diff --git a/seafile-server/Dockerfile b/seafile-server/Dockerfile
index f244752..40154af 100644
--- a/seafile-server/Dockerfile
+++ b/seafile-server/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.18.4 AS get
 
-RUN apk add --no-cache wget sed
+RUN apk add --no-cache wget
 
 ENV SEAFILE_SERVER=seafile-server SEAFILE_VERSION=11.0.1
 
@@ -9,8 +9,6 @@ RUN cd /tmp && \
     tar -zxvf seafile-server_${SEAFILE_VERSION}_x86-64.tar.gz && \
     rm -f seafile-server_${SEAFILE_VERSION}_x86-64.tar.gz
 
-RUN sed -i '1d' /tmp/seafile-server-${SEAFILE_VERSION}/seahub/thirdpart/wsgidav/seafile_dav_provider.py
-
 FROM ubuntu:jammy@sha256:2b7412e6465c3c7fc5bb21d3e6f1917c167358449fecac8176c6e496e5c1f05f AS pip
 
 RUN apt-get update && \