diff --git a/build-constraints.yaml b/build-constraints.yaml
index b9f80806..0eb9e56f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3413,9 +3413,6 @@ packages:
         # https://github.com/fpco/stackage/issues/3535
         - foldl < 1.4.0
 
-        # https://github.com/fpco/stackage/issues/3538
-        - X11 < 1.9
-
         # https://github.com/fpco/stackage/issues/3540
         - hmatrix < 0.19
         - hmatrix-gsl < 0.19