diff --git a/environment.yml b/environment.yml
index 6fa37108..c6316426 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,7 +4,4 @@ channels:
 dependencies:
   - jupyter-book
   - jupyterlab
-  - jupyter_server
-  - pip
-  - pip:
-      - sphinx-pythia-theme
+  - sphinx-pythia-theme