diff --git a/source/java/org/alfresco/wcm/sandbox/SandboxFactory.java b/source/java/org/alfresco/wcm/sandbox/SandboxFactory.java
index 9c1379467b..16351939b8 100644
--- a/source/java/org/alfresco/wcm/sandbox/SandboxFactory.java
+++ b/source/java/org/alfresco/wcm/sandbox/SandboxFactory.java
@@ -1340,4 +1340,28 @@ public final class SandboxFactory extends WCMUtil
            this.userAuth = userAuth;
        }
    }
+   
+   public void removeGroupsForStore(final String storeRoot)
+   {
+       AuthenticationUtil.runAs(new RunAsWork<Void>()
+       {
+
+           public Void doWork() throws Exception
+           {
+               String[] permissions = new String[] { PermissionService.WCM_CONTENT_CONTRIBUTOR, PermissionService.WCM_CONTENT_MANAGER, PermissionService.WCM_CONTENT_PUBLISHER,
+                       PermissionService.WCM_CONTENT_REVIEWER };
+               for (String permission : permissions)
+               {
+                   String shortName = storeRoot + "-" + permission;
+                   String group = authorityService.getName(AuthorityType.GROUP, shortName);
+                   if (authorityService.authorityExists(group))
+                   {
+                       authorityService.deleteAuthority(group);
+                   }
+               }
+               return null;
+           }
+       }, AuthenticationUtil.getSystemUserName());
+
+   }
 }
diff --git a/source/java/org/alfresco/wcm/webproject/WebProjectServiceImpl.java b/source/java/org/alfresco/wcm/webproject/WebProjectServiceImpl.java
index bce89a42e5..4d31756579 100644
--- a/source/java/org/alfresco/wcm/webproject/WebProjectServiceImpl.java
+++ b/source/java/org/alfresco/wcm/webproject/WebProjectServiceImpl.java
@@ -724,7 +724,7 @@ public class WebProjectServiceImpl extends WCMUtil implements WebProjectService
             // It does not matter what webapp name we give here, so "/ROOT"
             // is as sensible as anything else. It's all going away.
 
-            String sandbox = WCMUtil.buildStagingStoreName(wpStoreId);
+            final String sandbox = WCMUtil.buildStagingStoreName(wpStoreId);
             String path = WCMUtil.buildStoreWebappPath(sandbox, "/ROOT");
             
             WCMUtil.removeAllVServerWebapps(virtServerRegistry, path, true);
@@ -746,6 +746,8 @@ public class WebProjectServiceImpl extends WCMUtil implements WebProjectService
                     // delete the web project node itself
                     nodeService.deleteNode(wpNodeRef);
                     
+                    sandboxFactory.removeGroupsForStore(sandbox);
+                    
                     return null;
                 }
             }, AuthenticationUtil.getSystemUserName());