diff --git a/src/main/java/org/nrg/containers/model/container/auto/Container.java b/src/main/java/org/nrg/containers/model/container/auto/Container.java
index 34b69afc7..b12ad82d7 100644
--- a/src/main/java/org/nrg/containers/model/container/auto/Container.java
+++ b/src/main/java/org/nrg/containers/model/container/auto/Container.java
@@ -802,7 +802,7 @@ public static ContainerHistory fromSystem(final String status,
                     .entityType("system")
                     .entityId(null)
                     .timeRecorded(new Date())
-                    .externalTimestamp(Long.toString(System.nanoTime()))
+                    .externalTimestamp(null)
                     .build();
         }
 
@@ -812,7 +812,7 @@ public static ContainerHistory fromUserAction(final String status, final String
                     .entityType("user")
                     .entityId(username)
                     .timeRecorded(new Date())
-                    .externalTimestamp(Long.toString(System.nanoTime()))
+                    .externalTimestamp(null)
                     .message(null)
                     .build();
         }
diff --git a/src/main/java/org/nrg/containers/model/container/entity/ContainerEntity.java b/src/main/java/org/nrg/containers/model/container/entity/ContainerEntity.java
index e4fd4ab57..50083cb03 100644
--- a/src/main/java/org/nrg/containers/model/container/entity/ContainerEntity.java
+++ b/src/main/java/org/nrg/containers/model/container/entity/ContainerEntity.java
@@ -529,26 +529,8 @@ public boolean isItemInHistory(final ContainerEntityHistory historyItem) {
     	
     	historyItem.setContainerEntity(this);
     	
-    	boolean match=false;
-    	Collections.sort(history);
-    	for (ContainerEntityHistory hist : history) {
-			log.debug("isItemInHistory items {} {} {}",hist.getContainerEntity().getId(),hist.getStatus(),hist.getTimeRecorded());
-		}
-    	if(history.size()>0){
-    		ContainerEntityHistory latest=history.get(0);
-    		match= StringUtils.equals(latest.getStatus(),historyItem.getStatus());
-    		if(log.isDebugEnabled()){
-    			log.debug("isItemInHistory skip {} {} {} {} {} {} {}",
-    					match,
-    					historyItem.getContainerEntity().getId(),
-    					latest.getContainerEntity().getId(),
-    					historyItem.getStatus(),
-    					latest.getStatus(),
-    					historyItem.getTimeRecorded(),
-    					latest.getTimeRecorded());
-    		}
-    	}
-    	return match;
+    	return this.history.contains(historyItem);
+    	 
     }
 
    
diff --git a/src/main/java/org/nrg/containers/model/container/entity/ContainerEntityHistory.java b/src/main/java/org/nrg/containers/model/container/entity/ContainerEntityHistory.java
index c0bcb5521..cf8e87b20 100644
--- a/src/main/java/org/nrg/containers/model/container/entity/ContainerEntityHistory.java
+++ b/src/main/java/org/nrg/containers/model/container/entity/ContainerEntityHistory.java
@@ -21,7 +21,7 @@
 @Slf4j
 @Entity
 @Audited
-public class ContainerEntityHistory implements Comparable<ContainerEntityHistory>{
+public class ContainerEntityHistory {
     private long id;
     @JsonIgnore private ContainerEntity containerEntity;
     private String status;
@@ -192,9 +192,4 @@ public String toString() {
                 .add("exitCode", exitCode)
                 .toString();
     }
-
-	@Override
-	public int compareTo(ContainerEntityHistory o) {
-		   return o.timeRecorded.compareTo(this.timeRecorded);
-	}
 }