diff --git a/include/boost/archive/detail/decl.hpp b/include/boost/archive/detail/decl.hpp
index 0fa00754..d8ffb2e6 100644
--- a/include/boost/archive/detail/decl.hpp
+++ b/include/boost/archive/detail/decl.hpp
@@ -29,7 +29,6 @@
         #define BOOST_ARCHIVE_OR_WARCHIVE_DECL  BOOST_SYMBOL_EXPORT
     #else
         #define BOOST_ARCHIVE_DECL BOOST_SYMBOL_IMPORT
-        #define BOOST_ARCHIVE_OR_WARCHIVE_DECL  BOOST_SYMBOL_IMPORT
     #endif
     #if defined(BOOST_WARCHIVE_SOURCE)
         #define BOOST_WARCHIVE_DECL BOOST_SYMBOL_EXPORT