diff --git a/docker-compose-cassandra.yml b/docker-compose-cassandra.yml
index c598fcf..9439946 100644
--- a/docker-compose-cassandra.yml
+++ b/docker-compose-cassandra.yml
@@ -11,8 +11,6 @@ services:
   storage:
     image: openzipkin/zipkin-cassandra:1.18.0
     container_name: cassandra
-    ports:
-      - 9042:9042
 
   # Switch storage type to Cassandra
   zipkin:
diff --git a/docker-compose-elasticsearch.yml b/docker-compose-elasticsearch.yml
index 39ff69f..b297801 100644
--- a/docker-compose-elasticsearch.yml
+++ b/docker-compose-elasticsearch.yml
@@ -11,9 +11,6 @@ services:
   storage:
     image: openzipkin/zipkin-elasticsearch:1.18.0
     container_name: elasticsearch
-    ports:
-      # http
-      - 9200:9200
 
   # Switch storage type to Elasticsearch
   zipkin:
diff --git a/docker-compose.yml b/docker-compose.yml
index d0a8b3d..0fb3f75 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -12,8 +12,6 @@ services:
   storage:
     image: openzipkin/zipkin-mysql:1.18.0
     container_name: mysql
-    ports:
-      - 3306:3306
 
   # The zipkin process services the UI, and also exposes a POST endpoint that
   # instrumentation can send trace data to. Scribe is enabled by default.