diff --git a/cmd/cbconvert-gui/main.go b/cmd/cbconvert-gui/main.go
index eca3b3d..74bce2e 100644
--- a/cmd/cbconvert-gui/main.go
+++ b/cmd/cbconvert-gui/main.go
@@ -34,8 +34,6 @@ var (
 )
 
 func init() {
-	_ = os.Setenv("GDK_BACKEND", "x11")
-
 	if appVersion != "" {
 		return
 	}