diff --git a/.github/workflows/deploy_terraform.yml b/.github/workflows/deploy_terraform.yml
index 1af90291..8ba473ca 100644
--- a/.github/workflows/deploy_terraform.yml
+++ b/.github/workflows/deploy_terraform.yml
@@ -169,9 +169,7 @@ jobs:
     uses: ./.github/workflows/_build_image.yml
     with:
       ecr_repo: postcode_splitter-${{ needs.determine_stage.outputs.stage }}
-      # dockerfile_path: applications/postcode_splitter/Dockerfile
-      # Switch back to the old postcode_splitter due to hyde priority - interface for the new one isn't working atm
-      dockerfile_path:  backend/postcode_splitter/handler/Dockerfile
+      dockerfile_path: applications/postcode_splitter/Dockerfile
       build_context: .
       build_args: |
         DEV_DB_HOST=$DEV_DB_HOST
diff --git a/deployment/terraform/lambda/postcodeSplitter/main.tf b/deployment/terraform/lambda/postcodeSplitter/main.tf
index e04ae00f..721cb2ea 100644
--- a/deployment/terraform/lambda/postcodeSplitter/main.tf
+++ b/deployment/terraform/lambda/postcodeSplitter/main.tf
@@ -38,26 +38,8 @@ module "lambda" {
     {
       STAGE     = var.stage
       LOG_LEVEL = "info"
-      # POSTGRES_USERNAME = local.db_credentials.db_assessment_model_username
-      # POSTGRES_PASSWORD = local.db_credentials.db_assessment_model_password
-      # Switch back to the old postcode_splitter due to hyde priority - interface for the new one isn't working atm
-      DB_USERNAME = local.db_credentials.db_assessment_model_username
-      DB_PASSWORD = local.db_credentials.db_assessment_model_password
-      # Placeholder values so backend/app/config.py Settings doesn't fall back to "changeme"
-      GOOGLE_SOLAR_API_KEY = "test"
-      SAP_PREDICTIONS_BUCKET = "test"
-      CARBON_PREDICTIONS_BUCKET = "test"
-      HEAT_PREDICTIONS_BUCKET = "test"
-      HEATING_KWH_PREDICTIONS_BUCKET = "test"
-      HOTWATER_KWH_PREDICTIONS_BUCKET = "test"
-      API_KEY = "test"
-      ENVIRONMENT = "test"
-      SECRET_KEY = "test"
-      PLAN_TRIGGER_BUCKET = "test"
-      DATA_BUCKET = "test"
-      EPC_AUTH_TOKEN = "test"
-      ENGINE_SQS_URL = "test"
-      ENERGY_ASSESSMENTS_BUCKET = "test"
+      POSTGRES_USERNAME = local.db_credentials.db_assessment_model_username
+      POSTGRES_PASSWORD = local.db_credentials.db_assessment_model_password
       ADDRESS2UPRN_QUEUE_URL = data.terraform_remote_state.address2uprn.outputs.address2uprn_queue_url
       S3_BUCKET_NAME = data.terraform_remote_state.shared.outputs.retrofit_sap_data_bucket_name
     },