diff --git a/build-constraints.yaml b/build-constraints.yaml
index 63c84ca1..0b983013 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1893,13 +1893,6 @@ packages:
         - hse-cpp
 
     "Stackage upper bounds":
-        # https://github.com/fpco/stackage/issues/946
-        - cereal < 0.5
-        - messagepack < 0.5.0
-        - messagepack-rpc < 0.5.1
-        - DRBG < 0.5.5
-        - safecopy < 0.9
-
         # https://github.com/fpco/stackage/issues/1091
         - HTTP < 4000.3