diff --git a/lib/linklist.c b/lib/linklist.c
index 0d1efdf3aa..272e153276 100644
--- a/lib/linklist.c
+++ b/lib/linklist.c
@@ -339,29 +339,6 @@ void list_delete_node(struct list *list, struct listnode *node)
 	listnode_free(node);
 }
 
-void list_add_list(struct list *list, struct list *add)
-{
-	struct listnode *n;
-
-	for (n = listhead(add); n; n = listnextnode(n))
-		listnode_add(list, n->data);
-}
-
-struct list *list_dup(struct list *list)
-{
-	struct list *new = list_new();
-	struct listnode *ln;
-	void *data;
-
-	new->cmp = list->cmp;
-	new->del = list->del;
-
-	for (ALL_LIST_ELEMENTS_RO(list, ln, data))
-		listnode_add(new, data);
-
-	return new;
-}
-
 void list_sort(struct list *list, int (*cmp)(const void **, const void **))
 {
 	struct listnode *ln, *nn;
diff --git a/lib/linklist.h b/lib/linklist.h
index ef914b965f..00cb9f8714 100644
--- a/lib/linklist.h
+++ b/lib/linklist.h
@@ -207,17 +207,6 @@ extern struct listnode *listnode_lookup(struct list *list, const void *data);
  */
 extern void *listnode_head(struct list *list);
 
-/*
- * Duplicate a list.
- *
- * list
- *    list to duplicate
- *
- * Returns:
- *    copy of the list
- */
-extern struct list *list_dup(struct list *l);
-
 /*
  * Sort a list in place.
  *
@@ -295,19 +284,6 @@ extern void list_delete_all_node(struct list *list);
  */
 extern void list_delete_node(struct list *list, struct listnode *node);
 
-/*
- * Append a list to an existing list.
- *
- * Runtime is O(N) where N = listcount(add).
- *
- * list
- *    list to append to
- *
- * add
- *    list to append
- */
-extern void list_add_list(struct list *list, struct list *add);
-
 /*
  * Delete all nodes which satisfy a condition from a list.
  * Deletes the node if cond function returns true for the node.