diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7015724e..dc58bb01 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3428,10 +3428,6 @@ packages:
         - llvm-hs < 6
         - llvm-hs-pure < 6
 
-        # https://github.com/fpco/stackage/issues/3334
-        # compilation failures
-        - extensible < 0.4.7.2
-
         # https://github.com/fpco/stackage/issues/3336
         # compilation failures
         - clay < 0.12.3