diff --git a/infra/dev/.env.example b/infra/dev/.env.example
index 2e7b095b7..fe192bffe 100644
--- a/infra/dev/.env.example
+++ b/infra/dev/.env.example
@@ -15,6 +15,5 @@ FRONT_REACT_APP_AUTH_URL=http://localhost:4000
 
 SERVER_HASURA_EVENT_HANDLER_SECRET_HEADER: secret
 SERVER_DATABASE_URL: postgres://postgres:postgrespassword@postgres:5432/default
-SERVER_HASURA_EVENT_HANDLER_SECRET_HEADER: secret
 
 POSTGRES_PASSWORD=postgrespassword
\ No newline at end of file