diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2ea941a7..c4c49420 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7285,7 +7285,6 @@ expected-test-failures:
     - require # compilation failure https://github.com/commercialhaskell/stackage/issues/6093
     - secp256k1-haskell # #5948/closed
     - servant-static-th # Tasty issue: https://github.com/commercialhaskell/stackage/issues/6090
-    - sexp-grammar # https://github.com/esmolanka/sexp-grammar/issues/21
     - snap-core # random 1.2
     - string-random # https://github.com/hiratara/hs-string-random/issues/16
     - text-icu # https://github.com/bos/text-icu/issues/32
@@ -7520,7 +7519,6 @@ expected-benchmark-failures:
     - incremental-parser # 0.5.0.2
     - lz4 # https://github.com/fpco/stackage/issues/3510
     - raaz # https://github.com/commercialhaskell/stackage/issues/4766
-    - sexp-grammar # https://github.com/esmolanka/sexp-grammar/issues/21
     - thyme
     - universum
     - xmlgen # https://github.com/skogsbaer/xmlgen/issues/6