diff --git a/DTLib.Web/Routes/DelegateRouteHandler.cs b/DTLib.Web/Routes/DelegateRouteHandler.cs
index add62c0..a8e531a 100644
--- a/DTLib.Web/Routes/DelegateRouteHandler.cs
+++ b/DTLib.Web/Routes/DelegateRouteHandler.cs
@@ -1,6 +1,6 @@
 namespace DTLib.Web.Routes;
 
-public class DelegateRouteHandler(Func<HttpListenerContext, Task<HttpStatusCode>> routeHandler) : RouteHandler
+public class DelegateRouteHandler(Func<HttpListenerContext, Task<HttpStatusCode>> routeHandler) : IRouteHandler
 {
-    public override Task<HttpStatusCode> HandleRequest(HttpListenerContext ctx) => routeHandler(ctx);
+    public Task<HttpStatusCode> HandleRequest(HttpListenerContext ctx) => routeHandler(ctx);
 }
\ No newline at end of file
diff --git a/DTLib.Web/Routes/IRouteHandler.cs b/DTLib.Web/Routes/IRouteHandler.cs
new file mode 100644
index 0000000..6a83d67
--- /dev/null
+++ b/DTLib.Web/Routes/IRouteHandler.cs
@@ -0,0 +1,6 @@
+namespace DTLib.Web.Routes;
+
+public interface IRouteHandler
+{
+    public Task<HttpStatusCode> HandleRequest(HttpListenerContext ctx);
+}
\ No newline at end of file
diff --git a/DTLib.Web/Routes/RouteHandler.cs b/DTLib.Web/Routes/RouteHandler.cs
deleted file mode 100644
index 2889276..0000000
--- a/DTLib.Web/Routes/RouteHandler.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-namespace DTLib.Web.Routes;
-
-public abstract class RouteHandler
-{
-    public abstract Task<HttpStatusCode> HandleRequest(HttpListenerContext ctx);
-}
\ No newline at end of file
diff --git a/DTLib.Web/Routes/ServeFilesRouteHandler.cs b/DTLib.Web/Routes/ServeFilesRouteHandler.cs
index ac3d03b..5a63b50 100644
--- a/DTLib.Web/Routes/ServeFilesRouteHandler.cs
+++ b/DTLib.Web/Routes/ServeFilesRouteHandler.cs
@@ -1,8 +1,8 @@
 namespace DTLib.Web.Routes;
 
-public class ServeFilesRouteHandler(IOPath _publicDir, string _homePageUrl = "index.html") : RouteHandler
+public class ServeFilesRouteHandler(IOPath _publicDir, string _homePageUrl = "index.html") : IRouteHandler
 {
-    public override async Task<HttpStatusCode> HandleRequest(HttpListenerContext ctx)
+    public async Task<HttpStatusCode> HandleRequest(HttpListenerContext ctx)
     {
         if (ctx.Request.HttpMethod != "GET")
             return HttpStatusCode.BadRequest;
diff --git a/DTLib.Web/Routes/SimpleRouter.cs b/DTLib.Web/Routes/SimpleRouter.cs
index 972dbe7..05bba5a 100644
--- a/DTLib.Web/Routes/SimpleRouter.cs
+++ b/DTLib.Web/Routes/SimpleRouter.cs
@@ -3,9 +3,9 @@ namespace DTLib.Web.Routes;
 public class SimpleRouter : IRouter
 {
     /// route for any url that doesn't have its own handler
-    public RouteHandler? DefaultRoute { get; set; }
+    public IRouteHandler? DefaultRoute { get; set; }
     
-    private readonly Dictionary<string, RouteHandler> _routes = new();
+    private readonly Dictionary<string, IRouteHandler> _routes = new();
     private readonly ILogger _logger;
 
     public SimpleRouter(ILogger logger)
@@ -13,7 +13,7 @@ public class SimpleRouter : IRouter
         _logger = logger;
     }
 
-    public void MapRoute(string url, HttpMethod method, RouteHandler route) => _routes.Add($"{url}:{method}", route);
+    public void MapRoute(string url, HttpMethod method, IRouteHandler route) => _routes.Add($"{url}:{method}", route);
 
     public void MapRoute(string url, HttpMethod method, Func<HttpListenerContext, Task<HttpStatusCode>> route)
         => MapRoute(url, method, new DelegateRouteHandler(route));