diff --git a/binder/postBuild b/binder/postBuild
index 29041fe..bdebe91 100644
--- a/binder/postBuild
+++ b/binder/postBuild
@@ -6,23 +6,4 @@ FILES="docs/demo_*.md"
 for f in $FILES
 do
   jupytext $f --to ipynb
-  <!-- echo "Processing $f file..."
-  # take action on each file. $f store current file name
-  cat "$f" -->
 done
-
-<!-- jupytext demo_reg.md --to ipynb
-jupytext demo_vocab.md --to ipynb
-
-invoke build --env-name=root --no-kernel
-invoke demofiles
-invoke talk -t demo
-rm -rf demofiles
-rm -rf notebooks
-rm -rf narrative
-rm -rf slides
-rm demo/notebooks/Julia.ipynb
-jupyter lab clean
-
-# Setup a workspace
-jupyter lab workspaces import binder/workspace.json -->