diff --git a/firefox.sh.in b/firefox.sh.in
index c72daba..0ab39e9 100644
--- a/firefox.sh.in
+++ b/firefox.sh.in
@@ -67,20 +67,6 @@ MOZ_PROGRAM="$MOZ_DIST_BIN/$MOZ_FIREFOX_FILE"
 MOZ_LAUNCHER="$MOZ_DIST_BIN/run-mozilla.sh"
 GETENFORCE_FILE="/usr/sbin/getenforce"
 
-##
-## Enable Wayland backend?
-##
-if ! [ $MOZ_DISABLE_WAYLAND ] && [ "$WAYLAND_DISPLAY" ]; then
-  if [ "$XDG_CURRENT_DESKTOP" == "GNOME" ]; then
-    export MOZ_ENABLE_WAYLAND=1
-  fi
-##  Enable Wayland on KDE/Sway
-##
-  if [ "$XDG_SESSION_TYPE" == "wayland" ]; then
-    export MOZ_ENABLE_WAYLAND=1
-  fi
-fi
-
 ##
 ## Use D-Bus remote exclusively when there's Wayland display.
 ##