diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1f48f795..01519f41 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3579,7 +3579,6 @@ packages:
         - Spock-lucid < 0 # GHC 8.4 via Spock
         - MFlow < 0 # GHC 8.4 via TCache
         - Workflow < 0 # GHC 8.4 via TCache
-        - datadog < 0 # GHC 8.4 via buffer-builder
         - hledger < 0 # GHC 8.4 via hledger-lib
         - hledger-interest < 0 # GHC 8.4 via hledger-lib
         - H < 0 # GHC 8.4 via inline-r