diff --git a/pkgs/applications/editors/vim/macvim.nix b/pkgs/applications/editors/vim/macvim.nix
index 2005eef7b6fe..23aa24ff9b6d 100644
--- a/pkgs/applications/editors/vim/macvim.nix
+++ b/pkgs/applications/editors/vim/macvim.nix
@@ -139,7 +139,6 @@ stdenv.mkDerivation (finalAttrs: {
   # Xcode project or pass it as a flag to xcodebuild as well.
   postConfigure = ''
     substituteInPlace src/auto/config.mk \
-      --replace "PERL_CFLAGS${"\t"}=" "PERL_CFLAGS${"\t"}= -I${darwin.libutil}/include" \
       --replace " -L${stdenv.cc.libc}/lib" "" \
       --replace " -L${darwin.libobjc}/lib" "" \
       --replace " -L${darwin.libunwind}/lib" "" \