diff --git a/zsdk_config/zsdk_ble_slave_config.h b/zsdk_config/zsdk_ble_slave_config.h
index b3e08c1..d6dcfa4 100644
--- a/zsdk_config/zsdk_ble_slave_config.h
+++ b/zsdk_config/zsdk_ble_slave_config.h
@@ -6313,7 +6313,7 @@
  
 
 #ifndef APP_TIMER_CONFIG_USE_SCHEDULER
-#define APP_TIMER_CONFIG_USE_SCHEDULER 1
+#define APP_TIMER_CONFIG_USE_SCHEDULER 0
 #endif
 
 // <q> APP_TIMER_KEEPS_RTC_ACTIVE  - Enable RTC always on