diff --git a/build-constraints.yaml b/build-constraints.yaml
index f0d50f7c..36ddabdd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1231,9 +1231,6 @@ packages:
         - warp < 3.1
         - warp-tls < 3.1
 
-        # https://github.com/fpco/stackage/issues/706
-        - extra < 1.4
-
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: