diff --git a/components/external/lua/lua/ldump.c b/components/external/lua/lua/ldump.c
index 79309403ece00f48c050a89b4dae72267be1654b..939ebe04bb087efae5fb92271e8d6426257b9cd5 100644
--- a/components/external/lua/lua/ldump.c
+++ b/components/external/lua/lua/ldump.c
@@ -5,7 +5,6 @@
 */
 
 #include <stddef.h>
-#include <sys/types.h>
 #include <string.h>
 
 #define ldump_c
diff --git a/components/external/lua/lua/luaconf.h b/components/external/lua/lua/luaconf.h
index eaf444fbbe1857f28275f37da991ad1c69a23269..03bbfc3abe3d0ef95e5e78c946eb8a623703bfaa 100644
--- a/components/external/lua/lua/luaconf.h
+++ b/components/external/lua/lua/luaconf.h
@@ -894,11 +894,6 @@ union luai_Cast { double l_d; long l_l; };
 ** without modifying the main part of the file.
 */
 
-#if !defined(LUA_CROSS_COMPILER)
-typedef short int16_t;
-typedef long int32_t;
-#endif
-
 /* If you define the next macro you'll get the ability to set rotables as
    metatables for tables/userdata/types (but the VM might run slower)
 */