diff --git a/src/app_service.rs b/src/app_service.rs
index 6f9150379..bca8f2629 100644
--- a/src/app_service.rs
+++ b/src/app_service.rs
@@ -13,7 +13,8 @@ use crate::{
     request::{HttpRequest, HttpRequestPool},
     rmap::ResourceMap,
     service::{
-        AppServiceFactory, HttpService, HttpServiceFactory, ServiceRequest, ServiceResponse,
+        AppServiceFactory, BoxedHttpService, BoxedHttpServiceFactory, ServiceRequest,
+        ServiceResponse,
     },
     Error, HttpResponse,
 };
@@ -36,7 +37,7 @@ where
     pub(crate) extensions: RefCell<Option<Extensions>>,
     pub(crate) async_data_factories: Rc<[FnDataFactory]>,
     pub(crate) services: Rc<RefCell<Vec<Box<dyn AppServiceFactory>>>>,
-    pub(crate) default: Option<Rc<HttpServiceFactory>>,
+    pub(crate) default: Option<Rc<BoxedHttpServiceFactory>>,
     pub(crate) factory_ref: Rc<RefCell<Option<AppRoutingFactory>>>,
     pub(crate) external: RefCell<Vec<ResourceDef>>,
 }
@@ -227,8 +228,14 @@ where
 }
 
 pub struct AppRoutingFactory {
-    services: Rc<[(ResourceDef, HttpServiceFactory, RefCell<Option<Guards>>)]>,
-    default: Rc<HttpServiceFactory>,
+    services: Rc<
+        [(
+            ResourceDef,
+            BoxedHttpServiceFactory,
+            RefCell<Option<Guards>>,
+        )],
+    >,
+    default: Rc<BoxedHttpServiceFactory>,
 }
 
 impl ServiceFactory<ServiceRequest> for AppRoutingFactory {
@@ -276,8 +283,8 @@ impl ServiceFactory<ServiceRequest> for AppRoutingFactory {
 
 /// The Actix Web router default entry point.
 pub struct AppRouting {
-    router: Router<HttpService, Guards>,
-    default: HttpService,
+    router: Router<BoxedHttpService, Guards>,
+    default: BoxedHttpService,
 }
 
 impl Service<ServiceRequest> for AppRouting {
diff --git a/src/resource.rs b/src/resource.rs
index f59a1a01a..a025a8943 100644
--- a/src/resource.rs
+++ b/src/resource.rs
@@ -14,12 +14,15 @@ use futures_util::future::join_all;
 
 use crate::{
     data::Data,
-    dev::{ensure_leading_slash, AppService, HttpServiceFactory, ResourceDef},
+    dev::{ensure_leading_slash, AppService, ResourceDef},
     guard::Guard,
     handler::Handler,
     responder::Responder,
     route::{Route, RouteService},
-    service::{HttpService, HttpServiceFactory, ServiceRequest, ServiceResponse},
+    service::{
+        BoxedHttpService, BoxedHttpServiceFactory, HttpServiceFactory, ServiceRequest,
+        ServiceResponse,
+    },
     Error, FromRequest, HttpResponse,
 };
 
@@ -52,7 +55,7 @@ pub struct Resource<T = ResourceEndpoint> {
     routes: Vec<Route>,
     app_data: Option<Extensions>,
     guards: Vec<Box<dyn Guard>>,
-    default: HttpServiceFactory,
+    default: BoxedHttpServiceFactory,
     factory_ref: Rc<RefCell<Option<ResourceFactory>>>,
 }
 
@@ -418,7 +421,7 @@ where
 
 pub struct ResourceFactory {
     routes: Vec<Route>,
-    default: HttpServiceFactory,
+    default: BoxedHttpServiceFactory,
 }
 
 impl ServiceFactory<ServiceRequest> for ResourceFactory {
@@ -450,7 +453,7 @@ impl ServiceFactory<ServiceRequest> for ResourceFactory {
 
 pub struct ResourceService {
     routes: Vec<RouteService>,
-    default: HttpService,
+    default: BoxedHttpService,
 }
 
 impl Service<ServiceRequest> for ResourceService {
diff --git a/src/scope.rs b/src/scope.rs
index 352e48cf6..bd7e2d735 100644
--- a/src/scope.rs
+++ b/src/scope.rs
@@ -12,12 +12,12 @@ use futures_util::future::join_all;
 use crate::{
     config::ServiceConfig,
     data::Data,
-    dev::{AppService, HttpServiceFactory},
+    dev::AppService,
     guard::Guard,
     rmap::ResourceMap,
     service::{
-        AppServiceFactory, HttpService, HttpServiceFactory, ServiceFactoryWrapper,
-        ServiceRequest, ServiceResponse,
+        AppServiceFactory, BoxedHttpService, BoxedHttpServiceFactory, HttpServiceFactory,
+        ServiceFactoryWrapper, ServiceRequest, ServiceResponse,
     },
     Error, Resource, Route,
 };
@@ -58,7 +58,7 @@ pub struct Scope<T = ScopeEndpoint> {
     app_data: Option<Extensions>,
     services: Vec<Box<dyn AppServiceFactory>>,
     guards: Vec<Box<dyn Guard>>,
-    default: Option<Rc<HttpServiceFactory>>,
+    default: Option<Rc<BoxedHttpServiceFactory>>,
     external: Vec<ResourceDef>,
     factory_ref: Rc<RefCell<Option<ScopeFactory>>>,
 }
@@ -470,8 +470,14 @@ where
 }
 
 pub struct ScopeFactory {
-    services: Rc<[(ResourceDef, HttpServiceFactory, RefCell<Option<Guards>>)]>,
-    default: Rc<HttpServiceFactory>,
+    services: Rc<
+        [(
+            ResourceDef,
+            BoxedHttpServiceFactory,
+            RefCell<Option<Guards>>,
+        )],
+    >,
+    default: Rc<BoxedHttpServiceFactory>,
 }
 
 impl ServiceFactory<ServiceRequest> for ScopeFactory {
@@ -518,8 +524,8 @@ impl ServiceFactory<ServiceRequest> for ScopeFactory {
 }
 
 pub struct ScopeService {
-    router: Router<HttpService, Vec<Box<dyn Guard>>>,
-    default: HttpService,
+    router: Router<BoxedHttpService, Vec<Box<dyn Guard>>>,
+    default: BoxedHttpService,
 }
 
 impl Service<ServiceRequest> for ScopeService {
diff --git a/src/service.rs b/src/service.rs
index c60f8e1fc..fbbb889bc 100644
--- a/src/service.rs
+++ b/src/service.rs
@@ -24,8 +24,8 @@ use crate::{
     Error, HttpRequest, HttpResponse,
 };
 
-pub(crate) type HttpService = BoxService<ServiceRequest, ServiceResponse, Error>;
-pub(crate) type HttpServiceFactory =
+pub(crate) type BoxedHttpService = BoxService<ServiceRequest, ServiceResponse, Error>;
+pub(crate) type BoxedHttpServiceFactory =
     BoxServiceFactory<(), ServiceRequest, ServiceResponse, Error, ()>;
 
 pub trait HttpServiceFactory {