diff --git a/TaxBaik.Web.Client/Components/Admin/App.razor b/TaxBaik.Web.Client/Components/Admin/App.razor
index 2c1706d..e921ae2 100644
--- a/TaxBaik.Web.Client/Components/Admin/App.razor
+++ b/TaxBaik.Web.Client/Components/Admin/App.razor
@@ -1,5 +1,4 @@
 @using Microsoft.AspNetCore.Components.Web
-@inject VersionInfo VersionInfo
 <!DOCTYPE html>
 <html lang="ko">
 <head>
@@ -13,7 +12,7 @@
     <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet" />
     <link href="_content/MudBlazor/MudBlazor.min.css" rel="stylesheet" />
     <script>
-        window.taxbaikAdminBuildVersion = '@VersionInfo.Version';
+        window.taxbaikAdminBuildVersion = 'unknown';
         window.taxbaikAdminComponent = 'AdminApp';
         document.documentElement.classList.toggle(
             'admin-login-route',
diff --git a/TaxBaik.Web/Program.cs b/TaxBaik.Web/Program.cs
index 7d809ec..5c7a5f9 100644
--- a/TaxBaik.Web/Program.cs
+++ b/TaxBaik.Web/Program.cs
@@ -392,9 +392,10 @@ app.MapStaticAssets();
 // Phase 8: WebAssembly 렌더 모드 완전 마이그레이션
 // - App.razor: TaxBaik.WasmClient (호스트, WebAssembly)
 // - Routes + Pages + Shared + Layout + Forms: TaxBaik.WasmClient (WebAssembly)
+// MapRazorComponents<TaxBaik.WasmClient.Components.Admin.App>()가 이미 어셈블리 포함하므로
+// AddAdditionalAssemblies 불필요 (중복 시 "Assembly already defined" 에러 발생)
 app.MapRazorComponents<TaxBaik.WasmClient.Components.Admin.App>()
    .AddInteractiveWebAssemblyRenderMode()
-   .AddAdditionalAssemblies(typeof(TaxBaik.WasmClient._Imports).Assembly)
    .AllowAnonymous();
 
 // 애플리케이션 시작/종료 로깅
