diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9a189723..46f1c9ed 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5667,13 +5667,10 @@ expected-test-failures:
     # https://github.com/lehins/massiv/issues/98
     - massiv-test
 
-    #
-    # - krank
-
-    #
+    # https://github.com/kazu-yamamoto/dns/issues/153
     - dns
 
-    #
+    # https://github.com/dhall-lang/dhall-haskell/issues/1891
     - dhall-lsp-server
 
 # end of expected-test-failures