diff --git a/src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceDriver.cs b/src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceDriver.cs
index 7bfff5f9bd..550cc3491d 100644
--- a/src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceDriver.cs
+++ b/src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceDriver.cs
@@ -19,12 +19,14 @@ namespace Ryujinx.Audio.Backends.SDL2
         private readonly ManualResetEvent _pauseEvent;
         private readonly ConcurrentDictionary<SDL2HardwareDeviceSession, byte> _sessions;
 
-        private bool _supportSurroundConfiguration;
+        private readonly bool _supportSurroundConfiguration;
 
         // TODO: Add this to SDL2-CS
         // NOTE: We use a DllImport here because of marshaling issue for spec.
+#pragma warning disable SYSLIB1054
         [DllImport("SDL2")]
         private static extern int SDL_GetDefaultAudioInfo(IntPtr name, out SDL_AudioSpec spec, int isCapture);
+#pragma warning restore SYSLIB1054
 
         public SDL2HardwareDeviceDriver()
         {
@@ -90,7 +92,7 @@ namespace Ryujinx.Audio.Backends.SDL2
                 throw new NotImplementedException("Input direction is currently not implemented on SDL2 backend!");
             }
 
-            SDL2HardwareDeviceSession session = new SDL2HardwareDeviceSession(this, memoryManager, sampleFormat, sampleRate, channelCount, volume);
+            SDL2HardwareDeviceSession session = new(this, memoryManager, sampleFormat, sampleRate, channelCount, volume);
 
             _sessions.TryAdd(session, 0);
 
@@ -135,8 +137,7 @@ namespace Ryujinx.Audio.Backends.SDL2
 
             if (device == 0)
             {
-                Logger.Error?.Print(LogClass.Application, 
-                    $"SDL2 open audio device initialization failed with error \"{SDL_GetError()}\"");
+                Logger.Error?.Print(LogClass.Application, $"SDL2 open audio device initialization failed with error \"{SDL_GetError()}\"");
 
                 return 0;
             }
@@ -156,6 +157,7 @@ namespace Ryujinx.Audio.Backends.SDL2
 
         public void Dispose()
         {
+            GC.SuppressFinalize(this);
             Dispose(true);
         }
 
diff --git a/src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceSession.cs b/src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceSession.cs
index 14310b9345..0bd73f3c79 100644
--- a/src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceSession.cs
+++ b/src/Ryujinx.Audio.Backends.SDL2/SDL2HardwareDeviceSession.cs
@@ -12,19 +12,19 @@ namespace Ryujinx.Audio.Backends.SDL2
 {
     class SDL2HardwareDeviceSession : HardwareDeviceSessionOutputBase
     {
-        private SDL2HardwareDeviceDriver _driver;
-        private ConcurrentQueue<SDL2AudioBuffer> _queuedBuffers;
-        private DynamicRingBuffer _ringBuffer;
+        private readonly SDL2HardwareDeviceDriver _driver;
+        private readonly ConcurrentQueue<SDL2AudioBuffer> _queuedBuffers;
+        private readonly DynamicRingBuffer _ringBuffer;
         private ulong _playedSampleCount;
-        private ManualResetEvent _updateRequiredEvent;
+        private readonly ManualResetEvent _updateRequiredEvent;
         private uint _outputStream;
         private bool _hasSetupError;
-        private SDL_AudioCallback _callbackDelegate;
-        private int _bytesPerFrame;
+        private readonly SDL_AudioCallback _callbackDelegate;
+        private readonly int _bytesPerFrame;
         private uint _sampleCount;
         private bool _started;
         private float _volume;
-        private ushort _nativeSampleFormat;
+        private readonly ushort _nativeSampleFormat;
 
         public SDL2HardwareDeviceSession(SDL2HardwareDeviceDriver driver, IVirtualMemoryManager memoryManager, SampleFormat requestedSampleFormat, uint requestedSampleRate, uint requestedChannelCount, float requestedVolume) : base(memoryManager, requestedSampleFormat, requestedSampleRate, requestedChannelCount)
         {
@@ -72,7 +72,7 @@ namespace Ryujinx.Audio.Backends.SDL2
 
         private unsafe void Update(IntPtr userdata, IntPtr stream, int streamLength)
         {
-            Span<byte> streamSpan = new Span<byte>((void*)stream, streamLength);
+            Span<byte> streamSpan = new((void*)stream, streamLength);
 
             int maxFrameCount = (int)GetSampleCount(streamLength);
             int bufferedFrames = _ringBuffer.Length / _bytesPerFrame;
@@ -82,7 +82,7 @@ namespace Ryujinx.Audio.Backends.SDL2
             if (frameCount == 0)
             {
                 // SDL2 left the responsibility to the user to clear the buffer.
-                streamSpan.Fill(0);
+                streamSpan.Clear();
 
                 return;
             }
@@ -96,7 +96,7 @@ namespace Ryujinx.Audio.Backends.SDL2
                 IntPtr pStreamSrc = (IntPtr)p;
 
                 // Zero the dest buffer
-                streamSpan.Fill(0);
+                streamSpan.Clear();
 
                 // Apply volume to written data
                 SDL_MixAudioFormat(stream, pStreamSrc, _nativeSampleFormat, (uint)samples.Length, (int)(_volume * SDL_MIX_MAXVOLUME));
@@ -151,7 +151,7 @@ namespace Ryujinx.Audio.Backends.SDL2
 
             if (_outputStream != 0)
             {
-                SDL2AudioBuffer driverBuffer = new SDL2AudioBuffer(buffer.DataPointer, GetSampleCount(buffer));
+                SDL2AudioBuffer driverBuffer = new(buffer.DataPointer, GetSampleCount(buffer));
 
                 _ringBuffer.Write(buffer.Data, 0, buffer.Data.Length);