diff --git a/components/C-Linked-List/list.c b/components/C-Linked-List/list.c
index c04e328..e83b30f 100644
--- a/components/C-Linked-List/list.c
+++ b/components/C-Linked-List/list.c
@@ -1,18 +1,5 @@
-#ifndef LIST_DEF
-#define LIST_DEF 1
-
-/*
- File:          list.c
- Description:   Implementation of linked list object functionality.
- Created:       March 21, 2017
- Author:        Matt Mumau
- */
-
-// System dependencies
-#include <stdlib.h>
-
-// Header
 #include "list.h"
+#include <stdlib.h>
 
 void list_push(List** head, void* data) {
     List* node = malloc(sizeof(List));
@@ -108,4 +95,10 @@ void list_remove(List** head, unsigned int index) {
     }
 }
 
-#endif
+void list_destroy(List** head) {
+    while (*head != NULL) {
+        List* tmp_cursor = *head;
+        *head = (*head)->next;
+        free(tmp_cursor);
+    }
+}
diff --git a/components/C-Linked-List/list.h b/components/C-Linked-List/list.h
index a340eaa..4108fba 100644
--- a/components/C-Linked-List/list.h
+++ b/components/C-Linked-List/list.h
@@ -1,46 +1,30 @@
 #ifndef LIST_H_DEF
-#define LIST_H_DEF 1
-
-/*
- File:          list.h
- Description:   Linked list library definition
- Created:       March 21, 2017
- Author:        Matt Mumau
- */
+#define LIST_H_DEF
 
 typedef struct List {
     void* data;
     struct List* next;
 } List;
 
-/*
- Push data to the end of the list.
- */
+// Push data to the end of the list.
 void list_push(List** head, void* data);
 
-/*
- Remove the final element of the list and return its data.
- */
+// Remove the final element of the list and return its data.
 void* list_pop(List** head);
 
-/*
- Insert the data object to the beginning of the list.
- */
+// Insert the data object to the beginning of the list.
 void list_insert(List** head, void* data);
 
-/*
- Get the size of the list.
- */
+// Get the size of the list.
 unsigned int list_sizeof(List* head);
 
-/*
- Get the data of the node at the given ordinal number in the list.
- */
+// Get the data of the node at the given ordinal number in the list.
 List* list_get(List* head, unsigned int index);
 
-/*
- Delete the item in the list at the given ordinal location (1 is the first).
- */
+// Delete the item in the list at the given ordinal location (1 is the first).
 void list_remove(List** head, unsigned int index);
 
+// Remove all element of the list and set the given ptr to NULL
+void list_destroy(List** head);
+
 #endif
diff --git a/main/cmd_can.c b/main/cmd_can.c
index 9aa2f3e..94c8106 100644
--- a/main/cmd_can.c
+++ b/main/cmd_can.c
@@ -4,6 +4,7 @@
 #include "esp_log.h"
 #include "hal/twai_types.h"
 #include "inttypes.h"
+#include "list.h"
 #include "sdkconfig.h"
 #include "freertos/projdefs.h"
 #include "string.h"
@@ -429,6 +430,13 @@ static int cansmartfilter(int argc, char **argv) {
         arg_print_errors(stderr, cansmart_args.end, argv[0]);
         return 1;
     }
+    list_destroy(&adv_filters.filters);
+    for (int i = 0; i < cansmart_args.filters->count; i++) {
+
+    }
+
+
+
     return 0;
 }