diff --git a/build-constraints.yaml b/build-constraints.yaml
index 20355777..6adc576d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5106,7 +5106,6 @@ expected-test-failures:
     - hspec-expectations-pretty-diff # GHC 8 issue not reported upstream since issue tracker disabled
     - hweblib # https://github.com/aycanirican/hweblib/issues/3
     - libraft # https://github.com/commercialhaskell/stackage/issues/4337#issuecomment-462465921
-    - mixed-types-num # https://github.com/michalkonecny/mixed-types-num/issues/3
     - multiset # doctests require Glob, a hidden package
     - perf # https://github.com/fpco/stackage/pull/2859
     - picosat # https://github.com/fpco/stackage/pull/2382