diff --git a/source/java/org/alfresco/repo/activities/SiteActivityTest.java b/source/java/org/alfresco/repo/activities/SiteActivityTest.java
index 8c5fa275eb..7879b35593 100644
--- a/source/java/org/alfresco/repo/activities/SiteActivityTest.java
+++ b/source/java/org/alfresco/repo/activities/SiteActivityTest.java
@@ -160,7 +160,11 @@ public class SiteActivityTest extends TestCase
         deleteUser(user3);
         deleteUser(user4);
         
-        membersAddedUpdated = false;
+        deleteSite(site1); 
+        deleteSite(site2);
+        deleteSite(site3);
+        
+        membersAddedUpdated  = false;
         membersRemoved = false;
         controlsCreated = false;
         
@@ -177,6 +181,12 @@ public class SiteActivityTest extends TestCase
         }
     }
     
+    protected void deleteSite(String siteId) throws Exception
+    {
+        // delete site (and site's associated groups)
+        siteService.deleteSite(siteId);
+    }
+    
     public void testGetSiteFeedsBefore() throws Exception
     {
         login(ADMIN_USER, ADMIN_PW);