diff --git a/bin/plasma-phone.cmake b/bin/plasma-phone.cmake
index 3e7f46bc..1ba511c1 100644
--- a/bin/plasma-phone.cmake
+++ b/bin/plasma-phone.cmake
@@ -19,7 +19,6 @@ export QT_QPA_PLATFORM=wayland
 export QT_QPA_PLATFORMTHEME=KDE
 export QT_WAYLAND_DISABLE_WINDOWDECORATION=1
 export XDG_CURRENT_DESKTOP=KDE
-export KSCREEN_BACKEND=QScreen
 
 export KDE_FULL_SESSION=1
 export KDE_SESSION_VERSION=5