diff --git a/pkgs/development/libraries/libunistring/default.nix b/pkgs/development/libraries/libunistring/default.nix
index c0c8c61e64d7..74a0d3957347 100644
--- a/pkgs/development/libraries/libunistring/default.nix
+++ b/pkgs/development/libraries/libunistring/default.nix
@@ -5,7 +5,6 @@
   libiconv,
   libiconvReal,
   updateAutotoolsGnuConfigScriptsHook,
-  darwin,
 }@args:
 
 let