diff --git oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/DataStoreTestBase.java oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/DataStoreTestBase.java
index 7e7716a..24eb6eb 100644
--- oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/DataStoreTestBase.java
+++ oak-segment-tar/src/test/java/org/apache/jackrabbit/oak/segment/standby/DataStoreTestBase.java
@@ -19,7 +19,6 @@
 
 package org.apache.jackrabbit.oak.segment.standby;
 
-import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -50,7 +49,6 @@ import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
 import org.apache.jackrabbit.oak.spi.state.NodeStore;
 import org.apache.jackrabbit.oak.stats.DefaultStatisticsProvider;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 
 import com.google.common.io.ByteStreams;
@@ -97,7 +95,6 @@ public class DataStoreTestBase extends TestBase {
     }
 
     @Test
-    @Ignore("OAK-4708")
     public void testSync() throws Exception {
         final int mb = 1 * 1024 * 1024;
         final int blobSize = 5 * mb;
@@ -135,43 +132,36 @@ public class DataStoreTestBase extends TestBase {
     }
 
     @Test
-    @Ignore("OAK-4708")
     public void testProxySkippedBytes() throws Exception {
         useProxy(100, 1, -1, false);
     }
 
     @Test
-    @Ignore("OAK-4708")
     public void testProxySkippedBytesIntermediateChange() throws Exception {
         useProxy(100, 1, -1, true);
     }
 
     @Test
-    @Ignore("OAK-4708")
     public void testProxyFlippedStartByte() throws Exception {
         useProxy(0, 0, 0, false);
     }
 
     @Test
-    @Ignore("OAK-4708")
     public void testProxyFlippedIntermediateByte() throws Exception {
         useProxy(0, 0, 150, false);
     }
 
     @Test
-    @Ignore("OAK-4708")
     public void testProxyFlippedIntermediateByte2() throws Exception {
         useProxy(0, 0, 150000, false);
     }
 
     @Test
-    @Ignore("OAK-4708")
     public void testProxyFlippedIntermediateByteChange() throws Exception {
         useProxy(0, 0, 150, true);
     }
 
     @Test
-    @Ignore("OAK-4708")
     public void testProxyFlippedIntermediateByteChange2() throws Exception {
         useProxy(0, 0, 150000, true);
     }