1 files changed, 0 insertions, 25 deletions

diff --git a/src/tools.h b/src/tools.h
index 708421c..8e8bb7d 100644
--- a/src/tools.h
+++ b/src/tools.h
@@ -16,31 +16,6 @@
 #define inline __inline
 #endif
 
-// code is now using Lua 5.2 API
-// add Lua 5.2 API when building for Lua 5.1
-#if LUA_VERSION_NUM == 501
-#define lua_absindex( L, idx) (((idx) >= 0 || (idx) <= LUA_REGISTRYINDEX) ? (idx) : lua_gettop(L) + (idx) +1)
-#define lua_pushglobaltable(L) lua_pushvalue( L, LUA_GLOBALSINDEX)
-#define lua_setuservalue lua_setfenv
-#define lua_getuservalue lua_getfenv
-#define lua_rawlen lua_objlen
-#define luaG_registerlibfuncs( L, _funcs) luaL_register( L, NULL, _funcs)
-#define LUA_OK 0
-#define LUA_ERRGCMM 666 // doesn't exist in Lua 5.1, we don't care about the actual value
-void luaL_requiref (lua_State* L, const char* modname, lua_CFunction openf, int glb); // implementation copied from Lua 5.2 sources
-#endif // LUA_VERSION_NUM == 501
-
-// wrap Lua 5.2 calls under Lua 5.1 API when it is simpler that way
-#if LUA_VERSION_NUM == 502
-#ifndef lua_equal // already defined when compatibility is active in luaconf.h
-#define lua_equal( L, a, b) lua_compare( L, a, b, LUA_OPEQ)
-#endif // lua_equal
-#ifndef lua_lessthan // already defined when compatibility is active in luaconf.h
-#define lua_lessthan( L, a, b) lua_compare( L, a, b, LUA_OPLT)
-#endif // lua_lessthan
-#define luaG_registerlibfuncs( L, _funcs) luaL_setfuncs( L, _funcs, 0)
-#endif // LUA_VERSION_NUM == 502
-
 // For some reason, LuaJIT 64bits doesn't support lua_newstate()
 // If you build specifically for this situation, change value to 0
 #define PROPAGATE_ALLOCF 1