yjm46hd";
   };
 
+  hardening_format = false;
 
   buildInputs = [pkgconfig readline libusb perl]
     ++ optional useX11 [gtkdialog vte gtk]