diff --git a/lib/common.sh b/lib/common.sh
index f849132..f089155 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -204,7 +204,7 @@ _ENV_VAR_NAMES=(
   GITHUB_USERNAME GITHUB_TOKEN
   REPO_1_NAME REPO_2_NAME REPO_3_NAME
   MIGRATE_ISSUES MIGRATE_LABELS MIGRATE_MILESTONES MIGRATE_WIKI
-  GITHUB_MIRROR_TOKEN GITHUB_MIRROR_INTERVAL
+  GITHUB_MIRROR_INTERVAL
   NGINX_CONTAINER_NAME NGINX_CONF_PATH SSL_MODE
   PROTECTED_BRANCH REQUIRE_PR_REVIEW REQUIRED_APPROVALS
   SEMGREP_VERSION TRIVY_VERSION GITLEAKS_VERSION SECURITY_FAIL_ON_ERROR
@@ -224,7 +224,7 @@ _ENV_VAR_TYPES=(
   nonempty nonempty
   nonempty nonempty nonempty
   bool bool bool bool
-  nonempty nonempty
+  nonempty
   nonempty path ssl_mode
   nonempty bool integer
   nonempty nonempty nonempty bool