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 e8afc3b..d30866e 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
@@ -64,21 +64,14 @@
             lsmIndex.getOperationalComponents(ctx);
             List<ILSMComponent> components = ctx.getComponentHolder();
             try {
-                // The purpose of the synchronized block is to make bumping the counter inside the op. tracker
-                // and entering the mutable component an atomic operation.
-                synchronized (opTracker) {
-                    for (ILSMComponent c : components) {
-                        if (!c.threadEnter(opType)) {
-                            break;
-                        }
-                        numEntered++;
+
+                for (ILSMComponent c : components) {
+                    if (!c.threadEnter(opType)) {
+                        break;
                     }
-                    entranceSuccessful = numEntered == components.size();
-                    if (entranceSuccessful) {
-                        opTracker.beforeOperation(lsmIndex, opType, ctx.getSearchOperationCallback(),
-                                ctx.getModificationCallback());
-                    }
+                    numEntered++;
                 }
+                entranceSuccessful = numEntered == components.size();
             } catch (InterruptedException e) {
                 entranceSuccessful = false;
                 throw new HyracksDataException(e);
@@ -97,6 +90,7 @@
                 return false;
             }
         }
+        opTracker.beforeOperation(lsmIndex, opType, ctx.getSearchOperationCallback(), ctx.getModificationCallback());
         return true;
     }