diff --git a/etc/environment-base.yml b/etc/environment-base.yml
index 5672a7b760..92f4a24904 100644
--- a/etc/environment-base.yml
+++ b/etc/environment-base.yml
@@ -15,4 +15,3 @@ dependencies:
   - pytest-order
   - coverage[toml]
   - sphinx
-  - pypower