diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1917f511..4f1514fb 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4367,7 +4367,6 @@ packages:
         - hailgun < 0 # via http-client-0.6.1
         - language-puppet < 0 # via http-client-0.6.1
         - mbug < 0 # via http-client-0.6.1
-        - yam < 0 # via http-client-0.6.1
 
         - antiope-athena < 0 # via amazonka
         - antiope-core < 0 # via amazonka
@@ -4474,7 +4473,6 @@ packages:
         - antiope-sns < 0 # via amazonka-core
         - antiope-sqs < 0 # via amazonka-core
         - serverless-haskell < 0 # via amazonka-core
-        - yam-datasource < 0 # via yam
 
 
     "GHC upper bounds":