diff --git a/build-constraints.yaml b/build-constraints.yaml
index d03b3cc9..dc806cb3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4331,6 +4331,8 @@ hide:
 - binary-ieee754 # conflicts with data-binary-ieee754
 - rerebase # conflicts with base
 - matrices # conflicts with matrix
+- pretty-class # conflicts with pretty and prettyclass
+- prettyclass # conflicts with pretty and pretty-class
 
 # Cryptonite deprecations
 - cipher-aes