diff --git a/src/Data/Abstract/Eval3.hs b/src/Data/Abstract/Eval3.hs
index f69b9ace7..67558648f 100644
--- a/src/Data/Abstract/Eval3.hs
+++ b/src/Data/Abstract/Eval3.hs
@@ -5,7 +5,7 @@ module Data.Abstract.Eval3
 , Evaluatable(..)
 , runEval
 , Env'
--- , step
+, step
 , MonadGC(..)
 , MonadFail(..)
 , Recursive(..)