From 969f7e6c6c2530412c8f2219d7c513d4e5cf9c03 Mon Sep 17 00:00:00 2001
From: Tomasetti Romin <romin.tomasetti@gmail.com>
Date: Sun, 12 Apr 2026 18:24:25 +0200
Subject: [PATCH] domain: delete broken but unused `__has_common_domain`

---
 include/stdexec/__detail/__domain.hpp | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/include/stdexec/__detail/__domain.hpp b/include/stdexec/__detail/__domain.hpp
index 627822aa0..b28e902f2 100644
--- a/include/stdexec/__detail/__domain.hpp
+++ b/include/stdexec/__detail/__domain.hpp
@@ -171,10 +171,6 @@ namespace STDEXEC
   template <class... _Domains>
   using __common_domain_t = __t<__detail::__common_domain<_Domains...>>;
 
-  template <class... _Domains>
-  concept __has_common_domain =
-    __not_same_as<indeterminate_domain<>, __common_domain_t<_Domains...>>;
-
   template <class _Domain>
   using __ensure_valid_domain_t = __unless_one_of_t<_Domain, indeterminate_domain<>>;