diff --git a/examples/chef/common/chef-channel-manager.cpp b/examples/chef/common/chef-channel-manager.cpp
index 0a80da7c9a6128..4ccccfc6528780 100644
--- a/examples/chef/common/chef-channel-manager.cpp
+++ b/examples/chef/common/chef-channel-manager.cpp
@@ -18,8 +18,10 @@
 #include <app-common/zap-generated/attributes/Accessors.h>
 #include <app-common/zap-generated/callback.h>
 #include <app/util/config.h>
-#include <vector>
 
+using ChangeChannelResponseType = chip::app::Clusters::Channel::Commands::ChangeChannelResponse::Type;
+using ChannelInfoType           = chip::app::Clusters::Channel::Structs::ChannelInfoStruct::Type;
+using LineupInfoType            = chip::app::Clusters::Channel::Structs::LineupInfoStruct::Type;
 // Include Channel Cluster Server callbacks only when the server is enabled
 #ifdef EMBER_AF_PLUGIN_CHANNEL_SERVER
 #include <chef-channel-manager.h>
@@ -120,15 +122,17 @@ CHIP_ERROR ChefChannelManager::HandleGetCurrentChannel(app::AttributeValueEncode
 void ChefChannelManager::HandleChangeChannel(CommandResponseHelper<ChangeChannelResponseType> & helper,
                                              const chip::CharSpan & match)
 {
-    std::vector<ChannelInfoType> matchedChannels;
+    std::array<ChannelInfoType, kMaxChannels> matchedChannels;
+
     uint16_t index = 0;
+    uint16_t totalMatchedChannels = 0;
     for (auto const & channel : mChannels)
     {
         // verify if CharSpan matches channel name
         // or callSign or affiliateCallSign or majorNumber.minorNumber
         if (isChannelMatched(channel, match))
         {
-            matchedChannels.push_back(channel);
+            matchedChannels[totalMatchedChannels++] = (channel);
         }
         else if (matchedChannels.size() == 0)
         {
diff --git a/examples/chef/common/chef-channel-manager.h b/examples/chef/common/chef-channel-manager.h
index d12415b688bbde..864e22bf22f786 100644
--- a/examples/chef/common/chef-channel-manager.h
+++ b/examples/chef/common/chef-channel-manager.h
@@ -19,19 +19,8 @@
 #pragma once
 
 #include <app/clusters/channel-server/channel-server.h>
-#include <vector>
 
-using chip::CharSpan;
-using chip::app::AttributeValueEncoder;
-using chip::app::CommandResponseHelper;
-using ChannelDelegate           = chip::app::Clusters::Channel::Delegate;
-using ChangeChannelResponseType = chip::app::Clusters::Channel::Commands::ChangeChannelResponse::Type;
-using ChannelInfoType           = chip::app::Clusters::Channel::Structs::ChannelInfoStruct::Type;
-using LineupInfoType            = chip::app::Clusters::Channel::Structs::LineupInfoStruct::Type;
-
-#define CHEF_CHANNEL_MANAGER_MAX_CHANNELS 10
-
-class ChefChannelManager : public ChannelDelegate
+class ChefChannelManager : public chip::app::Clusters::Channel::Delegate
 {
 
 public:
@@ -41,7 +30,8 @@ class ChefChannelManager : public ChannelDelegate
     CHIP_ERROR HandleGetLineup(chip::app::AttributeValueEncoder & aEncoder);
     CHIP_ERROR HandleGetCurrentChannel(chip::app::AttributeValueEncoder & aEncoder);
 
-    void HandleChangeChannel(CommandResponseHelper<ChangeChannelResponseType> & helper, const chip::CharSpan & match);
+    void HandleChangeChannel(chip::app::CommandResponseHelper<chip::app::Clusters::Channel::Commands::ChangeChannelResponse::Type> & helper,
+        const chip::CharSpan & match);
     bool HandleChangeChannelByNumber(const uint16_t & majorNumber, const uint16_t & minorNumber);
     bool HandleSkipChannel(const int16_t & count);
 
@@ -57,7 +47,8 @@ class ChefChannelManager : public ChannelDelegate
     ~ChefChannelManager() = default;
 
 protected:
+    static constexpr size_t kMaxChannels = 10;
     uint16_t mCurrentChannelIndex{ 0 };
     uint16_t mTotalChannels{ 0 };
-    std::array<ChannelInfoType, CHEF_CHANNEL_MANAGER_MAX_CHANNELS> mChannels;
+    std::array<chip::app::Clusters::Channel::Structs::ChannelInfoStruct::Type, kMaxChannels> mChannels;
 };