diff --git a/main/app_main.c b/main/app_main.c
index e8bfafd..68d8024 100644
--- a/main/app_main.c
+++ b/main/app_main.c
@@ -174,8 +174,6 @@ _Noreturn void app_main()
 
         while (1)
         {
-            last_wake_time = xTaskGetTickCount();
-
             ds18b20_convert_all(owb);
 
             // In this application all devices use the same resolution,