diff --git a/cluster/common.sh b/cluster/common.sh
index d74b8e4d2ca..8d7f5479d7a 100755
--- a/cluster/common.sh
+++ b/cluster/common.sh
@@ -744,11 +744,6 @@ EOF
     if [ -n "${APISERVER_TEST_ARGS:-}" ]; then
       cat >>$file <<EOF
 APISERVER_TEST_ARGS: $(yaml-quote ${APISERVER_TEST_ARGS})
-EOF
-    fi
-    if [ -n "${APISERVER_TEST_LOG_LEVEL:-}" ]; then
-      cat >>$file <<EOF
-APISERVER_TEST_LOG_LEVEL: $(yaml-quote ${APISERVER_TEST_LOG_LEVEL})
 EOF
     fi
     if [ -n "${CONTROLLER_MANAGER_TEST_ARGS:-}" ]; then
@@ -840,12 +835,6 @@ EOF
 ENABLE_CLUSTER_AUTOSCALER: $(yaml-quote ${ENABLE_CLUSTER_AUTOSCALER})
 AUTOSCALER_MIG_CONFIG: $(yaml-quote ${AUTOSCALER_MIG_CONFIG})
 AUTOSCALER_EXPANDER_CONFIG: $(yaml-quote ${AUTOSCALER_EXPANDER_CONFIG})
-EOF
-  fi
-
-  if [ -n "${DNS_ZONE_NAME:-}" ]; then
-    cat >>$file <<EOF
-DNS_ZONE_NAME: $(yaml-quote ${DNS_ZONE_NAME})
 EOF
   fi
   if [ -n "${SCHEDULING_ALGORITHM_PROVIDER:-}" ]; then