diff --git a/build-constraints.yaml b/build-constraints.yaml
index efbc3475..b973f2be 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2730,12 +2730,6 @@ packages:
         # https://github.com/fpco/stackage/issues/2136
         - X11 < 1.7
 
-        # https://github.com/fpco/stackage/issues/2143
-        - cryptonite < 0.21
-        - memory < 0.14
-        - tls < 1.3.9
-        - cacophony < 0.9.0
-
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of