diff --git a/terraform/031-email-service/task-definition-cron.json b/terraform/031-email-service/task-definition-cron.json
index 22ab7e6..6c956e0 100644
--- a/terraform/031-email-service/task-definition-cron.json
+++ b/terraform/031-email-service/task-definition-cron.json
@@ -19,10 +19,6 @@
         "name": "APP_ID",
         "value": "${appconfig_app_id}"
       },
-      {
-        "name": "AWS_REGION",
-        "value": "${aws_region}"
-      },
       {
         "name": "ENV_ID",
         "value": "${appconfig_env_id}"