diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MessageDialogPane.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MessageDialogPane.java
index 52d452cb2..27000be17 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MessageDialogPane.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MessageDialogPane.java
@@ -38,7 +38,6 @@ public final class MessageDialogPane extends StackPane {
         WARNING,
         QUESTION,
         FINE,
-        PLAIN,
     }
 
     @FXML