diff --git a/mllib/src/test/scala/org/apache/spark/ml/util/ReadWriteSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/util/ReadWriteSuite.scala
index 34f9ca3f7d061..f4c1f0bdb32cd 100644
--- a/mllib/src/test/scala/org/apache/spark/ml/util/ReadWriteSuite.scala
+++ b/mllib/src/test/scala/org/apache/spark/ml/util/ReadWriteSuite.scala
@@ -129,6 +129,4 @@ class ReadWriteSuite extends MLTest {
     }
     assert(thrown.getMessage().contains("Multiple writers found for"))
   }
-
-  // TODO (save wrong format model)
 }