diff --git a/examples/errors/src/helpers.rs b/examples/errors/src/helpers.rs
index a735075..97e60f4 100644
--- a/examples/errors/src/helpers.rs
+++ b/examples/errors/src/helpers.rs
@@ -1,5 +1,5 @@
 // <helpers>
-use actix_web::{error, get, App, HttpServer, Result};
+use actix_web::{error, get, App, HttpServer};
 
 #[derive(Debug)]
 struct MyError {
@@ -7,10 +7,10 @@ struct MyError {
 }
 
 #[get("/")]
-async fn index() -> Result<&'static str> {
-    let result: Result<&'static str, MyError> = Err(MyError { name: "test error" });
+async fn index() -> actix_web::Result<String> {
+    let result = Err(MyError { name: "test error" });
 
-    Ok(result.map_err(|e| error::ErrorBadRequest(e.name))?)
+    result.map_err(|err| error::ErrorBadRequest(err.name))
 }
 // </helpers>
 
diff --git a/examples/url-dispatch/src/url_ext.rs b/examples/url-dispatch/src/url_ext.rs
index 9eb7647..ca93724 100644
--- a/examples/url-dispatch/src/url_ext.rs
+++ b/examples/url-dispatch/src/url_ext.rs
@@ -3,7 +3,7 @@ use actix_web::{get, App, HttpRequest, HttpServer, Responder};
 
 #[get("/")]
 async fn index(req: HttpRequest) -> impl Responder {
-    let url = req.url_for("youtube", &["oHg5SJYRHA0"]).unwrap();
+    let url = req.url_for("youtube", ["oHg5SJYRHA0"]).unwrap();
     assert_eq!(url.as_str(), "https://youtube.com/watch/oHg5SJYRHA0");
 
     url.to_string()
diff --git a/examples/url-dispatch/src/urls.rs b/examples/url-dispatch/src/urls.rs
index 7ce357f..12ef0eb 100644
--- a/examples/url-dispatch/src/urls.rs
+++ b/examples/url-dispatch/src/urls.rs
@@ -3,7 +3,7 @@ use actix_web::{get, guard, http::header, HttpRequest, HttpResponse, Result};
 
 #[get("/test/")]
 async fn index(req: HttpRequest) -> Result<HttpResponse> {
-    let url = req.url_for("foo", &["1", "2", "3"])?; // <- generate url for "foo" resource
+    let url = req.url_for("foo", ["1", "2", "3"])?; // <- generate url for "foo" resource
 
     Ok(HttpResponse::Found()
         .insert_header((header::LOCATION, url.as_str()))