diff --git a/Dockerfile b/Dockerfile
index c5c1426..ea97655 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,6 @@ ENV NODE_ENV=production
 WORKDIR /DockerRegistryWebUI
 COPY ["package.json", "package-lock.json*", "./"]
 COPY . .
-ARG REGISTRY_URL
-ENV REACT_APP_REGISTRY_URL=$REGISTRY_URL
 ENV GENERATE_SOURCEMAP false
 RUN npm install
 RUN chmod +x run