diff --git a/grails-test-suite-base/src/main/groovy/org/grails/web/taglib/AbstractGrailsTagTests.groovy b/grails-test-suite-base/src/main/groovy/org/grails/web/taglib/AbstractGrailsTagTests.groovy
index 8fc92a3a542..84fc3ea1e18 100644
--- a/grails-test-suite-base/src/main/groovy/org/grails/web/taglib/AbstractGrailsTagTests.groovy
+++ b/grails-test-suite-base/src/main/groovy/org/grails/web/taglib/AbstractGrailsTagTests.groovy
@@ -324,7 +324,7 @@ abstract class AbstractGrailsTagTests extends GroovyTestCase {
 
         Holders.servletContext = null
         GroovyPageMetaInfo.DEFAULT_PLUGIN_PATH = ""
-//        registryCleaner.clean()
+        registryCleaner.clean()
         GroovySystem.metaClassRegistry.removeMetaClassRegistryChangeEventListener(registryCleaner)
     }