diff --git a/build/docker/Dockerfile.grafana b/build/docker/Dockerfile.grafana
index ea1f597f..b8f38984 100644
--- a/build/docker/Dockerfile.grafana
+++ b/build/docker/Dockerfile.grafana
@@ -16,7 +16,6 @@ COPY --from=node /app/yaml_panel/dist /var/lib/grafana/plugins/antgroup-yaml-pan
 # Define the list of plugins to install, separated by spaces.
 ARG PLUGINS="" 
 
-ARG IFS=','
 # Install each plugin.
 ARG IFS=','
 RUN for plugin in $PLUGINS; do \