diff --git a/lib/netstd/Thrift/Protocol/TBinaryProtocol.cs b/lib/netstd/Thrift/Protocol/TBinaryProtocol.cs
index 9c23469..eee137c 100644
--- a/lib/netstd/Thrift/Protocol/TBinaryProtocol.cs
+++ b/lib/netstd/Thrift/Protocol/TBinaryProtocol.cs
@@ -23,8 +23,6 @@
 using Thrift.Protocol.Entities;
 using Thrift.Transport;
 
-#pragma warning disable IDE0079 // unnecessary suppression
-#pragma warning disable IDE0066 // use switch expression
 
 namespace Thrift.Protocol
 {
diff --git a/lib/netstd/Thrift/Protocol/TCompactProtocol.cs b/lib/netstd/Thrift/Protocol/TCompactProtocol.cs
index 3758174..6893ad4 100644
--- a/lib/netstd/Thrift/Protocol/TCompactProtocol.cs
+++ b/lib/netstd/Thrift/Protocol/TCompactProtocol.cs
@@ -26,8 +26,6 @@
 using Thrift.Protocol.Entities;
 using Thrift.Transport;
 
-#pragma warning disable IDE0079 // unnecessary suppression
-#pragma warning disable IDE0066 // use switch expression
 
 namespace Thrift.Protocol
 {
diff --git a/lib/netstd/Thrift/Protocol/TJSONProtocol.cs b/lib/netstd/Thrift/Protocol/TJSONProtocol.cs
index 081f42e..8799026 100644
--- a/lib/netstd/Thrift/Protocol/TJSONProtocol.cs
+++ b/lib/netstd/Thrift/Protocol/TJSONProtocol.cs
@@ -27,9 +27,6 @@
 using Thrift.Protocol.Utilities;
 using Thrift.Transport;
 
-#pragma warning disable IDE0079 // unnecessary suppression
-#pragma warning disable IDE0063 // simplify using
-#pragma warning disable IDE0066 // use switch expression
 
 namespace Thrift.Protocol
 {
diff --git a/lib/netstd/Thrift/Protocol/TProtocol.cs b/lib/netstd/Thrift/Protocol/TProtocol.cs
index 5b1bec1..cd93833 100644
--- a/lib/netstd/Thrift/Protocol/TProtocol.cs
+++ b/lib/netstd/Thrift/Protocol/TProtocol.cs
@@ -50,6 +50,7 @@
         public void Dispose()
         {
             Dispose(true);
+            GC.SuppressFinalize(this);
         }
 
         public void IncrementRecursionDepth()
diff --git a/lib/netstd/Thrift/Protocol/ToString.cs b/lib/netstd/Thrift/Protocol/ToString.cs
index 14fa520..50dd6df 100644
--- a/lib/netstd/Thrift/Protocol/ToString.cs
+++ b/lib/netstd/Thrift/Protocol/ToString.cs
@@ -47,15 +47,15 @@
                     if (first_child)
                         first_child = false;
                     else
-                        sb.Append(",");
+                        sb.Append(',');
 
                     sb.Append("{ ");
                     pair.Key.ToString(sb);
                     sb.Append(", ");
                     pair.Value.ToString(sb);
-                    sb.Append("}");
+                    sb.Append('}');
                 }
-                sb.Append("}");
+                sb.Append('}');
             }
             else if (self is IEnumerable)
             {
@@ -65,7 +65,7 @@
                     elm.ToString(sb, first_child);
                     first_child = false;
                 }
-                sb.Append("}");
+                sb.Append('}');
             }
             else if (self is TBase)
             {