diff --git a/actix-service/src/apply.rs b/actix-service/src/apply.rs
index b682651b..f4bb77ae 100644
--- a/actix-service/src/apply.rs
+++ b/actix-service/src/apply.rs
@@ -89,7 +89,6 @@ where
 /// `ApplyNewService` new service combinator
 pub struct ApplyNewService<T, S>
 where
-    // T::InitError: From<S::InitError>,
     T: NewTransform<S::Service, InitError = S::InitError>,
     T::Error: From<S::Error>,
     S: NewService,
diff --git a/router/src/router.rs b/router/src/router.rs
index e7844c0b..ca4365d5 100644
--- a/router/src/router.rs
+++ b/router/src/router.rs
@@ -115,16 +115,25 @@ pub struct RouterBuilder<T> {
 }
 
 impl<T> RouterBuilder<T> {
+    /// Register resource for specified path.
     pub fn path(&mut self, path: &str, resource: T) {
         self.rmap.register(ResourceDef::new(path));
         self.resources.push(resource);
     }
 
+    /// Register resource for specified path prefix.
     pub fn prefix(&mut self, prefix: &str, resource: T) {
         self.rmap.register(ResourceDef::prefix(prefix));
         self.resources.push(resource);
     }
 
+    /// Register resource for ResourceDef
+    pub fn rdef(&mut self, rdef: ResourceDef, resource: T) {
+        self.rmap.register(rdef);
+        self.resources.push(resource);
+    }
+
+    /// Finish configuration and create router instance.
     pub fn finish(self) -> Router<T> {
         Router {
             rmap: Rc::new(self.rmap),