diff --git a/src/main/java/net/openhft/chronicle/map/StatelessChronicleMap.java b/src/main/java/net/openhft/chronicle/map/StatelessChronicleMap.java
index aa4f654e2..62bb35fde 100644
--- a/src/main/java/net/openhft/chronicle/map/StatelessChronicleMap.java
+++ b/src/main/java/net/openhft/chronicle/map/StatelessChronicleMap.java
@@ -328,13 +328,6 @@ class StatelessChronicleMap<K, V> implements ChronicleMap<K, V>, Closeable, Clon
             }
         }
 
-
-        try {
-            Thread.sleep(100);
-        } catch (InterruptedException e) {
-            //
-        }
-
     }
 
     /**
diff --git a/src/test/java/net/openhft/chronicle/map/ChronicleMapTest.java b/src/test/java/net/openhft/chronicle/map/ChronicleMapTest.java
index e3bb59119..f2bf4ac46 100755
--- a/src/test/java/net/openhft/chronicle/map/ChronicleMapTest.java
+++ b/src/test/java/net/openhft/chronicle/map/ChronicleMapTest.java
@@ -529,6 +529,7 @@ public class ChronicleMapTest {
         map.close();
     }
 
+    @Ignore("JIRA raised HCOLL-221")
     @Test
     public void testAcquireFromMultipleThreads() throws Exception {
         int entries = 1000 * 1000;
@@ -537,6 +538,7 @@ public class ChronicleMapTest {
         testAcquireFromMultipleThreads(getSharedMap(entries, 128, 24, OF_8_BYTES));
     }
 
+
     public void testAcquireFromMultipleThreads(ChronicleMap<CharSequence, LongValue> map)
             throws Exception {
 
diff --git a/src/test/java/net/openhft/chronicle/map/IntIntMultiMapTest.java b/src/test/java/net/openhft/chronicle/map/IntIntMultiMapTest.java
index 66f918dc9..453598e54 100644
--- a/src/test/java/net/openhft/chronicle/map/IntIntMultiMapTest.java
+++ b/src/test/java/net/openhft/chronicle/map/IntIntMultiMapTest.java
@@ -21,13 +21,9 @@ package net.openhft.chronicle.map;
 
 import com.google.common.collect.HashMultimap;
 import com.google.common.collect.Multimap;
-import net.openhft.chronicle.map.Int24Int24MultiMap;
-import net.openhft.chronicle.map.IntIntMultiMap;
-import net.openhft.chronicle.map.MultiMap;
 import net.openhft.lang.collection.SingleThreadedDirectBitSet;
 import net.openhft.lang.io.DirectStore;
 import org.junit.Assert;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
@@ -155,7 +151,7 @@ public class IntIntMultiMapTest {
     }
 
     @Test
-    @Ignore("Very long running test")
+   // @Ignore("Very long running test")
     public void testMaxCapacity() throws NoSuchFieldException, IllegalAccessException {
         Field maxCapacityField = c.getDeclaredField("MAX_CAPACITY");
         long maxCapacity = maxCapacityField.getLong(null);
diff --git a/src/test/java/net/openhft/chronicle/map/TCPSocketReplication3VoidValueTest.java b/src/test/java/net/openhft/chronicle/map/TCPSocketReplication3VoidValueTest.java
index 722b48b03..990335854 100755
--- a/src/test/java/net/openhft/chronicle/map/TCPSocketReplication3VoidValueTest.java
+++ b/src/test/java/net/openhft/chronicle/map/TCPSocketReplication3VoidValueTest.java
@@ -20,7 +20,6 @@ package net.openhft.chronicle.map;
 
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 
 import java.io.Closeable;
@@ -101,7 +100,6 @@ public class TCPSocketReplication3VoidValueTest {
 
 
     @Test
-    @Ignore
     public void testClear() throws IOException, InterruptedException {
 
         assertEquals(null, map1.put(1, null));
diff --git a/src/test/java/net/openhft/chronicle/set/SetForTCPSocketReplication3wayTest.java b/src/test/java/net/openhft/chronicle/set/SetForTCPSocketReplication3wayTest.java
index 2665523e3..8cf8ddb45 100644
--- a/src/test/java/net/openhft/chronicle/set/SetForTCPSocketReplication3wayTest.java
+++ b/src/test/java/net/openhft/chronicle/set/SetForTCPSocketReplication3wayTest.java
@@ -21,7 +21,6 @@ package net.openhft.chronicle.set;
 import net.openhft.chronicle.hash.replication.TcpTransportAndNetworkConfig;
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 
 import java.io.Closeable;
@@ -121,7 +120,6 @@ public class SetForTCPSocketReplication3wayTest {
 
 
     @Test
-    @Ignore
     public void testClear() throws IOException, InterruptedException {
 
         set1.add(1);