diff --git a/nix/configurations/vanadium/home/xmonad/xmonad.hs b/nix/configurations/vanadium/home/xmonad/xmonad.hs
index 76182ee5..dcb62ea6 100644
--- a/nix/configurations/vanadium/home/xmonad/xmonad.hs
+++ b/nix/configurations/vanadium/home/xmonad/xmonad.hs
@@ -225,9 +225,7 @@ myStartupHook = do
     -- - setting `home.sessionVariable` (home-manager) would only effect shells, probably due to the order of launched processes blah blah
     -- - setting `environment.sessionVariables` (NixOS) would make my set up less portable
     putEnv "GLFW_IM_MODULE=ibus"  -- Make sure kitty knows how to talk to fcitx
-
-    -- TODO: doesn't work for firefox nor for zen since 145.0
-    -- putEnv "MOZ_USE_XINPUT2=1"    -- Force touchpad for firefox
+    putEnv "MOZ_USE_XINPUT2=1"    -- Force touchpad for firefox
 
 removedKeybinds :: [(KeyMask, KeySym)]
 removedKeybinds =