diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMHarness.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMHarness.java
index a006b97..bc7cbf7 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMHarness.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMHarness.java
@@ -29,8 +29,6 @@
     public boolean modify(ILSMIndexOperationContext ctx, boolean tryOperation, ITupleReference tuple)
             throws HyracksDataException, IndexException;
 
-    public void noOp(ILSMIndexOperationContext ctx) throws HyracksDataException;
-
     public void search(ILSMIndexOperationContext ctx, IIndexCursor cursor, ISearchPredicate pred)
             throws HyracksDataException, IndexException;
 
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMIndexAccessor.java
index cd60ded..3405b60 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMIndexAccessor.java
@@ -109,14 +109,4 @@
     public void forceInsert(ITupleReference tuple) throws HyracksDataException, IndexException;
 
     public void forceDelete(ITupleReference tuple) throws HyracksDataException, IndexException;
-
-    /**
-     * This method can be used to increase the number of 'active' operations of an index artificially,
-     * without actually modifying the index.
-     * This method does not block and is guaranteed to trigger the {@link ILSMOperationTracker}'s beforeOperation
-     * and afterOperation calls.
-     * 
-     * @throws HyracksDataException
-     */
-    public void noOp() throws HyracksDataException;
 }
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/dataflow/LSMIndexInsertUpdateDeleteOperatorNodePushable.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/dataflow/LSMIndexInsertUpdateDeleteOperatorNodePushable.java
index 4c69634..5bf52e4 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/dataflow/LSMIndexInsertUpdateDeleteOperatorNodePushable.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/dataflow/LSMIndexInsertUpdateDeleteOperatorNodePushable.java
@@ -46,7 +46,6 @@
                 if (tupleFilter != null) {
                     frameTuple.reset(accessor, i);
                     if (!tupleFilter.accept(frameTuple)) {
-                        lsmAccessor.noOp();
                         continue;
                     }
                 }
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMHarness.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMHarness.java
index 3817e5a..e8afc3b 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMHarness.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMHarness.java
@@ -163,13 +163,6 @@
     }
 
     @Override
-    public void noOp(ILSMIndexOperationContext ctx) throws HyracksDataException {
-        LSMOperationType opType = LSMOperationType.NOOP;
-        opTracker.beforeOperation(lsmIndex, opType, ctx.getSearchOperationCallback(), ctx.getModificationCallback());
-        threadExit(ctx, opType);
-    }
-
-    @Override
     public void scheduleFlush(ILSMIndexOperationContext ctx, ILSMIOOperationCallback callback)
             throws HyracksDataException {
         if (!getAndEnterComponents(ctx, LSMOperationType.FLUSH, true)) {
diff --git a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMTreeIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMTreeIndexAccessor.java
index 6328b1d..f11a061 100644
--- a/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMTreeIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/LSMTreeIndexAccessor.java
@@ -122,11 +122,6 @@
     }
 
     @Override
-    public void noOp() throws HyracksDataException {
-        lsmHarness.noOp(ctx);
-    }
-
-    @Override
     public void forcePhysicalDelete(ITupleReference tuple) throws HyracksDataException, IndexException {
         ctx.setOperation(IndexOperation.PHYSICALDELETE);
         lsmHarness.forceModify(ctx, tuple);
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexAccessor.java b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexAccessor.java
index 16f1fa1..db7529c 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexAccessor.java
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/invertedindex/impls/LSMInvertedIndexAccessor.java
@@ -112,11 +112,6 @@
     }
 
     @Override
-    public void noOp() throws HyracksDataException {
-        lsmHarness.noOp(ctx);
-    }
-
-    @Override
     public void forcePhysicalDelete(ITupleReference tuple) throws HyracksDataException, IndexException {
         throw new UnsupportedOperationException("Physical delete not supported by lsm inverted index.");
     }