diff --git a/examples/platform/silabs/wifi/icd/BUILD.gn b/examples/platform/silabs/wifi/icd/BUILD.gn
index eed4e4e612..7b0e1b1fef 100644
--- a/examples/platform/silabs/wifi/icd/BUILD.gn
+++ b/examples/platform/silabs/wifi/icd/BUILD.gn
@@ -21,8 +21,8 @@ config("sleep-manager-config") {
 
 source_set("sleep-manager") {
   sources = [
-    "SiWxSleepManager.cpp",
-    "SiWxSleepManager.h",
+    "SleepManager.cpp",
+    "SleepManager.h",
   ]
 
   public_deps = [
diff --git a/examples/platform/silabs/wifi/icd/SleepManager.cpp b/examples/platform/silabs/wifi/icd/SleepManager.cpp
index 57a6e64ef0..8fc181ce19 100644
--- a/examples/platform/silabs/wifi/icd/SleepManager.cpp
+++ b/examples/platform/silabs/wifi/icd/SleepManager.cpp
@@ -1,19 +1,3 @@
-/*
- *    Copyright (c) 2024 Project CHIP Authors
- *
- *    Licensed under the Apache License, Version 2.0 (the "License");
- *    you may not use this file except in compliance with the License.
- *    You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *
- *    Unless required by applicable law or agreed to in writing, software
- *    distributed under the License is distributed on an "AS IS" BASIS,
- *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *    See the License for the specific language governing permissions and
- *    limitations under the License.
- */
-
 #include "SleepManager.h"
 
 using namespace chip::app;
diff --git a/examples/platform/silabs/wifi/icd/SleepManager.h b/examples/platform/silabs/wifi/icd/SleepManager.h
index 7897398b4a..80db24807c 100644
--- a/examples/platform/silabs/wifi/icd/SleepManager.h
+++ b/examples/platform/silabs/wifi/icd/SleepManager.h
@@ -1,16 +1,4 @@
-/*
- *    Copyright (c) 2024 Project CHIP Authors
- *
- *    Licensed under the Apache License, Version 2.0 (the "License");
- *    you may not use this file except in compliance with the License.
- *    You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *
- *    Unless required by applicable law or agreed to in writing, software
- *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
- * or implied. See the License for the specific language governing permissions and limitations under the License.
- */
+
 #pragma once
 
 #include <app/ReadHandler.h>
@@ -49,12 +37,12 @@ class SleepManager : public chip::app::ICDStateObserver, public chip::app::ReadH
      */
     CHIP_ERROR Init();
 
-    // ICDSateObserver implementation overrides
+    // ICDStateObserver implementation overrides
 
-    void OnEnterActiveMode() override;
-    void OnEnterIdleMode() override;
-    void OnTransitionToIdle() override { /* No execution logic */ }
-    void OnICDModeChange() override { /* No execution logic */ }
+    void OnEnterActiveMode();
+    void OnEnterIdleMode();
+    void OnTransitionToIdle() { /* No execution logic */ }
+    void OnICDModeChange() { /* No execution logic */ }
 
     // ReadHandler::ApplicationCallback implementation overrides