diff --git a/include/fmt/base.h b/include/fmt/base.h
index d4a8a4df..e446739f 100644
--- a/include/fmt/base.h
+++ b/include/fmt/base.h
@@ -2303,7 +2303,6 @@ template <typename T, typename Char, type TYPE> struct native_formatter {
     specs_.set_type(set ? presentation_type::debug : presentation_type::none);
   }
 
-  FMT_PRAGMA_CLANG(diagnostic ignored "-Wundefined-inline")
   template <typename FormatContext>
   FMT_CONSTEXPR auto format(const T& val, FormatContext& ctx) const
       -> decltype(ctx.out());