diff --git a/src/tools/dc/Commands/PackCommand.cs b/src/tools/dc/Commands/PackCommand.cs
index 3a0fe6e..3079421 100644
--- a/src/tools/dc/Commands/PackCommand.cs
+++ b/src/tools/dc/Commands/PackCommand.cs
@@ -5,7 +5,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class PackCommand : CancellableAsyncCommand<PackCommand.PackCommandSettings>
 {
-    public sealed class PackCommandSettings : CommandSettings
+    internal sealed class PackCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input directory")]
diff --git a/src/tools/dc/Commands/RepackCommand.cs b/src/tools/dc/Commands/RepackCommand.cs
index b4f35e0..a3d4eeb 100644
--- a/src/tools/dc/Commands/RepackCommand.cs
+++ b/src/tools/dc/Commands/RepackCommand.cs
@@ -5,7 +5,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class RepackCommand : CancellableAsyncCommand<RepackCommand.RepackCommandSettings>
 {
-    public sealed class RepackCommandSettings : CommandSettings
+    internal sealed class RepackCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input file")]
diff --git a/src/tools/dc/Commands/SchemaCommand.cs b/src/tools/dc/Commands/SchemaCommand.cs
index 7d8bde1..a30a4e5 100644
--- a/src/tools/dc/Commands/SchemaCommand.cs
+++ b/src/tools/dc/Commands/SchemaCommand.cs
@@ -7,7 +7,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class SchemaCommand : CancellableAsyncCommand<SchemaCommand.SchemaCommandSettings>
 {
-    public sealed class SchemaCommandSettings : CommandSettings
+    internal sealed class SchemaCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input file")]
diff --git a/src/tools/dc/Commands/UnpackCommand.cs b/src/tools/dc/Commands/UnpackCommand.cs
index 91603cc..10ecb19 100644
--- a/src/tools/dc/Commands/UnpackCommand.cs
+++ b/src/tools/dc/Commands/UnpackCommand.cs
@@ -5,7 +5,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class UnpackCommand : CancellableAsyncCommand<UnpackCommand.UnpackCommandSettings>
 {
-    public sealed class UnpackCommandSettings : CommandSettings
+    internal sealed class UnpackCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input file")]
diff --git a/src/tools/dc/Commands/ValidateCommand.cs b/src/tools/dc/Commands/ValidateCommand.cs
index c3476e2..1d9cfe9 100644
--- a/src/tools/dc/Commands/ValidateCommand.cs
+++ b/src/tools/dc/Commands/ValidateCommand.cs
@@ -5,7 +5,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class ValidateCommand : CancellableAsyncCommand<ValidateCommand.ValidateCommandSettings>
 {
-    public sealed class ValidateCommandSettings : CommandSettings
+    internal sealed class ValidateCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input directory")]
diff --git a/src/tools/dc/Commands/VerifyCommand.cs b/src/tools/dc/Commands/VerifyCommand.cs
index 071bb3e..2770081 100644
--- a/src/tools/dc/Commands/VerifyCommand.cs
+++ b/src/tools/dc/Commands/VerifyCommand.cs
@@ -5,7 +5,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class VerifyCommand : CancellableAsyncCommand<VerifyCommand.VerifyCommandSettings>
 {
-    public sealed class VerifyCommandSettings : CommandSettings
+    internal sealed class VerifyCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input file")]
diff --git a/src/tools/rc/Commands/PackCommand.cs b/src/tools/rc/Commands/PackCommand.cs
index 0f0cea3..603c1a3 100644
--- a/src/tools/rc/Commands/PackCommand.cs
+++ b/src/tools/rc/Commands/PackCommand.cs
@@ -5,7 +5,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class PackCommand : CancellableAsyncCommand<PackCommand.PackCommandSettings>
 {
-    public sealed class PackCommandSettings : CommandSettings
+    internal sealed class PackCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input directory")]
diff --git a/src/tools/rc/Commands/RepackCommand.cs b/src/tools/rc/Commands/RepackCommand.cs
index 32ea273..59f85bd 100644
--- a/src/tools/rc/Commands/RepackCommand.cs
+++ b/src/tools/rc/Commands/RepackCommand.cs
@@ -5,7 +5,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class RepackCommand : CancellableAsyncCommand<RepackCommand.RepackCommandSettings>
 {
-    public sealed class RepackCommandSettings : CommandSettings
+    internal sealed class RepackCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input file")]
diff --git a/src/tools/rc/Commands/UnpackCommand.cs b/src/tools/rc/Commands/UnpackCommand.cs
index b9f3184..3de789f 100644
--- a/src/tools/rc/Commands/UnpackCommand.cs
+++ b/src/tools/rc/Commands/UnpackCommand.cs
@@ -5,7 +5,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class UnpackCommand : CancellableAsyncCommand<UnpackCommand.UnpackCommandSettings>
 {
-    public sealed class UnpackCommandSettings : CommandSettings
+    internal sealed class UnpackCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input file")]
diff --git a/src/tools/rc/Commands/VerifyCommand.cs b/src/tools/rc/Commands/VerifyCommand.cs
index 64b461f..333f185 100644
--- a/src/tools/rc/Commands/VerifyCommand.cs
+++ b/src/tools/rc/Commands/VerifyCommand.cs
@@ -5,7 +5,7 @@ namespace Vezel.Novadrop.Commands;
 [SuppressMessage("", "CA1812")]
 internal sealed class VerifyCommand : CancellableAsyncCommand<VerifyCommand.VerifyCommandSettings>
 {
-    public sealed class VerifyCommandSettings : CommandSettings
+    internal sealed class VerifyCommandSettings : CommandSettings
     {
         [CommandArgument(0, "<input>")]
         [Description("Input file")]