diff --git a/jupyter_server/services/events/handlers.py b/jupyter_server/services/events/handlers.py
index 86d2f3adac..8bd533b55e 100644
--- a/jupyter_server/services/events/handlers.py
+++ b/jupyter_server/services/events/handlers.py
@@ -55,11 +55,11 @@ def open(self):
         """Routes events that are emitted by Jupyter Server's
         EventBus to a WebSocket client in the browser.
         """
-        self.event_logger.add_listener(listener=self.event_listener)  # type:ignore[arg-type]
+        self.event_logger.add_listener(listener=self.event_listener)
 
     def on_close(self):
         """Handle a socket close."""
-        self.event_logger.remove_listener(listener=self.event_listener)  # type:ignore[arg-type]
+        self.event_logger.remove_listener(listener=self.event_listener)
 
 
 def validate_model(data: Dict[str, Any]) -> None:
diff --git a/pyproject.toml b/pyproject.toml
index 9c31c85ef1..a01a52004d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -230,7 +230,6 @@ filterwarnings = [
   "always:unclosed <socket.socket:ResourceWarning",
   "module:Jupyter is migrating its paths to use standard platformdirs:DeprecationWarning",
   "ignore:jupyter_server.base.zmqhandlers module is deprecated in Jupyter Server 2.0:DeprecationWarning",
-  "ignore:zmq.eventloop.ioloop is deprecated in pyzmq 17:DeprecationWarning",
 ]
 
 [tool.coverage.report]