diff --git a/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAMD21/reset.h b/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAMD21/reset.h
index 698ec7d364..75216c4842 100644
--- a/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAMD21/reset.h
+++ b/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAMD21/reset.h
@@ -83,18 +83,6 @@ enum system_reset_cause {
  * @{
  */
 
-/**
- * \brief Reset the MCU.
- *
- * Resets the MCU and all associated peripherals and registers, except RTC, all 32KHz sources,
- * WDT (if ALWAYSON is set) and GCLK (if WRTLOCK is set).
- *
- */
-static inline void system_reset(void)
-{
-    NVIC_SystemReset();
-}
-
 /**
  * \brief Return the reset cause.
  *
diff --git a/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAML21/reset.h b/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAML21/reset.h
index e8200b54bf..0dde18a18d 100644
--- a/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAML21/reset.h
+++ b/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAML21/reset.h
@@ -121,18 +121,6 @@ enum system_wakeup_debounce_count {
  * @{
  */
 
-/**
- * \brief Reset the MCU.
- *
- * Resets the MCU and all associated peripherals and registers, except RTC,
- * OSC32KCTRL, RSTC, GCLK (if WRTLOCK is set), and I/O retention state of PM.
- *
- */
-static inline void system_reset(void)
-{
-    NVIC_SystemReset();
-}
-
 /**
  * \brief Get the reset cause.
  *
diff --git a/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAMR21/reset.h b/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAMR21/reset.h
index 698ec7d364..75216c4842 100644
--- a/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAMR21/reset.h
+++ b/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAMR21/reset.h
@@ -83,18 +83,6 @@ enum system_reset_cause {
  * @{
  */
 
-/**
- * \brief Reset the MCU.
- *
- * Resets the MCU and all associated peripherals and registers, except RTC, all 32KHz sources,
- * WDT (if ALWAYSON is set) and GCLK (if WRTLOCK is set).
- *
- */
-static inline void system_reset(void)
-{
-    NVIC_SystemReset();
-}
-
 /**
  * \brief Return the reset cause.
  *