ASSERT: have some application running on OpenShift and listed in OpenShift Explorer ASSERT: have some downloadable cartridge embedded to it (ex. use foreman: http://cartreflect-claytondev.rhcloud.com/reflect?github=ncdc/openshift-foreman-cartridge ) EXEC: in OpenShift Explorer: select your application and pick "Edit Embedded cartridges" Result: There's no entry for your embedded cartridge thus you cannot uncheck and remove it. Expected result: There should be an entry for your embedded, downloadable cartridge that you can uncheck.