diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8ba9c272..f7b5cd5d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -35,8 +35,6 @@ jobs:
           --health-interval 10s
           --health-timeout 5s
           --health-retries 10
-        ports:
-          - 5433:5433
       redis:
         image: redis
         options: >-
@@ -53,7 +51,6 @@ jobs:
           IRODS_AUTHENTICATION_SCHEME: native
           IRODS_DEFAULT_HASH_SCHEME: MD5
           IRODS_ICAT_DBSERVER: postgres-irods  # TODO: Use main postgres on 4.3
-          IRODS_ICAT_DBPORT: 5433              # TODO: Use main postgres on 4.3
           IRODS_ICAT_DBUSER: postgres
           IRODS_ICAT_DBPASS: postgres
           IRODS_ZONE_NAME: sodarZone