Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/NoticeboardContent.java
===================================================================
diff -u -r4aae0391a4892385de3df761a655e0ab8b1c0183 -r2a6d3a91cb4cf1c169518fe434154f645fabd602
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/NoticeboardContent.java	(.../NoticeboardContent.java)	(revision 4aae0391a4892385de3df761a655e0ab8b1c0183)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/NoticeboardContent.java	(.../NoticeboardContent.java)	(revision 2a6d3a91cb4cf1c169518fe434154f645fabd602)
@@ -430,16 +430,9 @@
 			while (iter.hasNext()) {
 				NoticeboardAttachment element = (NoticeboardAttachment) iter.next();
 				NoticeboardAttachment newAttachment = new NoticeboardAttachment(newContent, element.getFilename(), element.isOnlineFile());
-				if(toolContentHandler != null){
-					//if it is not null, copy file node and refresh uuid and version
-					NodeKey keys = toolContentHandler.copyFile(element.getUuid());
-					newAttachment.setUuid(keys.getUuid());
-					newAttachment.setVersionId(keys.getVersion());
-				}else{
-					//keep old value
-					newAttachment.setUuid(element.getUuid());
-					newAttachment.setVersionId(element.getVersionId());
-				}
+				//keep old value do not duplicate file
+				newAttachment.setUuid(element.getUuid());
+				newAttachment.setVersionId(element.getVersionId());
 				
 				newAttachmentSet.add(newAttachment);
 			} 
Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/NoticeboardServicePOJO.java
===================================================================
diff -u -r28b3045d39cf68d79a469dfa23e625b3822abfe0 -r2a6d3a91cb4cf1c169518fe434154f645fabd602
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/NoticeboardServicePOJO.java	(.../NoticeboardServicePOJO.java)	(revision 28b3045d39cf68d79a469dfa23e625b3822abfe0)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/NoticeboardServicePOJO.java	(.../NoticeboardServicePOJO.java)	(revision 2a6d3a91cb4cf1c169518fe434154f645fabd602)
@@ -765,7 +765,6 @@
 	    {
 			attachment.setNbContent(null);
 			content.getNbAttachments().remove(attachment);
-			nbToolContentHandler.deleteFile(attachment.getUuid());
 			saveNoticeboard(content);
 	    }
 	    catch (DataAccessException e)
Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/web/NbAuthoringAction.java
===================================================================
diff -u -r08950e1090443c3423a3d1c587416a2fccd8bbdf -r2a6d3a91cb4cf1c169518fe434154f645fabd602
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/web/NbAuthoringAction.java	(.../NbAuthoringAction.java)	(revision 08950e1090443c3423a3d1c587416a2fccd8bbdf)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/web/NbAuthoringAction.java	(.../NbAuthoringAction.java)	(revision 2a6d3a91cb4cf1c169518fe434154f645fabd602)
@@ -290,7 +290,7 @@
 				
 		    	try
 		    	{
-		    	// remove tool entry from db, includies removing entry from the content repository
+		    	// remove tool entry from db, does not removing entry from the content repository
 		    	// deleting a non-existent entry shouldn't cause any errors.
 					if ( attachment.getAttachmentId() != null ) {
 						nbService.removeAttachment(nbContent, attachment);