diff --git a/src/TaxBaik.Web.Client/Program.cs b/src/TaxBaik.Web.Client/Program.cs
index a9c07f5..dfc6bcf 100644
--- a/src/TaxBaik.Web.Client/Program.cs
+++ b/src/TaxBaik.Web.Client/Program.cs
@@ -24,7 +24,6 @@ builder.Services.AddHttpClient<IApiClient, ApiClient>(client =>
 
 // 각 Browser API Client 등록
 builder.Services.AddHttpClient<TaxBaik.Web.Client.Components.Admin.Services.IAdminDashboardClient, TaxBaik.Web.Client.Components.Admin.Services.AdminDashboardClient>(client => client.BaseAddress = new Uri(apiBaseUrl)).AddHttpMessageHandler<TokenRefreshHandler>();
-builder.Services.AddHttpClient<IAdminDashboardClient, AdminDashboardClient>(client => client.BaseAddress = new Uri(apiBaseUrl)).AddHttpMessageHandler<TokenRefreshHandler>();
 builder.Services.AddHttpClient<IBlogBrowserClient, BlogBrowserClient>(client => client.BaseAddress = new Uri(apiBaseUrl)).AddHttpMessageHandler<TokenRefreshHandler>();
 builder.Services.AddHttpClient<ICategoryBrowserClient, CategoryBrowserClient>(client => client.BaseAddress = new Uri(apiBaseUrl));
 builder.Services.AddHttpClient<IInquiryBrowserClient, InquiryBrowserClient>(client => client.BaseAddress = new Uri(apiBaseUrl)).AddHttpMessageHandler<TokenRefreshHandler>();
diff --git a/src/TaxBaik.Web.Client/Services/AdminDashboardClient.cs b/src/TaxBaik.Web.Client/Services/AdminDashboardClient.cs
deleted file mode 100644
index 535877f..0000000
--- a/src/TaxBaik.Web.Client/Services/AdminDashboardClient.cs
+++ /dev/null
@@ -1,134 +0,0 @@
-using System.Net.Http;
-using System.Net.Http.Json;
-using TaxBaik.Application.Services;
-using TaxBaik.Domain.Entities;
-
-namespace TaxBaik.Web.Services;
-
-/// <summary>
-/// Admin Dashboard API Client
-/// SOLID: Single Responsibility - Dashboard API 호출만 담당
-/// Dependency Inversion - 추상화된 인터페이스 사용
-/// </summary>
-public interface IAdminDashboardClient
-{
-    Task<AdminDashboardSummary> GetSummaryAsync(CancellationToken ct = default);
-    Task<IEnumerable<TaxFiling>> GetUpcomingFilingsAsync(int days = 30, CancellationToken ct = default);
-    Task<IEnumerable<Inquiry>> GetRecentInquiriesAsync(int limit = 10, CancellationToken ct = default);
-    Task<object> GetMonthlyStatsAsync(string? month = null, CancellationToken ct = default);
-}
-
-public class AdminDashboardClient : IAdminDashboardClient
-{
-    private readonly HttpClient _http;
-    private readonly ILogger<AdminDashboardClient> _logger;
-    private readonly ITokenStore _tokenStore;
-
-    public AdminDashboardClient(HttpClient http, ILogger<AdminDashboardClient> logger, ITokenStore tokenStore)
-    {
-        _http = http;
-        _logger = logger;
-        _tokenStore = tokenStore;
-    }
-
-    private void EnsureAuthHeader()
-    {
-        if (!string.IsNullOrEmpty(_tokenStore.AccessToken))
-            _http.DefaultRequestHeaders.Authorization = new("Bearer", _tokenStore.AccessToken);
-        else
-            _http.DefaultRequestHeaders.Authorization = null;
-    }
-
-    public async Task<AdminDashboardSummary> GetSummaryAsync(CancellationToken ct = default)
-    {
-        try
-        {
-            EnsureAuthHeader();
-            var result = await _http.GetFromJsonAsync<AdminDashboardSummary>(
-                "admin-dashboard/summary", cancellationToken: ct);
-            return result ?? new(0, 0, 0, 0, []);
-        }
-        catch (HttpRequestException ex)
-        {
-            if (ex.StatusCode == System.Net.HttpStatusCode.Unauthorized)
-            {
-                _logger.LogDebug("Dashboard summary request returned 401; using empty summary");
-                return new(0, 0, 0, 0, []);
-            }
-
-            _logger.LogError(ex, "Failed to fetch dashboard summary");
-            return new(0, 0, 0, 0, []);
-        }
-    }
-
-    public async Task<IEnumerable<TaxFiling>> GetUpcomingFilingsAsync(int days = 30, CancellationToken ct = default)
-    {
-        try
-        {
-            EnsureAuthHeader();
-            var result = await _http.GetFromJsonAsync<ApiResponse<TaxFiling>>(
-                $"admin-dashboard/upcoming-filings?days={days}", cancellationToken: ct);
-            return result?.Data ?? [];
-        }
-        catch (HttpRequestException ex)
-        {
-            if (ex.StatusCode == System.Net.HttpStatusCode.Unauthorized)
-                return [];
-
-            _logger.LogError(ex, "Failed to fetch upcoming filings");
-            return [];
-        }
-    }
-
-    public async Task<IEnumerable<Inquiry>> GetRecentInquiriesAsync(int limit = 10, CancellationToken ct = default)
-    {
-        try
-        {
-            EnsureAuthHeader();
-            var result = await _http.GetFromJsonAsync<ApiResponse<Inquiry>>(
-                $"admin-dashboard/recent-inquiries?limit={limit}", cancellationToken: ct);
-            return result?.Data ?? [];
-        }
-        catch (HttpRequestException ex)
-        {
-            if (ex.StatusCode == System.Net.HttpStatusCode.Unauthorized)
-                return [];
-
-            _logger.LogError(ex, "Failed to fetch recent inquiries");
-            return [];
-        }
-    }
-
-    public async Task<object> GetMonthlyStatsAsync(string? month = null, CancellationToken ct = default)
-    {
-        try
-        {
-            EnsureAuthHeader();
-            var url = "admin-dashboard/monthly-stats";
-            if (!string.IsNullOrEmpty(month))
-                url += $"?month={month}";
-
-            var result = await _http.GetFromJsonAsync<object>(url, cancellationToken: ct);
-            return result ?? new();
-        }
-        catch (HttpRequestException ex)
-        {
-            if (ex.StatusCode == System.Net.HttpStatusCode.Unauthorized)
-                return new { };
-
-            _logger.LogError(ex, "Failed to fetch monthly stats");
-            return new { };
-        }
-    }
-}
-
-/// <summary>
-/// API Response wrapper
-/// </summary>
-internal class ApiResponse<T>
-{
-    public IEnumerable<T>? Data { get; set; }
-    public int Total { get; set; }
-    public int Page { get; set; }
-    public int PageSize { get; set; }
-}
diff --git a/src/TaxBaik.Web/Program.cs b/src/TaxBaik.Web/Program.cs
index 782a5b4..bec4a66 100644
--- a/src/TaxBaik.Web/Program.cs
+++ b/src/TaxBaik.Web/Program.cs
@@ -284,10 +284,6 @@ builder.Services.AddHttpClient<ICommonCodeBrowserClient, CommonCodeBrowserClient
 {
     client.BaseAddress = new Uri(apiBaseUrl);
 }).AddHttpMessageHandler<TokenRefreshHandler>();
-builder.Services.AddHttpClient<IAdminDashboardClient, AdminDashboardClient>(client =>
-{
-    client.BaseAddress = new Uri(apiBaseUrl);
-}).AddHttpMessageHandler<TokenRefreshHandler>();
 builder.Services.AddHttpClient<IBlogBrowserClient, BlogBrowserClient>(client =>
 {
     client.BaseAddress = new Uri(apiBaseUrl);
@@ -313,30 +309,6 @@ builder.Services.AddHttpClient<IAnnouncementBrowserClient, AnnouncementBrowserCl
     client.BaseAddress = new Uri(apiBaseUrl);
 }).AddHttpMessageHandler<TokenRefreshHandler>();
 
-builder.Services.AddHttpClient<IAdminDashboardClient, AdminDashboardClient>(client =>
-{
-    client.BaseAddress = new Uri(apiBaseUrl);
-}).AddHttpMessageHandler<TokenRefreshHandler>();
-builder.Services.AddHttpClient<IInquiryBrowserClient, InquiryBrowserClient>(client =>
-{
-    client.BaseAddress = new Uri(apiBaseUrl);
-}).AddHttpMessageHandler<TokenRefreshHandler>();
-builder.Services.AddHttpClient<IClientBrowserClient, ClientBrowserClient>(client =>
-{
-    client.BaseAddress = new Uri(apiBaseUrl);
-}).AddHttpMessageHandler<TokenRefreshHandler>();
-builder.Services.AddHttpClient<ITaxFilingBrowserClient, TaxFilingBrowserClient>(client =>
-{
-    client.BaseAddress = new Uri(apiBaseUrl);
-}).AddHttpMessageHandler<TokenRefreshHandler>();
-builder.Services.AddHttpClient<IFaqBrowserClient, FaqBrowserClient>(client =>
-{
-    client.BaseAddress = new Uri(apiBaseUrl);
-}).AddHttpMessageHandler<TokenRefreshHandler>();
-builder.Services.AddHttpClient<IAnnouncementBrowserClient, AnnouncementBrowserClient>(client =>
-{
-    client.BaseAddress = new Uri(apiBaseUrl);
-}).AddHttpMessageHandler<TokenRefreshHandler>();
 
 // Phase 5: Tax Accounting & CRM Browser Clients
 // (등록은 Client 프로젝트에서만 필요 - Server는 API만 제공)