diff --git a/environment.yml b/environment.yml
index d4c4b2fa..6b34bb73 100644
--- a/environment.yml
+++ b/environment.yml
@@ -14,7 +14,6 @@ dependencies:
   - packaging
   - pint
   - pip
-  - prettytable
   - pyepics
   - pyRestTable
   - spec2nexus