diff --git a/limmutable.c b/limmutable.c
index a9aab78..e6e4c4c 100644
--- a/limmutable.c
+++ b/limmutable.c
@@ -16,9 +16,6 @@
 #include "lua.h"
 #include "lauxlib.h"
 
-#define MYNAME "immutable"
-#define MYTYPE MYNAME
-
 // The C API changed from 5.1 to 5.2, so these shims help the code compile on >=5.2
 #if LUA_VERSION_NUM >= 502
 #define lua_objlen(L, i) lua_rawlen(L, i)