diff --git a/build-constraints.yaml b/build-constraints.yaml
index 64bcf9f53..b765fac37 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8517,9 +8517,6 @@ package-flags:
     HsOpenSSL:
         fast-bignum: false
 
-    cabal-rpm:
-        old-locale: false
-
     NineP:
         bytestring-in-base: false