diff --git a/build-constraints.yaml b/build-constraints.yaml
index ce127ee5..75cfb730 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -831,7 +831,7 @@ package-flags:
         old-time: false
 
     mtl-compat:
-        two-point-one: true
+        two-point-one: false
         two-point-two: false
 
 # By skipping a test suite, we do not pull in the build dependencies