diff --git a/build-constraints.yaml b/build-constraints.yaml
index 51de0ee0..10813cc0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3471,9 +3471,6 @@ packages:
         - ghc-tcplugins-extra < 0.3 # https://github.com/fpco/stackage/issues/3599
         - ghc-typelits-extra < 0.2.5
 
-        # https://github.com/fpco/stackage/pull/3581
-        - validity < 0.6
-
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of