diff --git a/build-constraints.yaml b/build-constraints.yaml
index fdf64a60..b858f696 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1756,7 +1756,8 @@ packages:
 
     "Tim McGilchrist <timmcgil@gmail.com>  @tmcgilchrist":
         - riak
-        - airship
+        # https://github.com/helium/airship/issues/97
+        # - airship
 
     "Yuras Shumovich <shumovichy@gmai.com> @Yuras":
         - pdf-toolbox-core
@@ -2055,9 +2056,6 @@ packages:
         # https://github.com/fpco/stackage/issues/1227
         - diagrams-svg < 1.4
 
-        # https://github.com/fpco/stackage/issues/1240
-        - cryptohash < 0.11.7
-
         # https://github.com/fpco/stackage/issues/1258
         - language-c < 0.5.0