Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/AsyncIndexUpdate.java
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/AsyncIndexUpdate.java	(revision 1777538)
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/AsyncIndexUpdate.java	(working copy)
@@ -713,6 +713,9 @@
                         }
                     }
                     reindexedDefinitions.clear();
+                    if (!store.release(afterCheckpoint)) {
+                        log.debug("[{}] Unable to release checkpoint {}", name, afterCheckpoint);
+                    }
                 }
                 updatePostRunStatus = true;
             }
Index: oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/index/property/AsyncPropertyIndexTest.java
===================================================================
--- oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/index/property/AsyncPropertyIndexTest.java	(revision 1777538)
+++ oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/index/property/AsyncPropertyIndexTest.java	(working copy)
@@ -17,7 +17,6 @@
 package org.apache.jackrabbit.oak.plugins.index.property;
 
 import static com.google.common.collect.ImmutableSet.of;
-import static org.apache.jackrabbit.JcrConstants.JCR_SYSTEM;
 import static org.apache.jackrabbit.JcrConstants.NT_BASE;
 import static org.apache.jackrabbit.oak.api.Type.STRINGS;
 import static org.apache.jackrabbit.oak.plugins.index.IndexConstants.ASYNC_PROPERTY_NAME;
@@ -25,10 +24,10 @@
 import static org.apache.jackrabbit.oak.plugins.index.IndexConstants.INDEX_DEFINITIONS_NAME;
 import static org.apache.jackrabbit.oak.plugins.index.IndexConstants.REINDEX_ASYNC_PROPERTY_NAME;
 import static org.apache.jackrabbit.oak.plugins.index.IndexUtils.createIndexDefinition;
-import static org.apache.jackrabbit.oak.plugins.nodetype.NodeTypeConstants.JCR_NODE_TYPES;
 import static org.apache.jackrabbit.oak.spi.commit.CommitInfo.EMPTY;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
+import static org.junit.Assert.assertTrue;
 
 import java.util.Arrays;
 import java.util.Set;
@@ -52,6 +51,7 @@
 import org.junit.Test;
 
 import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Iterables;
 import com.google.common.collect.Sets;
 
 /**
@@ -66,6 +66,7 @@
     @Test
     public void testAsyncPropertyLookup() throws Exception {
         NodeStore store = new MemoryNodeStore();
+        assertTrue(Iterables.isEmpty(store.checkpoints()));
 
         NodeBuilder builder = store.getRoot().builder();
 
@@ -101,8 +102,10 @@
 
         // run async second time, there are no changes, should switch to sync
         async.run();
+        async.close();
         assertEquals(null, store.getRoot().getChildNode(INDEX_DEFINITIONS_NAME)
                 .getChildNode("foo").getString(ASYNC_PROPERTY_NAME));
+        assertTrue(Iterables.isEmpty(store.checkpoints()));
 
         // add content, it should be indexed synchronously
         builder = store.getRoot().builder();