diff --git a/build-constraints.yaml b/build-constraints.yaml
index caad89c0..1c5ac737 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7961,9 +7961,6 @@ packages:
         - cabal-install < 3.14
         - cabal-install-solver < 3.14
 
-        # https://github.com/commercialhaskell/stackage/issues/7559
-        - Diff < 1.0
-
         # https://github.com/commercialhaskell/stackage/issues/7560
         - ihaskell < 0.12.0.0