diff --git a/src/cmc/multiset.h b/src/cmc/multiset.h
index bcdbbbb..0cd77cd 100644
--- a/src/cmc/multiset.h
+++ b/src/cmc/multiset.h
@@ -772,8 +772,8 @@ struct cmc_callbacks_multiset
     struct SNAME *PFX##_copy_of(struct SNAME *_set_)                           \
     {                                                                          \
         struct SNAME *result =                                                 \
-            PFX##_new_custom(_set_->capacity, _set_->load, _set_->f_val,       \
-                             _set_->alloc, _set_->callbacks);                  \
+            PFX##_new_custom(_set_->capacity * _set_->load, _set_->load,       \
+                             _set_->f_val, _set_->alloc, _set_->callbacks);    \
                                                                                \
         if (!result)                                                           \
             return NULL;                                                       \
diff --git a/src/utl/foreach.h b/src/utl/foreach.h
index 8d57a22..11362cd 100644
--- a/src/utl/foreach.h
+++ b/src/utl/foreach.h
@@ -11,26 +11,6 @@
 #ifndef CMC_FOR_EACH_H
 #define CMC_FOR_EACH_H
 
-#define CMC_FOR_EACH(PFX, SNAME, TARGET, BODY)                      \
-    do                                                              \
-    {                                                               \
-        for (struct SNAME##_iter iter = (TARGET)->it_start(TARGET); \
-             !PFX##_iter_end(&iter); PFX##_iter_next(&iter))        \
-        {                                                           \
-            BODY;                                                   \
-        }                                                           \
-    } while (0)
-
-#define CMC_FOR_EACH_REV(PFX, SNAME, TARGET, BODY)                \
-    do                                                            \
-    {                                                             \
-        for (struct SNAME##_iter iter = (TARGET)->it_end(TARGET); \
-             !PFX##_iter_start(&iter); PFX##_iter_prev(&iter))    \
-        {                                                         \
-            BODY;                                                 \
-        }                                                         \
-    } while (0)
-
 #define CMC_FOREACH(PFX, SNAME, ITERNAME, TARGET)                   \
     for (struct SNAME##_iter ITERNAME = (TARGET)->it_start(TARGET); \
          !PFX##_iter_end(&ITERNAME); PFX##_iter_next(&ITERNAME))