diff --git a/docker/env/concordia.example.env b/docker/env/concordia.example.env
index fd28513..c593d66 100644
--- a/docker/env/concordia.example.env
+++ b/docker/env/concordia.example.env
@@ -15,10 +15,6 @@ VIRTUAL_PORT=3000
 CONCORDIA_HOST=0.0.0.0
 CONCORDIA_PORT=3000
 
-# react-scripts host and port vars
-HOST=0.0.0.0
-PORT=3000
-
 # Variables needed in runtime (in browser)
 REACT_APP_RENDEZVOUS_HOST=xx.xxx.xxx.xxx
 REACT_APP_RENDEZVOUS_PORT=9090