diff --git a/build-constraints.yaml b/build-constraints.yaml
index 78fd9f7b..6a64d72b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5803,7 +5803,6 @@ packages:
         - drawille < 0 # tried drawille-0.1.2.0, but its *library* does not support: containers-0.6.4.1
         - earcut < 0 # tried earcut-0.1.0.4, but its *library* does not support: base-4.15.1.0
         - easytest < 0 # tried easytest-0.3, but its *library* does not support: hedgehog-1.0.5
-        - ed25519 < 0 # tried ed25519-0.0.5.0, but its *library* does not support: ghc-prim-0.7.0
         - edit < 0 # tried edit-1.0.1.0, but its *library* does not support: QuickCheck-2.14.2
         - edit < 0 # tried edit-1.0.1.0, but its *library* does not support: base-4.15.1.0
         - effect-handlers < 0 # tried effect-handlers-0.1.0.8, but its *library* does not support: free-5.1.7