diff --git a/voila/notebook_renderer.py b/voila/notebook_renderer.py
index 57ae2d72b..b1a47280e 100644
--- a/voila/notebook_renderer.py
+++ b/voila/notebook_renderer.py
@@ -298,7 +298,6 @@ async def _jinja_cell_generator(self, nb, kernel_id):
         await self._cleanup_resources()
 
     async def _cleanup_resources(self):
-        await ensure_async(self.executor.km.cleanup_resources())
         await ensure_async(self.executor.kc.stop_channels())
 
     async def load_notebook(self, path):