diff --git a/core/src/main/scala/org/apache/spark/CacheManager.scala b/core/src/main/scala/org/apache/spark/CacheManager.scala
index 6ea0f1404e951..c3a079d64db7a 100644
--- a/core/src/main/scala/org/apache/spark/CacheManager.scala
+++ b/core/src/main/scala/org/apache/spark/CacheManager.scala
@@ -155,7 +155,7 @@ private[spark] class CacheManager(blockManager: BlockManager) extends Logging {
        * single partition. Instead, we unfold the values cautiously, potentially aborting and
        * dropping the partition to disk if applicable.
        */
-      blockManager.memoryStore.unfoldSafely(key, values, storageLevel, updatedBlocks) match {
+      blockManager.memoryStore.unfoldSafely(key, values, updatedBlocks) match {
         case Left(arrayValues) =>
           // We have successfully unfolded the entire partition, so cache it in memory
           updatedBlocks ++= blockManager.put(key, arrayValues, storageLevel, tellMaster = true)
diff --git a/core/src/main/scala/org/apache/spark/storage/MemoryStore.scala b/core/src/main/scala/org/apache/spark/storage/MemoryStore.scala
index 78d16a4863567..c102f5b36c2ad 100644
--- a/core/src/main/scala/org/apache/spark/storage/MemoryStore.scala
+++ b/core/src/main/scala/org/apache/spark/storage/MemoryStore.scala
@@ -98,7 +98,7 @@ private[spark] class MemoryStore(blockManager: BlockManager, maxMemory: Long)
       level: StorageLevel,
       returnValues: Boolean): PutResult = {
     val droppedBlocks = new ArrayBuffer[(BlockId, BlockStatus)]
-    val unfoldedValues = unfoldSafely(blockId, values, level, droppedBlocks)
+    val unfoldedValues = unfoldSafely(blockId, values, droppedBlocks)
     unfoldedValues match {
       case Left(arrayValues) =>
         // Values are fully unfolded in memory, so store them as an array
@@ -187,7 +187,6 @@ private[spark] class MemoryStore(blockManager: BlockManager, maxMemory: Long)
   def unfoldSafely(
       blockId: BlockId,
       values: Iterator[Any],
-      storageLevel: StorageLevel,
       droppedBlocks: ArrayBuffer[(BlockId, BlockStatus)])
     : Either[Array[Any], Iterator[Any]] = {