diff --git a/core/application/application.h b/core/application/application.h
index 3164184..a61618f 100644
--- a/core/application/application.h
+++ b/core/application/application.h
@@ -1,4 +1,5 @@
 #pragma once
+#include <memory>
 #include <string>
 
 class renderer;
@@ -8,9 +9,7 @@ class application;
 
 class CORE_API application {
 public:
-    application() {
-    }
-
+    application() = default;
     virtual ~application() = default;
 
     application(const application&) = delete;
diff --git a/core/audio/device/audio_device_manager.cpp b/core/audio/device/audio_device_manager.cpp
index 83f9516..787b267 100644
--- a/core/audio/device/audio_device_manager.cpp
+++ b/core/audio/device/audio_device_manager.cpp
@@ -31,7 +31,7 @@ void audio_device_manager::start() {
     if (input_params_.deviceId != 0) {
         input_params = &input_params_;
     }
-    audio_.openStream(&output_params_, input_params, RTAUDIO_FLOAT32, get_sample_rate(), &options_.numberOfBuffers, &rt_audio_callback, this, &options_);
+    // audio_.openStream(&output_params_, input_params, RTAUDIO_FLOAT32, get_sample_rate(), &options_.numberOfBuffers, &rt_audio_callback, this, &options_);
 }
 
 uint32_t audio_device_manager::get_sample_rate() const {
@@ -86,23 +86,23 @@ void audio_device_manager::render_thread() {
     const uint32_t frames = get_buffer_size();
     const uint32_t rate = get_sample_rate();
 
-    while (audio_.isStreamRunning()) {
-        const uint32_t milliseconds = 1.f / (rate / (frames / 4)) * 1000;
-
-        g_audio_thread_hub.process_messages();
-        if (render_buffer_.Num() >= render_buffer_size_) {
-            std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
-            continue;
-        }
-        g_midi_sequencer.process(rate, frames);
-        g_mixer.reset();
-        g_plugin_host_manager.process(frames);
-        g_mixer.process(frames);
-
-        const auto& master_headers = master->buffer.get_headers_vector();
-        for (const auto element: master_headers) {
-            render_buffer_.Push(element, frames);
-        }
-    }
+    // while (audio_.isStreamRunning()) {
+    //     const uint32_t milliseconds = 1.f / (rate / (frames / 4)) * 1000;
+    //
+    //     g_audio_thread_hub.process_messages();
+    //     if (render_buffer_.Num() >= render_buffer_size_) {
+    //         std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
+    //         continue;
+    //     }
+    //     g_midi_sequencer.process(rate, frames);
+    //     g_mixer.reset();
+    //     g_plugin_host_manager.process(frames);
+    //     g_mixer.process(frames);
+    //
+    //     const auto& master_headers = master->buffer.get_headers_vector();
+    //     for (const auto element: master_headers) {
+    //         render_buffer_.Push(element, frames);
+    //     }
+    // }
     spdlog::info("port_audio render thread stopped");
 }
diff --git a/core/audio/device/audio_device_manager.h b/core/audio/device/audio_device_manager.h
index c8c0940..d623e83 100644
--- a/core/audio/device/audio_device_manager.h
+++ b/core/audio/device/audio_device_manager.h
@@ -11,14 +11,14 @@ public:
 
     void start();
 
-    CORE_API [[nodiscard]] const char* get_name() override { return "audio_device_manager"; }
+    CORE_API const char* get_name() override { return "audio_device_manager"; }
 
-    CORE_API [[nodiscard]] uint32_t get_sample_rate() const;
+    CORE_API uint32_t get_sample_rate() const;
     CORE_API void set_sample_rate(uint32_t sample_rate);
-    CORE_API [[nodiscard]] uint32_t get_buffer_size() const;
+    CORE_API uint32_t get_buffer_size() const;
     CORE_API void set_buffer_size(int buffer_size);
-    CORE_API [[nodiscard]] uint32_t get_input_channel_count() const;
-    CORE_API [[nodiscard]] uint32_t get_output_channel_count() const;
+    CORE_API uint32_t get_input_channel_count() const;
+    CORE_API uint32_t get_output_channel_count() const;
 
     int stream_callback(float** output, float** input, unsigned long frame_count, double stream_time, RtAudioStreamStatus status);
 protected:
@@ -36,7 +36,7 @@ private:
     RtAudio::StreamParameters output_params_ = {};
     RtAudio::StreamOptions options_ = {};
     uint32_t sample_rate_ = 44100;
-    RtAudio audio_;
+    // RtAudio audio_;
 };
 
 DEFINE_SINGLETON_INSTANCE(audio_device_manager)