diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9c304e82..ffc90c05 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7843,7 +7843,6 @@ packages:
         - union-find < 0 # tried union-find-0.2, but its *library* requires base >=4.4 && < 4.17 and the snapshot contains base-4.18.1.0
         - uniprot-kb < 0 # tried uniprot-kb-0.1.2.0, but its *library* requires attoparsec >=0.10 && < 0.14 and the snapshot contains attoparsec-0.14.4
         - uniprot-kb < 0 # tried uniprot-kb-0.1.2.0, but its *library* requires text >=0.2 && < 1.3 and the snapshot contains text-2.0.2
-        - unliftio-pool < 0 # tried unliftio-pool-0.4.2.0, but its *library* requires transformers >=0.5 && < 0.6 and the snapshot contains transformers-0.6.1.0
         - urbit-hob < 0 # tried urbit-hob-0.3.3, but its *library* requires text >=1.2 && < 2 and the snapshot contains text-2.0.2
         - uri-templater < 0 # tried uri-templater-0.3.1.0, but its *library* requires trifecta >=1.6 && < 1.8 and the snapshot contains trifecta-2.1.3
         - userid < 0 # tried userid-0.1.3.7, but its *library* requires aeson >=0.9 && < 2.1 and the snapshot contains aeson-2.1.2.1