diff --git a/debian/shadowsocks-libev.init b/debian/shadowsocks-libev.init
index df334dd8..bab7bfb8 100644
--- a/debian/shadowsocks-libev.init
+++ b/debian/shadowsocks-libev.init
@@ -58,7 +58,7 @@ do_start()
     start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $USER:$GROUP --exec $DAEMON --test > /dev/null \
         || return 1
     start-stop-daemon --start --quiet --pidfile $PIDFILE --chuid $USER:$GROUP --exec $DAEMON -- \
-        -c "$CONFFILE" -a "$USER" -u -f $PIDFILE $DAEMON_ARGS \
+        -c "$CONFFILE" -u -f $PIDFILE $DAEMON_ARGS \
         || return 2
 }
 
diff --git a/debian/shadowsocks-libev.service b/debian/shadowsocks-libev.service
index ce288151..7a1459c2 100644
--- a/debian/shadowsocks-libev.service
+++ b/debian/shadowsocks-libev.service
@@ -18,7 +18,7 @@ Type=simple
 EnvironmentFile=/etc/default/shadowsocks-libev
 User=nobody
 LimitNOFILE=32768
-ExecStart=/usr/bin/ss-server -a $USER -c $CONFFILE $DAEMON_ARGS
+ExecStart=/usr/bin/ss-server -c $CONFFILE $DAEMON_ARGS
 
 [Install]
 WantedBy=multi-user.target
diff --git a/src/manager.h b/src/manager.h
index b7d2e2cc..65d04137 100644
--- a/src/manager.h
+++ b/src/manager.h
@@ -45,7 +45,6 @@ struct manager_ctx {
     char *acl;
     char *user;
     char *plugin;
-    char *plugin_args;
     char *manager_address;
     char **hosts;
     int host_num;