diff --git a/pkgs/development/libraries/pango/default.nix b/pkgs/development/libraries/pango/default.nix
index 45ca9cb98e8..87187667a92 100644
--- a/pkgs/development/libraries/pango/default.nix
+++ b/pkgs/development/libraries/pango/default.nix
@@ -14,8 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "01rdzjh68w8l5zn0648yibyarj8p6g7yfn59nw5awaz1i8dvbnqq";
   };
 
-  buildInputs = with stdenv.lib;
-    optional (!stdenv.isDarwin) gobjectIntrospection # build problems of itself and flex
+  buildInputs = with stdenv.lib; [ gobjectIntrospection ]
     ++ optionals stdenv.isDarwin [ fontconfig ];
   nativeBuildInputs = [ pkgconfig ];