diff --git a/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala b/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
index 8dc7437d4747cf1fcfce2a37987bbe4160122d24..2404a69e9e8b5c00c33713af1c73436699c553e6 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
@@ -430,15 +430,11 @@ class ALS(@Since("1.4.0") override val uid: String) extends Estimator[ALSModel]
 
   /** @group expertSetParam */
   @Since("2.0.0")
-  def setIntermediateStorageLevel(value: String): this.type = {
-    set(intermediateStorageLevel, value)
-  }
+  def setIntermediateStorageLevel(value: String): this.type = set(intermediateStorageLevel, value)
 
   /** @group expertSetParam */
   @Since("2.0.0")
-  def setFinalStorageLevel(value: String): this.type = {
-    set(finalStorageLevel, value)
-  }
+  def setFinalStorageLevel(value: String): this.type = set(finalStorageLevel, value)
 
   /**
    * Sets both numUserBlocks and numItemBlocks to the specific value.