diff --git a/m-core.h b/m-core.h
index 23252518..7354a508 100644
--- a/m-core.h
+++ b/m-core.h
@@ -818,7 +818,8 @@ m_core_hash (const void *str, size_t wrdlen)
 /* Define the default method. */
 #define M_INIT_DEFAULT(a)       ((a) = 0)
 #define M_SET_DEFAULT(a,b)      ((a) = (b))
-#define M_NOTHING_DEFAULT(a)    (void)a
+#define M_NOTHING_DEFAULT(...)  (void)1
+#define M_TRUE_DEFAULT(...)     true
 #define M_NEW_DEFAULT(a)        M_MEMORY_ALLOC(a)
 #define M_DEL_DEFAULT(a)        M_MEMORY_DEL(a)
 #define M_REALLOC_DEFAULT(t,p,s) M_MEMORY_REALLOC(t,p,s)
diff --git a/m-dict.h b/m-dict.h
index 02f887c0..a77ab3a7 100644
--- a/m-dict.h
+++ b/m-dict.h
@@ -66,8 +66,8 @@
   ARRAY_DEF(M_C(list_dict_pair_,name), M_C3(list_dict_pair_,name,_t), LIST_OPLIST(M_C(dict_pair_, name), TUPLE_OPLIST(M_C(dict_pair_, name), key_oplist))) \
                                                                         \
   DICTI_DEF2_FUNC(name, key_type, key_oplist, key_type,                 \
-                  (INIT(DICTI_EMPTY_FUNC), INIT_SET(DICTI_EMPTY_FUNC), SET(DICTI_EMPTY_FUNC), CLEAR(DICTI_EMPTY_FUNC), \
-                   EQUAL(DICTI_EMPTY_FUNC), GET_STR(DICTI_EMPTY_FUNC), OUT_STR(DICTI_EMPTY_FUNC), IN_STR(DICTI_RETURN_TRUE)), 1)
+                  (INIT(M_NOTHING_DEFAULT), INIT_SET(M_NOTHING_DEFAULT), SET(M_NOTHING_DEFAULT), CLEAR(M_NOTHING_DEFAULT), \
+                   EQUAL(M_NOTHING_DEFAULT), GET_STR(M_NOTHING_DEFAULT), OUT_STR(M_NOTHING_DEFAULT), IN_STR(M_TRUE_DEFAULT)), 1)
 
 
 /* Define the oplist of a dictionnary.
@@ -80,11 +80,6 @@
 
 /********************************** INTERNAL ************************************/
 
-/* Do nothing !*/
-#define DICTI_EMPTY_FUNC(...) /* empty */
-/* Return true! */
-#define DICTI_RETURN_TRUE(...) true
-
 #define DICTI_DEF2_FUNC(name, key_type, key_oplist, value_type, value_oplist, isSet) \
                                                                         \
   typedef struct M_C3(dict_, name, _s) {                                \