diff --git a/identified_vec/src/is_identified_vec_via.rs b/identified_vec/src/is_identified_vec_via.rs
index 7383c83..fea11b6 100644
--- a/identified_vec/src/is_identified_vec_via.rs
+++ b/identified_vec/src/is_identified_vec_via.rs
@@ -1,5 +1,7 @@
 use crate::conflict_resolution_choice::ConflictResolutionChoice;
-use crate::{Error, Identifiable, IdentifiedVecOf, IsIdentifiableVec, IsIdentifiableVecOf};
+use crate::{
+    Error, Identifiable, IdentifiedVecOf, IsIdentifiableVec, IsIdentifiableVecOf, ItemsCloned,
+};
 
 /// https://stackoverflow.com/a/66537661/1311272
 pub trait ViaMarker {}
@@ -33,6 +35,17 @@ where
     }
 }
 
+impl<Element, U> ItemsCloned<Element> for U
+where
+    U: ViaMarker,
+    Element: Identifiable + Clone,
+    U: IsIdentifiableVecOfVia<Element>,
+{
+    fn items(&self) -> Vec<Element> {
+        self.via().items()
+    }
+}
+
 impl<Element, U> IsIdentifiableVec<Element, Element::ID> for U
 where
     U: ViaMarker,
diff --git a/identified_vec/src/lib.rs b/identified_vec/src/lib.rs
index 91ba1ad..aa673c4 100644
--- a/identified_vec/src/lib.rs
+++ b/identified_vec/src/lib.rs
@@ -116,7 +116,6 @@
 //! let numbers = IdentifiedVec::<u32, u32>::new_identifying_element(|e| *e);
 //! ```
 
-mod Is_identifiable_vec;
 mod conflict_resolution_choice;
 mod errors;
 mod identifiable_trait;
diff --git a/identified_vec/src/vec.rs b/identified_vec/src/vec.rs
index b49566e..5af645e 100644
--- a/identified_vec/src/vec.rs
+++ b/identified_vec/src/vec.rs
@@ -646,7 +646,14 @@ where
     }
 }
 
-impl<I, E> IdentifiedVec<I, E>
+pub trait ItemsCloned<Element>
+where
+    Element: Clone,
+{
+    fn items(&self) -> Vec<Element>;
+}
+
+impl<I, E> ItemsCloned<E> for IdentifiedVec<I, E>
 where
     E: Clone,
     I: Eq + Hash + Clone + Debug,
@@ -659,7 +666,7 @@ where
     ///
     /// - Complexity: O(n)
     #[inline]
-    pub fn items(&self) -> Vec<E> {
+    fn items(&self) -> Vec<E> {
         self.iter().map(|e| e.clone()).collect()
     }
 }
diff --git a/identified_vec_macros/src/lib.rs b/identified_vec_macros/src/lib.rs
index 56a6915..350e8e6 100644
--- a/identified_vec_macros/src/lib.rs
+++ b/identified_vec_macros/src/lib.rs
@@ -17,12 +17,5 @@ macro_rules! newtype_identified_vec {
                 Self(identified_vec_of)
             }
         }
-
-        impl $struct_name {
-            #[inline]
-            pub fn items(&self) -> Vec<$item_ty> {
-                self.0.items()
-            }
-        }
     };
 }
diff --git a/tests/tests.rs b/tests/tests.rs
index e7ba4c9..defbc62 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -3,7 +3,7 @@ use std::{cell::RefCell, collections::HashSet, fmt::Debug, ops::Deref};
 use identified_vec::{
     ConflictResolutionChoice, Error, Identifiable, IdentifiedVec, IdentifiedVecOf,
     IdentifiedVecOfSerdeFailure, IsIdentifiableVec, IsIdentifiableVecOf, IsIdentifiableVecOfVia,
-    ViaMarker,
+    ItemsCloned, ViaMarker,
 };
 
 use identified_vec_macros::newtype_identified_vec;