diff --git a/src/insexpand.c b/src/insexpand.c
index df757ce..856c06d 100644
--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -2498,6 +2498,9 @@
 	retval = TRUE;
     }
 
+    if ((c == Ctrl_W || c == Ctrl_U) && ins_compl_preinsert_effect())
+	ins_compl_delete();
+
     auto_format(FALSE, TRUE);
 
     // Trigger the CompleteDonePre event to give scripts a chance to