diff --git a/src/format.cc b/src/format.cc
index 6141d964..22fda622 100644
--- a/src/format.cc
+++ b/src/format.cc
@@ -55,7 +55,7 @@ vformat_to(buffer<char>&, string_view,
                type_identity_t<char>>>);
 }  // namespace detail
 
-template struct FMT_INSTANTIATION_DEF_API detail::basic_data<void>;
+template struct detail::basic_data<void>;
 
 // Workaround a bug in MSVC2013 that prevents instantiation of format_float.
 int (*instantiate_format_float)(double, int, detail::float_specs,