Removed set_loglevel remote control command that was never working, and

undocumented

celery/worker/control/builtins.py

@@ -43,19 +43,10 @@ def disable_events(panel):
 @Panel.register
 def heartbeat(panel):
     panel.logger.debug("Heartbeat requested by remote.")
-    dispatcher = panel.listener.event_dispatcher
+    dispatcher = panel.consumer.event_dispatcher
     dispatcher.send("worker-heartbeat")
 
 
-@Panel.register
-def set_loglevel(panel, loglevel=None):
-    if loglevel is not None:
-        if not isinstance(loglevel, int):
-            loglevel = LOG_LEVELS[loglevel.upper()]
-        panel.app.log.get_default_logger(loglevel=loglevel)
-    return {"ok": loglevel}
-
-
 @Panel.register
 def rate_limit(panel, task_name, rate_limit, **kwargs):
     """Set new rate limit for a task type.