diff --git a/jupyter_server/gateway/handlers.py b/jupyter_server/gateway/handlers.py
index 627b02261e..fa80b61e80 100644
--- a/jupyter_server/gateway/handlers.py
+++ b/jupyter_server/gateway/handlers.py
@@ -87,7 +87,6 @@ def open(self, kernel_id, *args, **kwargs):
 
     def on_message(self, message):
         """Forward message to gateway web socket handler."""
-        self.log.debug("Sending message to gateway: {}".format(message))
         self.gateway.on_message(message)
 
     def write_message(self, message, binary=False):