diff --git a/Include/osdefs.h b/Include/osdefs.h
index 3243944a1483e9..99d49777a69d9a 100644
--- a/Include/osdefs.h
+++ b/Include/osdefs.h
@@ -10,7 +10,6 @@ extern "C" {
 #ifdef MS_WINDOWS
 #define SEP L'\\'
 #define ALTSEP L'/'
-#define MAXPATHLEN 256
 #define DELIM L';'
 #endif