diff --git a/tmp/post_upgrade_command b/tmp/post_upgrade_command
index 577d06ee54..7dbb87b41d 100755
--- a/tmp/post_upgrade_command
+++ b/tmp/post_upgrade_command
@@ -27,4 +27,7 @@ if [ $KERNELTYPE = "SMP" ]; then
 fi
 if [ -d /kernels ]; then
 	rm -rf /kernels/*
-fi
\ No newline at end of file
+fi
+
+rm /var/run/config.lock
+/etc/rc.conf_mount_ro