diff --git a/core/codegen/src/attribute/route/mod.rs b/core/codegen/src/attribute/route/mod.rs
index c2e3043a..3b72f470 100644
--- a/core/codegen/src/attribute/route/mod.rs
+++ b/core/codegen/src/attribute/route/mod.rs
@@ -225,6 +225,7 @@ fn internal_uri_macro_decl(route: &Route) -> TokenStream {
         }
 
         #[doc(hidden)]
+        #[allow(unused)]
         pub use #inner_macro_name as #macro_name;
     }
 }
diff --git a/core/http/src/tls/mtls.rs b/core/http/src/tls/mtls.rs
index 45ea38fc..7a7cd169 100644
--- a/core/http/src/tls/mtls.rs
+++ b/core/http/src/tls/mtls.rs
@@ -4,7 +4,6 @@ pub mod oid {
     //! [`der-parser`](https://docs.rs/der-parser/7).
 
     pub use x509_parser::oid_registry::*;
-    pub use x509_parser::der_parser::oid::*;
     pub use x509_parser::objects::*;
 }
 
diff --git a/examples/cookies/src/message.rs b/examples/cookies/src/message.rs
index d4896adb..06a33a00 100644
--- a/examples/cookies/src/message.rs
+++ b/examples/cookies/src/message.rs
@@ -1,6 +1,6 @@
 use rocket::form::Form;
 use rocket::response::Redirect;
-use rocket::http::{Cookie, CookieJar};
+use rocket::http::CookieJar;
 use rocket_dyn_templates::{Template, context};
 
 #[macro_export]
diff --git a/examples/cookies/src/session.rs b/examples/cookies/src/session.rs
index d66a5911..11bf55d1 100644
--- a/examples/cookies/src/session.rs
+++ b/examples/cookies/src/session.rs
@@ -1,7 +1,7 @@
 use rocket::outcome::IntoOutcome;
 use rocket::request::{self, FlashMessage, FromRequest, Request};
 use rocket::response::{Redirect, Flash};
-use rocket::http::{Cookie, CookieJar, Status};
+use rocket::http::{CookieJar, Status};
 use rocket::form::Form;
 
 use rocket_dyn_templates::{Template, context};
diff --git a/examples/forms/src/main.rs b/examples/forms/src/main.rs
index 97c13e72..a908eb47 100644
--- a/examples/forms/src/main.rs
+++ b/examples/forms/src/main.rs
@@ -11,7 +11,9 @@ use rocket_dyn_templates::Template;
 struct Password<'v> {
     #[field(validate = len(6..))]
     #[field(validate = eq(self.second))]
+    #[allow(unused)]
     first: &'v str,
+    #[allow(unused)]
     #[field(validate = eq(self.first))]
     second: &'v str,
 }
diff --git a/examples/upgrade/src/main.rs b/examples/upgrade/src/main.rs
index 943ff070..7526b5b1 100644
--- a/examples/upgrade/src/main.rs
+++ b/examples/upgrade/src/main.rs
@@ -16,7 +16,8 @@ fn echo_stream(ws: ws::WebSocket) -> ws::Stream!['static] {
 fn echo_channel(ws: ws::WebSocket) -> ws::Channel<'static> {
     // This is entirely optional. Change default configuration.
     let ws = ws.config(ws::Config {
-        max_send_queue: Some(5),
+        // set max message size to 3MiB
+        max_message_size: Some(3 << 20),
         ..Default::default()
     });