diff --git a/environment_dev.yml b/environment_dev.yml
index e775db4..2e035c5 100644
--- a/environment_dev.yml
+++ b/environment_dev.yml
@@ -29,4 +29,3 @@ dependencies:
     - swolfpy_inputdata==1.1.*
     - swolfpy_processmodels==1.1.*
     - xlrd==1.2.0
-