diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 4f0d6661..49aff6fd 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -41,7 +41,6 @@ jobs:
     - name: Build the book
       shell: bash -l {0}
       run: |
-        jupyter contrib nbextension install --user
         jupyter nbextension enable --py widgetsnbextension
         jupyter-book build .