diff --git a/bitbake/lib/bb/cooker.py b/bitbake/lib/bb/cooker.py
index db034b9e83..2ee349e041 100644
--- a/bitbake/lib/bb/cooker.py
+++ b/bitbake/lib/bb/cooker.py
@@ -1576,7 +1576,7 @@ class BBCooker:
         return
 
     def post_serve(self):
-        prserv.serv.auto_shutdown(self.data)
+        prserv.serv.auto_shutdown()
         bb.event.fire(CookerExit(), self.data)
 
 
diff --git a/bitbake/lib/prserv/serv.py b/bitbake/lib/prserv/serv.py
index 3145689ba8..306f0a3c40 100644
--- a/bitbake/lib/prserv/serv.py
+++ b/bitbake/lib/prserv/serv.py
@@ -478,7 +478,7 @@ def auto_start(d):
         logger.critical("PRservice %s:%d not available" % (host, port))
         raise PRServiceConfigError
 
-def auto_shutdown(d=None):
+def auto_shutdown():
     global singleton
     if singleton:
         host, port = singleton.getinfo()