diff --git a/build-constraints.yaml b/build-constraints.yaml
index d879c876..2e49ae03 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1682,7 +1682,7 @@ packages:
     "Christiaan Baaij <christiaan.baaij@gmail.com> @christiaanb":
         - ghc-tcplugins-extra
         - ghc-typelits-extra
-        - ghc-typelits-knownnat
+        # - ghc-typelits-knownnat
         - ghc-typelits-natnormalise
         # - clash-prelude # GHC 8.2.1
         # - clash-lib # GHC 8.2.1