Index: oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/compaction/LoggingGCMonitor.java
===================================================================
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/compaction/LoggingGCMonitor.java	(revision 1765299)
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/compaction/LoggingGCMonitor.java	(working copy)
@@ -61,8 +61,7 @@
     }
 
     @Override
-    public void compacted(
-            long[] segmentCounts, long[] recordCounts, long[] compactionMapWeights) {
+    public void compacted() {
     }
 
     @Override
Index: oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreBuilder.java
===================================================================
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreBuilder.java	(revision 1765299)
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreBuilder.java	(working copy)
@@ -116,8 +116,8 @@
         }
 
         @Override
-        public void compacted(long[] segmentCounts, long[] recordCounts, long[] compactionMapWeights) {
-            gcMonitor.compacted(segmentCounts, recordCounts, compactionMapWeights);
+        public void compacted() {
+            gcMonitor.compacted();
         }
 
         @Override
@@ -130,12 +130,7 @@
             checkNotNull(cacheManager);
             switch (status) {
                 case SUCCESS:
-                    // FIXME OAK-4283: Align GCMonitor API with implementation
-                    // This call is still needed to ensure upstream consumers
-                    // of GCMonitor callback get properly notified. See
-                    // RepositoryImpl.RefreshOnGC and
-                    // LuceneIndexProviderService.registerGCMonitor().
-                    gcMonitor.compacted(new long[0], new long[0], new long[0]);
+                    gcMonitor.compacted();
                     cacheManager.evictOldGeneration(newGeneration);
                     break;
                 case FAILURE:
Index: oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreGCMonitor.java
===================================================================
--- oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreGCMonitor.java	(revision 1765299)
+++ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/file/FileStoreGCMonitor.java	(working copy)
@@ -75,7 +75,7 @@
     }
 
     @Override
-    public void compacted(long[] segmentCounts, long[] recordCounts, long[] compactionMapWeights) {
+    public void compacted() {
         lastCompaction = clock.getTime();
     }
 
Index: oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/SegmentCompactionIT.java
===================================================================
--- oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/SegmentCompactionIT.java	(revision 1765299)
+++ oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/SegmentCompactionIT.java	(working copy)
@@ -710,8 +710,8 @@
         }
 
         @Override
-        public void compacted(long[] segmentCounts, long[] recordCounts, long[] compactionMapWeights) {
-            delegate.compacted(segmentCounts, recordCounts, compactionMapWeights);
+        public void compacted() {
+            delegate.compacted();
             lastCompacted = System.currentTimeMillis();
         }