diff --git a/include/efi_api.h b/include/efi_api.h
index fcd7483..8ea44b1 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -29,7 +29,6 @@
 };
 
 #define UINTN size_t
-typedef long INTN;
 typedef uint16_t *efi_string_t;
 
 #define EVT_TIMER				0x80000000