diff --git a/src/Control/Abstract/Evaluator.hs b/src/Control/Abstract/Evaluator.hs
index 745565a52..102299315 100644
--- a/src/Control/Abstract/Evaluator.hs
+++ b/src/Control/Abstract/Evaluator.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE ConstrainedClassMethods, DataKinds, DefaultSignatures, GeneralizedNewtypeDeriving, StandaloneDeriving, TypeFamilies, UndecidableInstances #-}
+{-# LANGUAGE ConstrainedClassMethods, TypeFamilies #-}
 module Control.Abstract.Evaluator where
 
 import Data.Abstract.Configuration