diff --git a/src/BootstrapBlazor.Server/Components/Samples/TreeViews.razor.cs b/src/BootstrapBlazor.Server/Components/Samples/TreeViews.razor.cs
index 9745d90689f..d1601e7a9f1 100644
--- a/src/BootstrapBlazor.Server/Components/Samples/TreeViews.razor.cs
+++ b/src/BootstrapBlazor.Server/Components/Samples/TreeViews.razor.cs
@@ -3,9 +3,6 @@
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
 
-using Microsoft.AspNetCore.Components.Rendering;
-using Microsoft.AspNetCore.Components.Web;
-
 namespace BootstrapBlazor.Server.Components.Samples;
 
 /// <summary>
diff --git a/src/BootstrapBlazor/Components/TreeView/TreeView.razor.cs b/src/BootstrapBlazor/Components/TreeView/TreeView.razor.cs
index 1bea8c3904a..912571355fb 100644
--- a/src/BootstrapBlazor/Components/TreeView/TreeView.razor.cs
+++ b/src/BootstrapBlazor/Components/TreeView/TreeView.razor.cs
@@ -3,7 +3,6 @@
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
 
-using Microsoft.AspNetCore.Components.Web;
 using Microsoft.Extensions.Localization;
 
 namespace BootstrapBlazor.Components;
@@ -15,7 +14,6 @@ namespace BootstrapBlazor.Components;
 public partial class TreeView<TItem> : IModelEqualityComparer<TItem>
 {
     private string? ClassString => CssBuilder.Default("tree-view")
-        .AddClass("is-fixed-search", ShowSearch && IsFixedSearch)
         .AddClassFromAttributes(AdditionalAttributes)
         .Build();
 
@@ -86,12 +84,6 @@ public partial class TreeView<TItem> : IModelEqualityComparer<TItem>
     [Parameter]
     public bool ShowSearch { get; set; }
 
-    /// <summary>
-    /// Gets or sets whether the search bar is fixed. Default is false.
-    /// </summary>
-    [Parameter]
-    public bool IsFixedSearch { get; set; }
-
     /// <summary>
     /// Gets or sets whether to show the reset search button. Default is true.
     /// </summary>
diff --git a/test/UnitTest/Components/TreeViewTest.cs b/test/UnitTest/Components/TreeViewTest.cs
index f48a97d9042..13b1d6a249a 100644
--- a/test/UnitTest/Components/TreeViewTest.cs
+++ b/test/UnitTest/Components/TreeViewTest.cs
@@ -3,8 +3,6 @@
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang(argo@live.ca) Website: https://www.blazor.zone
 
-using System.Threading.Tasks;
-
 namespace UnitTest.Components;
 
 public class TreeViewTest : BootstrapBlazorTestBase
@@ -1051,12 +1049,6 @@ public void ShowSearch_Ok()
             });
         });
         cut.Contains("search-template");
-
-        cut.SetParametersAndRender(pb =>
-        {
-            pb.Add(a => a.IsFixedSearch, true);
-        });
-        cut.Contains("is-fixed-search");
     }
 
     [Fact]