diff --git a/examples/platform/silabs/SiWx917/BaseApplication.cpp b/examples/platform/silabs/SiWx917/BaseApplication.cpp
index f0dde1ffc39e80..62b5f4cc1bc361 100644
--- a/examples/platform/silabs/SiWx917/BaseApplication.cpp
+++ b/examples/platform/silabs/SiWx917/BaseApplication.cpp
@@ -166,7 +166,10 @@ CHIP_ERROR BaseApplication::Init(Identify * identifyObj)
     SILABS_LOG("APP: Done WiFi Init");
     /* We will init server when we get IP */
 
+    chip::DeviceLayer::PlatformMgr().LockChipStack();
     sWiFiNetworkCommissioningInstance.Init();
+    chip::DeviceLayer::PlatformMgr().UnlockChipStack();
+
 #endif
 
     // Create FreeRTOS sw timer for Function Selection.
diff --git a/examples/platform/silabs/efr32/BaseApplication.cpp b/examples/platform/silabs/efr32/BaseApplication.cpp
index e29797607f7e35..6ce48e736d121e 100644
--- a/examples/platform/silabs/efr32/BaseApplication.cpp
+++ b/examples/platform/silabs/efr32/BaseApplication.cpp
@@ -178,7 +178,10 @@ CHIP_ERROR BaseApplication::Init(Identify * identifyObj)
     SILABS_LOG("APP: Done WiFi Init");
     /* We will init server when we get IP */
 
+    chip::DeviceLayer::PlatformMgr().LockChipStack();
     sWiFiNetworkCommissioningInstance.Init();
+    chip::DeviceLayer::PlatformMgr().UnlockChipStack();
+
 #endif
 
     // Create FreeRTOS sw timer for Function Selection.
diff --git a/src/platform/silabs/platformAbstraction/WiseMCU_SPAM.cpp b/src/platform/silabs/platformAbstraction/WiseMCU_SPAM.cpp
index 816c9a6df4459d..7b5af3e6e87c2b 100644
--- a/src/platform/silabs/platformAbstraction/WiseMCU_SPAM.cpp
+++ b/src/platform/silabs/platformAbstraction/WiseMCU_SPAM.cpp
@@ -41,7 +41,7 @@ void SilabsPlatform::InitLed(void)
     SilabsPlatformAbstractionBase::InitLed();
 }
 
-CHIP_ERROR SilabsPlatform::SetLed(bool state, uint8_t led) override
+CHIP_ERROR SilabsPlatform::SetLed(bool state, uint8_t led)
 {
     // TODO add range check
     RSI_Board_LED_Set(led, state);
@@ -54,7 +54,7 @@ bool SilabsPlatform::GetLedState(uint8_t led)
     return SilabsPlatformAbstractionBase::GetLedState(led);
 }
 
-CHIP_ERROR SilabsPlatform::ToggleLed(uint8_t led) override
+CHIP_ERROR SilabsPlatform::ToggleLed(uint8_t led)
 {
     // TODO add range check
     RSI_Board_LED_Toggle(led);