diff --git a/tools/test/cells/simon-uk b/tools/test/cells/simon-uk
index fbe57d8..f14333d 100644
--- a/tools/test/cells/simon-uk
+++ b/tools/test/cells/simon-uk
@@ -29,7 +29,9 @@
 export OC1=10.0.3.174
 export OC2=10.0.3.242
 export OC3=10.0.3.49
-export OC4=10.0.3.132
+
+## keep this out of the initial cluster...
+## export OC4=10.0.3.132
 
 ## default ONOS instance
 export OCI=$OC1