diff --git a/TESTS/mbed_platform/watchdog_mgr_reset/main.cpp b/TESTS/mbed_platform/watchdog_mgr_reset/main.cpp
index df6e5b211a..3b6fe952e2 100644
--- a/TESTS/mbed_platform/watchdog_mgr_reset/main.cpp
+++ b/TESTS/mbed_platform/watchdog_mgr_reset/main.cpp
@@ -26,8 +26,6 @@
 #include "watchdog_mgr_reset_tests.h"
 #include "mbed.h"
 
-#define TIMEOUT_DELTA_MS 50UL
-
 #define MSG_VALUE_DUMMY "0"
 #define CASE_DATA_INVALID 0xffffffffUL
 #define CASE_DATA_PHASE2_OK 0xfffffffeUL
@@ -49,11 +47,6 @@ struct testcase_data {
     uint32_t received_data;
 };
 
-void release_sem(Semaphore *sem)
-{
-    sem->release();
-}
-
 testcase_data current_case;
 
 bool send_reset_notification(testcase_data *tcdata, uint32_t delay_ms)