diff --git a/src/PlaywrightSharp/Frame.cs b/src/PlaywrightSharp/Frame.cs
index c5ab81def1..178d793708 100644
--- a/src/PlaywrightSharp/Frame.cs
+++ b/src/PlaywrightSharp/Frame.cs
@@ -45,16 +45,14 @@ namespace PlaywrightSharp
     public class Frame : ChannelOwnerBase, IChannelOwner<Frame>, IFrame
     {
         private readonly FrameChannel _channel;
-        private readonly FrameInitializer _initializer;
         private readonly List<LifecycleEvent> _loadStates = new List<LifecycleEvent>();
 
         internal Frame(IChannelOwner parent, string guid, FrameInitializer initializer) : base(parent, guid)
         {
             _channel = new FrameChannel(guid, parent.Connection, this);
-            _initializer = initializer;
-            Url = _initializer.Url;
-            Name = _initializer.Name;
-            ParentFrame = _initializer.ParentFrame;
+            Url = initializer.Url;
+            Name = initializer.Name;
+            ParentFrame = initializer.ParentFrame;
             _loadStates = initializer.LoadStates;
 
             _channel.LoadState += (sender, e) =>
diff --git a/src/PlaywrightSharp/Helpers/FlexibleStringEnumConverter.cs b/src/PlaywrightSharp/Helpers/FlexibleStringEnumConverter.cs
index 1e3f34f521..887322573c 100644
--- a/src/PlaywrightSharp/Helpers/FlexibleStringEnumConverter.cs
+++ b/src/PlaywrightSharp/Helpers/FlexibleStringEnumConverter.cs
@@ -15,7 +15,6 @@ namespace PlaywrightSharp.Helpers
     public class FlexibleStringEnumConverter<T> : JsonConverter<T>
     {
         private readonly Type _enumType = typeof(T);
-        private readonly Dictionary<int, EnumInfo> _rawToTransformed;
         private readonly Dictionary<string, EnumInfo> _transformedToRaw;
         private readonly T _default;
 
@@ -29,7 +28,6 @@ public FlexibleStringEnumConverter(T defaultValue)
             string[] builtInNames = _enumType.GetEnumNames();
             var builtInValues = _enumType.GetEnumValues();
 
-            _rawToTransformed = new Dictionary<int, EnumInfo>();
             _transformedToRaw = new Dictionary<string, EnumInfo>();
 
             for (int i = 0; i < builtInNames.Length; i++)
@@ -42,7 +40,6 @@ public FlexibleStringEnumConverter(T defaultValue)
                 var enumMemberAttribute = field.GetCustomAttribute<EnumMemberAttribute>(true);
                 string transformedName = enumMemberAttribute?.Value ?? name;
 
-                _rawToTransformed[rawValue] = new EnumInfo(transformedName, enumValue, rawValue);
                 _transformedToRaw[transformedName] = new EnumInfo(name, enumValue, rawValue);
             }
         }
diff --git a/src/PlaywrightSharp/JSHandle.cs b/src/PlaywrightSharp/JSHandle.cs
index 6113c12af3..9b525e15cb 100644
--- a/src/PlaywrightSharp/JSHandle.cs
+++ b/src/PlaywrightSharp/JSHandle.cs
@@ -13,13 +13,11 @@ namespace PlaywrightSharp
     public class JSHandle : ChannelOwnerBase, IChannelOwner<JSHandle>, IJSHandle
     {
         private readonly JSHandleChannel _channel;
-        private readonly JSHandleInitializer _initializer;
 
         internal JSHandle(IChannelOwner parent, string guid, JSHandleInitializer initializer) : base(parent, guid)
         {
             _channel = new JSHandleChannel(guid, parent.Connection, this);
-            _initializer = initializer;
-            Preview = _initializer.Preview;
+            Preview = initializer.Preview;
         }
 
         /// <inheritdoc/>
diff --git a/src/PlaywrightSharp/Transport/StdIOTransport.cs b/src/PlaywrightSharp/Transport/StdIOTransport.cs
index f3aaaf3fa9..64e3050723 100644
--- a/src/PlaywrightSharp/Transport/StdIOTransport.cs
+++ b/src/PlaywrightSharp/Transport/StdIOTransport.cs
@@ -11,7 +11,6 @@ internal class StdIOTransport : IConnectionTransport, IDisposable
     {
         private const int DefaultBufferSize = 1024;  // Byte buffer size
         private readonly Process _process;
-        private readonly ILoggerFactory _loggerFactory;
         private readonly ILogger<StdIOTransport> _logger;
         private readonly CancellationTokenSource _readerCancellationSource = new();
         private readonly List<byte> _data = new();
@@ -20,8 +19,7 @@ internal class StdIOTransport : IConnectionTransport, IDisposable
         internal StdIOTransport(Process process, ILoggerFactory loggerFactory, TransportTaskScheduler scheduler = null)
         {
             _process = process;
-            _loggerFactory = loggerFactory;
-            _logger = _loggerFactory?.CreateLogger<StdIOTransport>();
+            _logger = loggerFactory?.CreateLogger<StdIOTransport>();
             scheduler ??= ScheduleTransportTask;
             process.ErrorDataReceived += (s, e) => LogReceived?.Invoke(this, new LogReceivedEventArgs(e.Data));
             process.BeginErrorReadLine();