diff --git a/pkgs/development/libraries/libxcrypt/default.nix b/pkgs/development/libraries/libxcrypt/default.nix
index c648cc46383a..056a2cbd946a 100644
--- a/pkgs/development/libraries/libxcrypt/default.nix
+++ b/pkgs/development/libraries/libxcrypt/default.nix
@@ -2,7 +2,6 @@
   lib,
   stdenv,
   fetchurl,
-  fetchpatch,
   perl,
   # Update the enabled crypt scheme ids in passthru when the enabled hashes change
   enableHashes ? "strong",
@@ -62,6 +61,8 @@ stdenv.mkDerivation (finalAttrs: {
     perl
   ];
 
+  strictDeps = true;
+
   enableParallelBuilding = true;
 
   doCheck = true;