diff --git a/Examples/CSharp/CSharp.csproj b/Examples/CSharp/CSharp.csproj
index d080093..1a0fab7 100644
--- a/Examples/CSharp/CSharp.csproj
+++ b/Examples/CSharp/CSharp.csproj
@@ -145,8 +145,6 @@
     <Compile Include="Text\ReplaceTextOnAllPages.cs" />
     <Compile Include="Text\ReplaceTextOnParticularPage.cs" />
     <Compile Include="RunExamples.cs" />
-    <Compile Include="Text\SetDefaultParagraphStyle.cs" />
-    <Compile Include="Text\SetProofingLanguageForText.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />
diff --git a/Examples/CSharp/RunExamples.cs b/Examples/CSharp/RunExamples.cs
index 3a4540c..22ed24e 100644
--- a/Examples/CSharp/RunExamples.cs
+++ b/Examples/CSharp/RunExamples.cs
@@ -122,8 +122,6 @@ public static void Main()
             //CreateTitleMsStyle.Run();
             //ChangeStyle.Run();
             //ChangePageTitleStyle.Run();
-            SetDefaultParagraphStyle.Run();
-            SetProofingLanguageForText.Run();
 
             //// =====================================================
             #endregion
diff --git a/Examples/CSharp/Text/SetDefaultParagraphStyle.cs b/Examples/CSharp/Text/SetDefaultParagraphStyle.cs
deleted file mode 100644
index e956181..0000000
--- a/Examples/CSharp/Text/SetDefaultParagraphStyle.cs
+++ /dev/null
@@ -1,74 +0,0 @@
-// -----------------------------------------------------------------------
-//  <copyright file="SetDefaultParagraphStyle.cs" company="Aspose Pty Ltd">
-//    Copyright (c) 2002-2021 Aspose Pty Ltd. All Rights Reserved.
-//  </copyright>
-// -----------------------------------------------------------------------
-
-namespace Aspose.Note.Examples.CSharp.Text
-{
-    using System;
-    using System.IO;
-
-    class SetDefaultParagraphStyle
-    {
-        public static void Run()
-        {
-            // ExStart:SetDefaultParagraphStyle
-            // ExFor:ParagraphStyle
-            // ExFor:ParagraphStyle.FontName 
-            // ExFor:ParagraphStyle.FontSize
-            // ExFor:RichText
-            // ExFor:RichText.ParagraphStyle
-            // ExFor:RichText.Text
-            // ExFor:TextStyle
-            // ExFor:TextStyle.FontName
-            // ExFor:TextStyle.FontSize
-            // ExSummary:Manipulate by text format using paragraph style.
-
-            var document = new Document();
-            var page = new Page(document);
-            var outline = new Outline(document);
-            var outlineElem = new OutlineElement(document);
-
-            var text = new RichText(document)
-                        {
-                            Text = $"DefaultParagraphFontAndSize{Environment.NewLine}OnlyDefaultParagraphFont{Environment.NewLine}OnlyDefaultParagraphFontSize",
-                            ParagraphStyle = new ParagraphStyle()
-                                                {
-                                                    FontName = "Courier New",
-                                                    FontSize = 20
-                                                }
-                        };
-
-            // Font and font size are from text.ParagraphStyle
-            text.Styles.Add(new TextStyle()
-                                    {
-                                        RunIndex = 27
-                                    });
-
-            // Only font is from text.ParagraphStyle
-            text.Styles.Add(new TextStyle()
-                                    {
-                                        FontSize = 14,
-                                        RunIndex = 53
-                                    });
-
-            // Only font size is from text.ParagraphStyle
-            text.Styles.Add(new TextStyle()
-                                    {
-                                        FontName = "Verdana",
-                                        RunIndex = text.Text.Length
-                                    });
-
-
-            outlineElem.AppendChildLast(text);
-            outline.AppendChildLast(outlineElem);
-            page.AppendChildLast(outline);
-            document.AppendChildLast(page);
-
-            document.Save(Path.Combine(RunExamples.GetDataDir_Text(), "SetDefaultParagraphStyle.one"));
-
-            // ExEnd:SetDefaultParagraphStyle
-        }
-    }
-}
\ No newline at end of file
diff --git a/Examples/CSharp/Text/SetProofingLanguageForText.cs b/Examples/CSharp/Text/SetProofingLanguageForText.cs
deleted file mode 100644
index c88f8bb..0000000
--- a/Examples/CSharp/Text/SetProofingLanguageForText.cs
+++ /dev/null
@@ -1,58 +0,0 @@
-// -----------------------------------------------------------------------
-//  <copyright file="SetProofingLanguageForText.cs" company="Aspose Pty Ltd">
-//    Copyright (c) 2002-2021 Aspose Pty Ltd. All Rights Reserved.
-//  </copyright>
-// -----------------------------------------------------------------------
-
-namespace Aspose.Note.Examples.CSharp.Text
-{
-    using System;
-    using System.Globalization;
-    using System.IO;
-
-    class SetProofingLanguageForText
-    {
-        public static void Run()
-        {
-            // ExStart:SetProofingLanguageForText
-            // ExFor:TextStyle
-            // ExFor:TextStyle.Language
-            // ExFor:TextStyle.RunIndex
-            // ExFor:RichText
-            // ExFor:RichText.Styles
-            // ExSummary:Set proofing language for a text.
-
-            var document = new Document();
-            var page = new Page(document);
-            var outline = new Outline(document);
-            var outlineElem = new OutlineElement(document);
-
-            var text = new RichText(document) { Text = "United States Germany China", ParagraphStyle = ParagraphStyle.Default };
-            text.Styles.Add(new TextStyle()
-                                {
-                                    Language = CultureInfo.GetCultureInfo("en-US"),
-                                    RunIndex = 13
-                                });
-            text.Styles.Add(new TextStyle()
-                                {
-                                    Language = CultureInfo.GetCultureInfo("de-DE"),
-                                    RunIndex = 21
-                                });
-            text.Styles.Add(new TextStyle()
-                                {
-                                    Language = CultureInfo.GetCultureInfo("zh-CN"),
-                                    RunIndex = text.Text.Length
-                                });
-
-
-            outlineElem.AppendChildLast(text);
-            outline.AppendChildLast(outlineElem);
-            page.AppendChildLast(outline);
-            document.AppendChildLast(page);
-
-            document.Save(Path.Combine(RunExamples.GetDataDir_Text(), "SetProofingLanguageForText.one"));
-
-            // ExEnd:SetProofingLanguageForText
-        }
-    }
-}
\ No newline at end of file