diff --git a/build-constraints.yaml b/build-constraints.yaml
index bf3bc027..d891bb1f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2220,10 +2220,6 @@ packages:
         # These are all temporary, and need to be removed before starting GHC 8
         - data-default < 0.7
         - data-default-class < 0.1
-
-        # This will almost certainly result in build failures. Used to
-        # work around shelly upper bound on time
-        - c2hs < 0
 # end of packages