diff --git a/include/neuron/utils/utextend.h b/include/neuron/utils/utextend.h
index 600a0de3..ef406c9a 100644
--- a/include/neuron/utils/utextend.h
+++ b/include/neuron/utils/utextend.h
@@ -81,13 +81,7 @@ static inline UT_array *utarray_deep_clone(UT_array *array)
 
     utarray_new(result, &array->icd);
 
-    utarray_foreach(array, void *, elem)
-    {
-        void *dst = calloc(1, array->icd.sz);
-        assert(array->icd.copy != NULL);
-        array->icd.copy(dst, elem);
-        utarray_push_back(result, dst);
-    }
+    utarray_foreach(array, void *, elem) { utarray_push_back(result, elem); }
 
     return result;
 }
diff --git a/src/core/manager.c b/src/core/manager.c
index 50c13ff1..f3898174 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -155,7 +155,6 @@ void neu_manager_destroy(neu_manager_t *manager)
 
     UT_array *addrs = neu_node_manager_get_addrs_all(manager->node_manager);
 
-    neu_event_del_timer(manager->events, manager->timer_lev);
     neu_event_del_timer(manager->events, manager->timer_timestamp);
 
     header->type = NEU_REQ_NODE_UNINIT;
diff --git a/src/core/manager_internal.h b/src/core/manager_internal.h
index 0f5aef00..874ce1d1 100644
--- a/src/core/manager_internal.h
+++ b/src/core/manager_internal.h
@@ -42,8 +42,7 @@ typedef struct neu_manager {
 
     neu_event_timer_t *timer_timestamp;
 
-    neu_event_timer_t *timer_lev;
-    int64_t            timestamp_lev_manager;
+    int64_t timestamp_lev_manager;
 } neu_manager_t;
 
 int       neu_manager_add_plugin(neu_manager_t *manager, const char *library);