diff --git a/src/event_bus.c b/src/event_bus.c
index 636612f..51a310c 100644
--- a/src/event_bus.c
+++ b/src/event_bus.c
@@ -72,17 +72,6 @@ inline int event_bus_remove_topic(size_t id)
     return EXIT_SUCCESS;
 }
 
-int event_bus_change_topic_id(size_t old_id, size_t new_id)
-{
-    elem_t *topic_elem = linked_list_get_if(&game.event_bus.topics, condition_is_topic_id, &old_id);
-    if(!topic_elem) return_failure_int;
-
-    topic_t *topic = topic_elem->data;
-    topic->id = new_id;
-
-    return EXIT_SUCCESS;
-}
-
 // Args : va_list args
 static int action_execute_callback(elem_t *elem, void *arg)
 {
diff --git a/src/headers/event_bus.h b/src/headers/event_bus.h
index bfd2bae..5a15a69 100644
--- a/src/headers/event_bus.h
+++ b/src/headers/event_bus.h
@@ -30,7 +30,6 @@ int event_bus_exit(void);
 
 int event_bus_new_topic(size_t id);
 int event_bus_remove_topic(size_t id);
-int event_bus_change_topic_id(size_t old_id, size_t new_id);
 
 int event_bus_publish(size_t id, void *arg);
 int event_bus_subscribe(size_t id, callback_t callback, void *data);