diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7814ab04..2497b0c9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2072,6 +2072,7 @@ packages:
         - web-routes-hsp
         - web-routes-th
         - web-routes-wai
+        - hsx2hs
 
     "Pedro Tacla Yamada <tacla.yamada@gmail.com> @yamadapc":
         - ascii-progress
@@ -2553,9 +2554,6 @@ packages:
         # https://github.com/fpco/stackage/issues/1863
         - newtype-generics < 0.4
         - MemoTrie < 0.6.5
-
-        # https://github.com/clckwrks/clckwrks/issues/4
-        - clckwrks < 0.23.19
 # end of packages