diff --git a/infrastructure/terraform/lambda/engine/main.tf b/infrastructure/terraform/lambda/engine/main.tf
index 3f28933b..1f3ce017 100644
--- a/infrastructure/terraform/lambda/engine/main.tf
+++ b/infrastructure/terraform/lambda/engine/main.tf
@@ -44,7 +44,6 @@ module "lambda" {
       DB_PORT              = var.db_port
       API_KEY              = var.api_key
       SECRET_KEY           = var.secret_key
-      DOMAIN_NAME          = var.domain_name
       EPC_AUTH_TOKEN       = var.epc_auth_token
       GOOGLE_SOLAR_API_KEY = var.google_solar_api_key