diff --git a/devtools/conda-envs/fep_env.yaml b/devtools/conda-envs/fep_env.yaml
index 3feb04a9..98069b1f 100644
--- a/devtools/conda-envs/fep_env.yaml
+++ b/devtools/conda-envs/fep_env.yaml
@@ -5,7 +5,6 @@ channels:
 dependencies:
   # Base depends
   - openmm
-  - versioneer
   - openmmtools
   - numpy
   - ipython