diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0e5cdee2..4b112701 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3910,7 +3910,6 @@ packages:
     "Pavel Yakovlev <pavel@yakovlev.me> @zmactep":
         - hasbolt
         - uniprot-kb
-        - mmtf # 0 # 0.1.3.1 compile fail MonadFail
 
     "Christopher A. Gorski <cgorski@cgorski.org> @cgorski":
         - general-games