diff --git a/nt/inc/ms-w32.h b/nt/inc/ms-w32.h
index 7cd2c4c50f4..baebc067058 100644
--- a/nt/inc/ms-w32.h
+++ b/nt/inc/ms-w32.h
@@ -328,10 +328,6 @@ typedef int pid_t;
 #endif
 #define isatty    _isatty
 #define _longjmp  longjmp
-/* MinGW64 defines lseek to invoke lseek64.  */
-#ifndef lseek
-#define lseek     _lseek
-#endif
 #define popen     _popen
 #define pclose    _pclose
 #define strdup    _strdup