diff --git a/jjb/pipeline/voltha-nightly-tests-bbsim.groovy b/jjb/pipeline/voltha-nightly-tests-bbsim.groovy
index 56c6291..73346b9 100644
--- a/jjb/pipeline/voltha-nightly-tests-bbsim.groovy
+++ b/jjb/pipeline/voltha-nightly-tests-bbsim.groovy
@@ -49,6 +49,7 @@
           $class: 'GitSCM',
           userRemoteConfigs: [[
             url: "https://gerrit.opencord.org/kind-voltha",
+            // refspec: "${kindVolthaChange}"
           ]],
           branches: [[ name: "master", ]],
           extensions: [
@@ -73,6 +74,7 @@
           $class: 'GitSCM',
           userRemoteConfigs: [[
             url: "https://gerrit.opencord.org/voltha-system-tests",
+            // refspec: "${volthaSystemTestsChange}"
           ]],
           branches: [[ name: "${branch}", ]],
           extensions: [