diff --git a/pkgs/development/compilers/carp/default.nix b/pkgs/development/compilers/carp/default.nix
index 209fc6aed611..1c7408f3a176 100644
--- a/pkgs/development/compilers/carp/default.nix
+++ b/pkgs/development/compilers/carp/default.nix
@@ -50,4 +50,7 @@ haskellPackages.mkDerivation rec {
   # Windows not (yet) supported.
   platforms   = with lib.platforms; unix ++ darwin;
 
+  # doesn't build on ghc92
+  hydraPlatforms = lib.platforms.none;
+  broken = true;
 }