diff --git a/thirdparty/markdown2html/md_parser/buffer.h b/thirdparty/markdown2html/md_parser/buffer.h
index bc5040151a..67254cf7b4 100644
--- a/thirdparty/markdown2html/md_parser/buffer.h
+++ b/thirdparty/markdown2html/md_parser/buffer.h
@@ -28,7 +28,6 @@ extern "C" {
 
 #if defined(_MSC_VER)
 #define __attribute__( x )
-#define inline
 #endif
 
 typedef enum