diff --git a/examples/chef/common/clusters/channel/ChannelManager.cpp b/examples/chef/common/clusters/channel/ChannelManager.cpp
index 8e5d25f1ecd771..88aca0f131b348 100644
--- a/examples/chef/common/clusters/channel/ChannelManager.cpp
+++ b/examples/chef/common/clusters/channel/ChannelManager.cpp
@@ -24,8 +24,6 @@
 #include <iostream>
 #include <sstream>
 #include <vector>
-#include <iostream>
-#include <sstream>
 
 using namespace chip;
 using namespace chip::app;
diff --git a/examples/chef/common/stubs.cpp b/examples/chef/common/stubs.cpp
index 0e539985fdbec3..edd95183c40c23 100644
--- a/examples/chef/common/stubs.cpp
+++ b/examples/chef/common/stubs.cpp
@@ -378,9 +378,7 @@ void MatterPostAttributeChangeCallback(const chip::app::ConcreteAttributePath &
  * emberAfPluginOnOffClusterServerPostInitCallback.
  *
  */
-void emberAfOnOffClusterInitCallback(EndpointId endpoint)
-{
-}
+void emberAfOnOffClusterInitCallback(EndpointId endpoint) {}
 
 #ifdef MATTER_DM_PLUGIN_AUDIO_OUTPUT_SERVER
 #include "audio-output/AudioOutputManager.h"