diff --git a/build-constraints.yaml b/build-constraints.yaml
index 49189f5c..62c1a459 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -305,7 +305,7 @@ packages:
         - monadic-arrays
         - monad-products
         - monad-products
-        - monad-st
+        # GHC 8 - monad-st
         - mtl
         - nats
         - numeric-extras
@@ -1317,7 +1317,7 @@ packages:
     "Taylor Fausak <taylor@fausak.me> @tfausak":
         - autoexporter
         - bento
-        - ekg-statsd # Maintained by @tibbe.
+        # GHC 8 - ekg-statsd # Maintained by @tibbe.
         - flow
         - github-release
         - gpolyline # Maintained by @fegu.