diff --git a/pkgs/waterfox-bin/default.nix b/pkgs/waterfox-bin/default.nix
index a626ef9..26eb2a8 100644
--- a/pkgs/waterfox-bin/default.nix
+++ b/pkgs/waterfox-bin/default.nix
@@ -159,12 +159,6 @@ stdenv.mkDerivation (finalAttrs: {
     runHook postInstall
   '';
 
-  preFixup = ''
-    gappsWrapperArgs+=(
-      --prefix XDG_DATA_DIRS : "$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH:$out/share"
-    )
-  '';
-
   postInstall = ''
     find $out/opt/waterfox -type f -name "*.so" -exec sh -c '
       if patchelf --print-interpreter "{}" >/dev/null 2>&1; then