diff --git a/src/etc/rc.syshook.d/update/10-refresh.sh b/src/etc/rc.syshook.d/update/10-refresh.sh
index ae5eee6b91..dd3366d993 100755
--- a/src/etc/rc.syshook.d/update/10-refresh.sh
+++ b/src/etc/rc.syshook.d/update/10-refresh.sh
@@ -2,3 +2,6 @@
 
 # refresh relevant configuration files
 /usr/local/etc/rc.configure_firmware
+
+# remove our stale pyc files not handled by pkg
+find /usr/local/opnsense -type f -name "*.pyc" -delete