diff --git a/widget/gtk2/nsDragService.cpp b/widget/gtk2/nsDragService.cpp
index 90ea959566d8..11cc22b56fbf 100644
--- a/widget/gtk2/nsDragService.cpp
+++ b/widget/gtk2/nsDragService.cpp
@@ -229,7 +229,6 @@ OnSourceGrabEventAfter(GtkWidget *widget, GdkEvent *event, gpointer user_data)
     if (!gtk_widget_has_grab(sGrabWidget))
         return;
 
-    GdkModifierType state;
     if (event->type == GDK_MOTION_NOTIFY) {
         if (sMotionEvent) {
             gdk_event_free(sMotionEvent);