diff --git a/rollup/README.md b/rollup/README.md
index 162341653..584327b76 100644
--- a/rollup/README.md
+++ b/rollup/README.md
@@ -22,18 +22,8 @@ make rollup_bins
 
 (Note: make sure you use different private keys for different senders in config.json.)
 
-* use default ports and config.json.
-
 ```bash
-./build/bin/event_watcher --http
-./build/bin/gas_oracle --http
-./build/bin/rollup_relayer --http
-```
-
-* use specified ports and config.json
-
-```bash
-./build/bin/event_watcher --config ./config.json --http --http.addr localhost --http.port 8290
-./build/bin/gas_oracle --config ./config.json --http --http.addr localhost --http.port 8290
-./build/bin/rollup_relayer --config ./config.json --http --http.addr localhost --http.port 8290
+./build/bin/event_watcher --config ./config.json
+./build/bin/gas_oracle --config ./config.json
+./build/bin/rollup_relayer --config ./config.json
 ```