diff --git a/Dockerfile b/Dockerfile
index a0de1f1..50fa0a4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,3 @@ FROM postgres
 COPY ./initdb.sh /docker-entrypoint-initdb.d/initdb.sh
 EXPOSE 5432
 VOLUME ["/var/lib/postgresql/data"]
-ENV POSTGRES_USER=$POSTGRES_USER
-ENV POSTGRES_PASSWORD=$POSTGRES_PASSWORD
-ENV POSTGRES_MULTIPLE_DATABASES=$POSTGRES_MULTIPLE_DATABASES