diff --git oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentNodeStoreService.java oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentNodeStoreService.java
index e891165..2919488 100644
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentNodeStoreService.java
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentNodeStoreService.java
@@ -25,7 +25,6 @@ import static org.apache.jackrabbit.oak.commons.PropertiesUtil.toInteger;
 import static org.apache.jackrabbit.oak.commons.PropertiesUtil.toLong;
 import static org.apache.jackrabbit.oak.osgi.OsgiUtil.lookupConfigurationThenFramework;
 import static org.apache.jackrabbit.oak.segment.compaction.SegmentGCOptions.FORCE_TIMEOUT_DEFAULT;
-import static org.apache.jackrabbit.oak.segment.compaction.SegmentGCOptions.GAIN_THRESHOLD_DEFAULT;
 import static org.apache.jackrabbit.oak.segment.compaction.SegmentGCOptions.PAUSE_DEFAULT;
 import static org.apache.jackrabbit.oak.segment.compaction.SegmentGCOptions.RETAINED_GENERATIONS_DEFAULT;
 import static org.apache.jackrabbit.oak.segment.compaction.SegmentGCOptions.RETRY_COUNT_DEFAULT;
@@ -186,14 +185,6 @@ public class SegmentNodeStoreService extends ProxyNodeStore
     public static final String NODE_DEDUPLICATION_CACHE_SIZE = "nodeDeduplicationCache.size";
 
     @Property(
-            byteValue = GAIN_THRESHOLD_DEFAULT,
-            label = "Compaction gain threshold",
-            description = "TarMK compaction gain threshold. The gain estimation prevents compaction from running " +
-                    "if the provided threshold is not met. Value represents a percentage so an input between 0 and 100 is expected."
-    )
-    public static final String COMPACTION_GAIN_THRESHOLD = "compaction.gainThreshold";
-
-    @Property(
             boolValue = PAUSE_DEFAULT,
             label = "Pause Compaction",
             description = "When enabled compaction would not be performed"
@@ -617,7 +608,7 @@ public class SegmentNodeStoreService extends ProxyNodeStore
         int forceTimeout = toInteger(property(COMPACTION_FORCE_TIMEOUT), FORCE_TIMEOUT_DEFAULT);
         int retainedGenerations = toInteger(property(RETAINED_GENERATIONS), RETAINED_GENERATIONS_DEFAULT);
 
-        byte gainThreshold = getGainThreshold();
+        byte gainThreshold = 0;
         long sizeDeltaEstimation = toLong(property(COMPACTION_SIZE_DELTA_ESTIMATION), SIZE_DELTA_ESTIMATION_DEFAULT);
 
         return new SegmentGCOptions(pauseCompaction, gainThreshold, retryCount, forceTimeout)
@@ -715,16 +706,6 @@ public class SegmentNodeStoreService extends ProxyNodeStore
         return Integer.parseInt(getMaxFileSizeProperty());
     }
 
-    private byte getGainThreshold() {
-        String gt = property(COMPACTION_GAIN_THRESHOLD);
-
-        if (gt == null) {
-            return GAIN_THRESHOLD_DEFAULT;
-        }
-
-        return Byte.valueOf(gt);
-    }
-
     private String property(String name) {
         return lookupConfigurationThenFramework(context, name);
     }
diff --git oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/CompactionGainEstimate.java oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/CompactionGainEstimate.java
index 57286b8..3b18724 100644
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/CompactionGainEstimate.java
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/CompactionGainEstimate.java
@@ -37,6 +37,7 @@ import org.apache.jackrabbit.oak.segment.SegmentNodeState;
 import org.apache.jackrabbit.oak.segment.SegmentPropertyState;
 import org.apache.jackrabbit.oak.spi.state.ChildNodeEntry;
 
+@Deprecated
 class CompactionGainEstimate implements TarEntryVisitor, GCEstimation {
 
     private static final Funnel<UUID> UUID_FUNNEL = new Funnel<UUID>() {
diff --git oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStore.java oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStore.java
index 62f833f..d8023e5 100644
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStore.java
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStore.java
@@ -777,6 +777,7 @@ public class FileStore extends AbstractFileStore {
          * @param stop  signal for stopping the estimation process.
          * @return compaction gain estimate
          */
+        @SuppressWarnings("deprecation")
         synchronized GCEstimation estimateCompactionGain(Supplier<Boolean> stop) {
             if (gcOptions.isGcSizeDeltaEstimation()) {
                 SizeDeltaGcEstimation e = new SizeDeltaGcEstimation(gcOptions,
@@ -784,6 +785,7 @@ public class FileStore extends AbstractFileStore {
                 return e;
             }
 
+            gcListener.warn("TarMK GC #{}: Using deprecated CompactionGainEstimate to figure out compation gain!", GC_COUNT);
             CompactionGainEstimate estimate = new CompactionGainEstimate(getHead(),
                     count(), stop, gcOptions.getGainThreshold());
             fileStoreLock.readLock().lock();