diff --git a/include/windows/osd.h b/include/windows/osd.h
index d9698bd9724..efd3bf0d125 100644
--- a/include/windows/osd.h
+++ b/include/windows/osd.h
@@ -930,11 +930,6 @@ static inline char *strcasestr(const char *haystack, const char *needle)
 	return pos;
 }
 
-static inline char *strtok_r(char *str, const char *delimiters, char **saveptr)
-{
-	return strtok_s(str, delimiters, saveptr);
-}
-
 #ifndef _SC_PAGESIZE
 #define _SC_PAGESIZE	0
 #endif