diff --git a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFileManager.java b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFileManager.java
index 3155801..83f6573 100644
--- a/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFileManager.java
+++ b/hyracks-fullstack/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexFileManager.java
@@ -149,9 +149,9 @@
             } else if (currentDeletedKeysBTree.isWithin(lastDeletedKeysBTree)
                     && currentDictBTree.isWithin(lastDictBTree) && currentBloomFilter.isWithin(lastBloomFilter)) {
                 // Invalid files are completely contained in last sequence.
-                delete(treeFactory.getBufferCache(), currentDeletedKeysBTree.getFileRef());
-                delete(treeFactory.getBufferCache(), currentDictBTree.getFileRef());
-                delete(treeFactory.getBufferCache(), currentBloomFilter.getFileRef());
+                delete(btreeFactory.getBufferCache(), currentDeletedKeysBTree.getFileRef());
+                delete(btreeFactory.getBufferCache(), currentDictBTree.getFileRef());
+                delete(btreeFactory.getBufferCache(), currentBloomFilter.getFileRef());
             } else {
                 // This scenario should not be possible.
                 throw HyracksDataException.create(ErrorCode.FOUND_OVERLAPPING_LSM_FILES, baseDir);