diff --git a/expat/lib/expat_external.h b/expat/lib/expat_external.h
index 11f49a75..b3b6e74d 100644
--- a/expat/lib/expat_external.h
+++ b/expat/lib/expat_external.h
@@ -35,10 +35,6 @@
 
 /* External API definitions */
 
-#if defined(_MSC_EXTENSIONS) && ! defined(__BEOS__) && ! defined(__CYGWIN__)
-#  define XML_USE_MSC_EXTENSIONS 1
-#endif
-
 /* Expat tries very hard to make the API boundary very specifically
    defined.  There are two macros defined to control this boundary;
    each of these can be defined before including this header to
@@ -85,7 +81,7 @@
 #  ifndef XML_BUILDING_EXPAT
 /* using Expat from an application */
 
-#    ifdef XML_USE_MSC_EXTENSIONS
+#    if defined(_MSC_EXTENSIONS) && ! defined(__BEOS__) && ! defined(__CYGWIN__)
 #      define XMLIMPORT __declspec(dllimport)
 #    endif