diff --git a/src/Diff/Arbitrary.hs b/src/Diff/Arbitrary.hs
index bdd4fadd1..d08397b7e 100644
--- a/src/Diff/Arbitrary.hs
+++ b/src/Diff/Arbitrary.hs
@@ -4,7 +4,6 @@ import Diff
 import Data.Bifunctor.Join
 import Data.Bifunctor.Join.Arbitrary ()
 import Data.Functor.Foldable (unfold)
-import qualified Data.List as List
 import qualified Data.OrderedMap as Map
 import Patch
 import Patch.Arbitrary ()