diff --git a/src/event_bus.c b/src/event_bus.c
index faee90e..0530645 100644
--- a/src/event_bus.c
+++ b/src/event_bus.c
@@ -134,3 +134,21 @@ int event_bus_subscribe(event_bus_t *event_bus, size_t id, callback_t callback,
 
     return EXIT_SUCCESS;
 }
+
+// Arg : callback_t callback
+static inline bool condition_is_callback(elem_t *elem, va_list args)
+{
+    return ((subscription_t *)elem->data)->callback == va_arg(args, callback_t);
+}
+
+int event_bus_unsubscribe(event_bus_t *event_bus, size_t id, callback_t callback)
+{
+    elem_t *topic_elem = linked_list_get_if(&event_bus->topics, condition_is_topic_id, id);
+    if(!topic_elem) return_failure_int;
+
+    topic_t *topic = topic_elem->data;
+
+    if(linked_list_remove_if(&topic->subscriptions, condition_is_callback, callback)) return_failure_int;
+
+    return EXIT_SUCCESS;
+}
diff --git a/src/headers/event_bus.h b/src/headers/event_bus.h
index c5371b0..d961035 100644
--- a/src/headers/event_bus.h
+++ b/src/headers/event_bus.h
@@ -35,5 +35,6 @@ int event_bus_change_topic_id(event_bus_t *event_bus, size_t old_id, size_t new_
 
 int event_bus_publish(event_bus_t *event_bus, size_t id, ...);
 int event_bus_subscribe(event_bus_t *event_bus, size_t id, callback_t callback, void *data);
+int event_bus_unsubscribe(event_bus_t *event_bus, size_t id, callback_t callback);
 
 #endif // EVENT_BUS_H
\ No newline at end of file