diff --git a/docker-compose.demo.yml b/docker-compose.demo.yml
index fd3c014..eeb09d9 100644
--- a/docker-compose.demo.yml
+++ b/docker-compose.demo.yml
@@ -48,8 +48,6 @@ services:
       - POSTGRES_DB=${DB_DATABASE}
       - POSTGRES_USER=${DB_USERNAME}
       - POSTGRES_PASSWORD=${DB_PASSWORD}
-    ports:
-      - "${DB_PORT}:5432"
     volumes:
       - db-data:/var/lib/postgresql/data
 
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index c2ba55c..b5a63e8 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -74,8 +74,6 @@ services:
       - POSTGRES_DB=${DB_DATABASE}
       - POSTGRES_USER=${DB_USERNAME}
       - POSTGRES_PASSWORD=${DB_PASSWORD}
-    ports:
-      - "${DB_PORT}:5432"
     volumes:
       - db-data:/var/lib/postgresql/data