diff --git a/code/nrf-connect/samples/zigbee/src/debug_counters.c b/code/nrf-connect/samples/zigbee/src/debug_counters.c
index a75f1f3..af57042 100644
--- a/code/nrf-connect/samples/zigbee/src/debug_counters.c
+++ b/code/nrf-connect/samples/zigbee/src/debug_counters.c
@@ -108,24 +108,3 @@ int prst_debug_counters_get_all(prst_debug_counters_callback_t callback) {
   }
   return fs_closedir(&dirp);
 }
-
-typedef struct {
-  struct k_work work;
-  const char* counter_name;
-} counter_increment_work_t;
-
-static void increment_counter_callback(struct k_work* work) {
-  counter_increment_work_t* counter_work = CONTAINER_OF(work, counter_increment_work_t, work);
-  LOG_DBG("Incrementing counter callback for %s", counter_work->counter_name);
-  prst_debug_counters_increment(counter_work->counter_name);
-  free(counter_work);
-  LOG_DBG("Freed memory for %s", counter_work->counter_name);
-}
-
-int prst_debug_counters_increment_async(const char* counter_name) {
-  counter_increment_work_t* work = malloc(sizeof(counter_increment_work_t));
-  work->counter_name = counter_name;
-  k_work_init(&work->work, increment_counter_callback);
-  LOG_DBG("Scheduling increment of %s", counter_name);
-  return k_work_submit(&work->work);
-}
\ No newline at end of file
diff --git a/code/nrf-connect/samples/zigbee/src/debug_counters.h b/code/nrf-connect/samples/zigbee/src/debug_counters.h
index 3000102..84a511c 100644
--- a/code/nrf-connect/samples/zigbee/src/debug_counters.h
+++ b/code/nrf-connect/samples/zigbee/src/debug_counters.h
@@ -11,8 +11,6 @@ int prst_debug_counters_init();
 
 int prst_debug_counters_increment(const char* counter_name);
 
-int prst_debug_counters_increment_async(const char* counter_name);
-
 int prst_debug_counters_get(const char* counter_name, prst_debug_counter_t* value);
 
 int prst_debug_counters_get_all(prst_debug_counters_callback_t callback);