diff --git a/cv4/list-ops/list_ops.c b/cv4/list-ops/list_ops.c
deleted file mode 100644
index bf8ce3e..0000000
--- a/cv4/list-ops/list_ops.c
+++ /dev/null
@@ -1,53 +0,0 @@
-#include "list_ops.h"
-
-list_t *new_list(size_t length, list_element_t elements[]){
-    list_t* list = (list_t*)malloc(sizeof(list_t) + length * sizeof(list_element_t));
-    list->length = length;
-    memcpy(list->elements,elements, length*sizeof(list_element_t));
-    return NULL;
-}
-
-list_t *append_list(list_t *list1, list_t *list2){
-  return NULL;
-
-}
-
-list_t *filter_list(list_t *list, bool (*filter)(list_element_t)){
-  return NULL;
-
-}
-
-size_t length_list(list_t *list){
-  return 0;
-
-}
-
-list_t *map_list(list_t *list, list_element_t (*map)(list_element_t)){
-  return NULL;
-
-}
-
-list_element_t foldl_list(list_t *list, list_element_t initial,
-                          list_element_t (*foldl)(list_element_t,
-                                                  list_element_t)){
-  list_element_t res=0;
-  return res;
-
-}
-
-list_element_t foldr_list(list_t *list, list_element_t initial,
-                          list_element_t (*foldr)(list_element_t,
-                                                  list_element_t)){
-  list_element_t res=0;
-  return res;
-
-}
-
-list_t *reverse_list(list_t *list){
-  return NULL;
-
-}
-
-void delete_list(list_t *list){
-
-} 
\ No newline at end of file