diff --git a/src/lua/luaconf.h b/src/lua/luaconf.h
index 9eeeea69e205..ce322efcf6cd 100644
--- a/src/lua/luaconf.h
+++ b/src/lua/luaconf.h
@@ -755,11 +755,7 @@
 ** smaller buffer would force a memory allocation for each call to
 ** 'string.format'.)
 */
-#if LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE
 #define LUAL_BUFFERSIZE		8192
-#else
-#define LUAL_BUFFERSIZE   ((int)(0x80 * sizeof(void*) * sizeof(lua_Integer)))
-#endif
 
 /* }================================================================== */