diff --git a/strings/base_meta.h b/strings/base_meta.h
index a94789699..937ca1832 100644
--- a/strings/base_meta.h
+++ b/strings/base_meta.h
@@ -45,9 +45,6 @@ namespace winrt::impl
 {
     using namespace std::literals;
 
-    template <typename Async>
-    void blocking_suspend(Async const& async);
-
     template <typename T>
     struct reference_traits;