diff --git a/infoschema/cluster.go b/infoschema/cluster.go
index 482d6d96e6491..47bb7db4c3434 100644
--- a/infoschema/cluster.go
+++ b/infoschema/cluster.go
@@ -86,10 +86,9 @@ func isClusterTableByName(dbName, tableName string) bool {
 				return true
 			}
 		}
-		return false
 	default:
-		return false
 	}
+	return false
 }
 
 // AppendHostInfoToRows appends host info to the rows.