diff --git a/src/Data/Diff.hs b/src/Data/Diff.hs
index a22472eee..83befa8ef 100644
--- a/src/Data/Diff.hs
+++ b/src/Data/Diff.hs
@@ -22,7 +22,7 @@ import Data.Aeson
 import Data.Bifoldable
 import Data.Bifunctor
 import Data.Bitraversable
-import Data.Foldable (asum, toList)
+import Data.Foldable (asum)
 import Data.Functor.Classes
 import Data.Functor.Foldable hiding (fold)
 import Data.JSON.Fields