Index: lams_common/conf/hibernate/mappings/usermanagement/Role.hbm.xml
===================================================================
diff -u -r6068cdbbfae51dc5bf1a0283ed408d4cca31677c -r13014ed9dc02a713ae3030b01a5f6c16cb3ba747
--- lams_common/conf/hibernate/mappings/usermanagement/Role.hbm.xml	(.../Role.hbm.xml)	(revision 6068cdbbfae51dc5bf1a0283ed408d4cca31677c)
+++ lams_common/conf/hibernate/mappings/usermanagement/Role.hbm.xml	(.../Role.hbm.xml)	(revision 13014ed9dc02a713ae3030b01a5f6c16cb3ba747)
@@ -74,13 +74,13 @@
         name="userOrganisationRoles"
         lazy="true"
         inverse="true"
-		cascade="none"
+		cascade="delete-orphan"
     >
         <meta attribute="field-description">
            @hibernate.set
             lazy="true"
             inverse="true"
-            cascade="none"
+            cascade="delete-orphan"
 
            @hibernate.collection-key
             column="role_id"
Index: lams_common/conf/hibernate/mappings/usermanagement/UserOrganisation.hbm.xml
===================================================================
diff -u -r6068cdbbfae51dc5bf1a0283ed408d4cca31677c -r13014ed9dc02a713ae3030b01a5f6c16cb3ba747
--- lams_common/conf/hibernate/mappings/usermanagement/UserOrganisation.hbm.xml	(.../UserOrganisation.hbm.xml)	(revision 6068cdbbfae51dc5bf1a0283ed408d4cca31677c)
+++ lams_common/conf/hibernate/mappings/usermanagement/UserOrganisation.hbm.xml	(.../UserOrganisation.hbm.xml)	(revision 13014ed9dc02a713ae3030b01a5f6c16cb3ba747)
@@ -61,13 +61,13 @@
         name="userOrganisationRoles"
         lazy="true"
         inverse="true"
-		cascade="none"
+		cascade="all-delete-orphan"
     >
         <meta attribute="field-description">
            @hibernate.set
             lazy="true"
             inverse="true"
-            cascade="none"
+            cascade="all-delete-orphan"
 
            @hibernate.collection-key
             column="user_organisation_id"