diff --git a/samples/boards/stm32/power_mgmt/serial_wakeup/sample.yaml b/samples/boards/stm32/power_mgmt/serial_wakeup/sample.yaml
index e94c646de13..f6b2803117a 100644
--- a/samples/boards/stm32/power_mgmt/serial_wakeup/sample.yaml
+++ b/samples/boards/stm32/power_mgmt/serial_wakeup/sample.yaml
@@ -7,7 +7,6 @@ tests:
     harness_config:
       type: multi_line
       regex:
-        - "Device ready"
         - "Device is wakeup capable"
         - "Wakeup source enable ok"
         - "Wakeup source enabled"