diff --git a/src/core/mac/mac.cpp b/src/core/mac/mac.cpp
index 3f5a9f725..f58606828 100644
--- a/src/core/mac/mac.cpp
+++ b/src/core/mac/mac.cpp
@@ -2429,7 +2429,7 @@ void Mac::UpdateCsl(void)
     uint8_t  channel = GetCslChannel() ? GetCslChannel() : mRadioChannel;
 
     if (mLinks.UpdateCsl(period, channel, Get<Mle::Mle>().GetParent().GetRloc16(),
-                         &Get<Mle::Mle>().GetParent().GetExtAddress()))
+                         Get<Mle::Mle>().GetParent().GetExtAddress()))
     {
         if (Get<Mle::Mle>().IsChild())
         {
diff --git a/src/core/mac/mac_links.hpp b/src/core/mac/mac_links.hpp
index 8de50f392..592d48e0b 100644
--- a/src/core/mac/mac_links.hpp
+++ b/src/core/mac/mac_links.hpp
@@ -471,7 +471,7 @@ public:
      * @retval  TRUE if CSL Period or CSL Channel changed.
      * @retval  FALSE if CSL Period and CSL Channel did not change.
      */
-    bool UpdateCsl(uint16_t aPeriod, uint8_t aChannel, otShortAddress aShortAddr, const otExtAddress *aExtAddr)
+    bool UpdateCsl(uint16_t aPeriod, uint8_t aChannel, ShortAddress aShortAddr, const ExtAddress &aExtAddr)
     {
         bool retval = false;
 
diff --git a/src/core/mac/sub_mac.hpp b/src/core/mac/sub_mac.hpp
index 2a472d5f5..b0cf14566 100644
--- a/src/core/mac/sub_mac.hpp
+++ b/src/core/mac/sub_mac.hpp
@@ -386,7 +386,7 @@ public:
      * @retval  TRUE if CSL Period or CSL Channel changed.
      * @retval  FALSE if CSL Period and CSL Channel did not change.
      */
-    bool UpdateCsl(uint16_t aPeriod, uint8_t aChannel, otShortAddress aShortAddr, const otExtAddress *aExtAddr);
+    bool UpdateCsl(uint16_t aPeriod, uint8_t aChannel, ShortAddress aShortAddr, const ExtAddress &aExtAddr);
 
     /**
      * Returns parent CSL accuracy (clock accuracy and uncertainty).
diff --git a/src/core/mac/sub_mac_csl_receiver.cpp b/src/core/mac/sub_mac_csl_receiver.cpp
index bef89c579..1b75e3af6 100644
--- a/src/core/mac/sub_mac_csl_receiver.cpp
+++ b/src/core/mac/sub_mac_csl_receiver.cpp
@@ -107,7 +107,7 @@ exit:
     return;
 }
 
-bool SubMac::UpdateCsl(uint16_t aPeriod, uint8_t aChannel, otShortAddress aShortAddr, const otExtAddress *aExtAddr)
+bool SubMac::UpdateCsl(uint16_t aPeriod, uint8_t aChannel, ShortAddress aShortAddr, const ExtAddress &aExtAddr)
 {
     bool diffPeriod  = aPeriod != mCslPeriod;
     bool diffChannel = aChannel != mCslChannel;
diff --git a/src/core/radio/radio.hpp b/src/core/radio/radio.hpp
index 321ac4b12..4d35a3f18 100644
--- a/src/core/radio/radio.hpp
+++ b/src/core/radio/radio.hpp
@@ -540,7 +540,7 @@ public:
      * @retval  kErrorFailed         Other platform specific errors.
      * @retval  kErrorNone           Successfully enabled or disabled CSL.
      */
-    Error EnableCsl(uint32_t aCslPeriod, otShortAddress aShortAddr, const otExtAddress *aExtAddr);
+    Error EnableCsl(uint32_t aCslPeriod, Mac::ShortAddress aShortAddr, const Mac::ExtAddress &aExtAddr);
 
     /**
      * Resets CSL receiver in radio.
@@ -980,9 +980,9 @@ inline void Radio::UpdateCslSampleTime(uint32_t aCslSampleTime)
     otPlatRadioUpdateCslSampleTime(GetInstancePtr(), aCslSampleTime);
 }
 
-inline Error Radio::EnableCsl(uint32_t aCslPeriod, otShortAddress aShortAddr, const otExtAddress *aExtAddr)
+inline Error Radio::EnableCsl(uint32_t aCslPeriod, Mac::ShortAddress aShortAddr, const Mac::ExtAddress &aExtAddr)
 {
-    return otPlatRadioEnableCsl(GetInstancePtr(), aCslPeriod, aShortAddr, aExtAddr);
+    return otPlatRadioEnableCsl(GetInstancePtr(), aCslPeriod, aShortAddr, &aExtAddr);
 }
 
 inline Error Radio::ResetCsl(void) { return otPlatRadioResetCsl(GetInstancePtr()); }
@@ -1087,7 +1087,7 @@ inline Error Radio::ReceiveAt(uint8_t, uint32_t, uint32_t) { return kErrorNone;
 #if OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
 inline void Radio::UpdateCslSampleTime(uint32_t) {}
 
-inline Error Radio::EnableCsl(uint32_t, otShortAddress aShortAddr, const otExtAddress *)
+inline Error Radio::EnableCsl(uint32_t, Mac::ShortAddress aShortAddr, const Mac::ExtAddress &)
 {
     return kErrorNotImplemented;
 }