diff --git a/core/codegen/src/bang/uri_parsing.rs b/core/codegen/src/bang/uri_parsing.rs
index ea3665a8..efbe41a2 100644
--- a/core/codegen/src/bang/uri_parsing.rs
+++ b/core/codegen/src/bang/uri_parsing.rs
@@ -430,7 +430,7 @@ impl Arg {
     fn unnamed(&self) -> &ArgExpr {
         match self {
             Arg::Unnamed(expr) => expr,
-            _ => panic!("Called Arg::unnamed() on an Arg::named!"),
+            _ => panic!("Called Arg::unnamed() on an Arg::Named!"),
         }
     }
 
diff --git a/core/http/Cargo.toml b/core/http/Cargo.toml
index 2aa700f0..41fd3813 100644
--- a/core/http/Cargo.toml
+++ b/core/http/Cargo.toml
@@ -42,7 +42,7 @@ pear = "0.2.3"
 pin-project-lite = "0.2"
 memchr = "2"
 stable-pattern = "0.1"
-cookie = { version = "0.17.0", features = ["percent-encode"] }
+cookie = { version = "=0.18.0-rc.0", features = ["percent-encode"] }
 state = "0.6"
 futures = { version = "0.3", default-features = false }
 
diff --git a/core/lib/src/cookies.rs b/core/lib/src/cookies.rs
index 62515c05..3e7df583 100644
--- a/core/lib/src/cookies.rs
+++ b/core/lib/src/cookies.rs
@@ -28,19 +28,19 @@ pub use self::cookie::{Cookie, SameSite, Iter};
 ///
 /// #[get("/message")]
 /// fn message(jar: &CookieJar<'_>) {
-///     jar.add(Cookie::new("message", "hello!"));
-///     jar.add(Cookie::new("other", "bye!"));
+///     jar.add(("message", "hello!"));
+///     jar.add(Cookie::build(("session", "bye!")).expires(None));
 ///
 ///     // `get()` does not reflect changes.
-///     assert!(jar.get("other").is_none());
-///     # assert_eq!(jar.get("message").map(|c| c.value()), Some("hi"));
+///     assert!(jar.get("session").is_none());
+///     assert_eq!(jar.get("message").map(|c| c.value()), Some("hi"));
 ///
 ///     // `get_pending()` does.
-///     let other_pending = jar.get_pending("other");
+///     let session_pending = jar.get_pending("session");
 ///     let message_pending = jar.get_pending("message");
-///     assert_eq!(other_pending.as_ref().map(|c| c.value()), Some("bye!"));
+///     assert_eq!(session_pending.as_ref().map(|c| c.value()), Some("bye!"));
 ///     assert_eq!(message_pending.as_ref().map(|c| c.value()), Some("hello!"));
-///     # jar.remove(Cookie::named("message"));
+///     # jar.remove("message");
 ///     # assert_eq!(jar.get("message").map(|c| c.value()), Some("hi"));
 ///     # assert!(jar.get_pending("message").is_none());
 /// }
@@ -48,7 +48,7 @@ pub use self::cookie::{Cookie, SameSite, Iter};
 /// #     use rocket::local::blocking::Client;
 /// #     let client = Client::debug_with(routes![message]).unwrap();
 /// #     let response = client.get("/message")
-/// #         .cookie(Cookie::new("message", "hi"))
+/// #         .cookie(("message", "hi"))
 /// #         .dispatch();
 /// #
 /// #     assert!(response.status().class().is_success());
@@ -202,7 +202,7 @@ impl<'a> CookieJar<'a> {
     ///
     /// ```rust
     /// # #[macro_use] extern crate rocket;
-    /// use rocket::http::{Cookie, CookieJar};
+    /// use rocket::http::CookieJar;
     ///
     /// #[get("/")]
     /// fn handler(jar: &CookieJar<'_>) {
@@ -226,7 +226,7 @@ impl<'a> CookieJar<'a> {
     ///
     /// ```rust
     /// # #[macro_use] extern crate rocket;
-    /// use rocket::http::{Cookie, CookieJar};
+    /// use rocket::http::CookieJar;
     ///
     /// #[get("/")]
     /// fn handler(jar: &CookieJar<'_>) {
@@ -252,7 +252,7 @@ impl<'a> CookieJar<'a> {
     ///
     /// ```rust
     /// # #[macro_use] extern crate rocket;
-    /// use rocket::http::{Cookie, CookieJar};
+    /// use rocket::http::CookieJar;
     ///
     /// #[get("/")]
     /// fn handler(jar: &CookieJar<'_>) {
@@ -297,17 +297,18 @@ impl<'a> CookieJar<'a> {
     ///
     /// #[get("/")]
     /// fn handler(jar: &CookieJar<'_>) {
-    ///     jar.add(Cookie::new("first", "value"));
+    ///     jar.add(("first", "value"));
     ///
-    ///     let cookie = Cookie::build("other", "value_two")
+    ///     let cookie = Cookie::build(("other", "value_two"))
     ///         .path("/")
     ///         .secure(true)
     ///         .same_site(SameSite::Lax);
     ///
-    ///     jar.add(cookie.finish());
+    ///     jar.add(cookie);
     /// }
     /// ```
-    pub fn add(&self, mut cookie: Cookie<'static>) {
+    pub fn add<C: Into<Cookie<'static>>>(&self, cookie: C) {
+        let mut cookie = cookie.into();
         Self::set_defaults(self.config, &mut cookie);
         self.ops.lock().push(Op::Add(cookie, false));
     }
@@ -334,30 +335,32 @@ impl<'a> CookieJar<'a> {
     ///
     /// ```rust
     /// # #[macro_use] extern crate rocket;
-    /// use rocket::http::{Cookie, CookieJar};
+    /// use rocket::http::CookieJar;
     ///
     /// #[get("/")]
     /// fn handler(jar: &CookieJar<'_>) {
-    ///     jar.add_private(Cookie::new("name", "value"));
+    ///     jar.add_private(("name", "value"));
     /// }
     /// ```
     #[cfg(feature = "secrets")]
     #[cfg_attr(nightly, doc(cfg(feature = "secrets")))]
-    pub fn add_private(&self, mut cookie: Cookie<'static>) {
+    pub fn add_private<C: Into<Cookie<'static>>>(&self, cookie: C) {
+        let mut cookie = cookie.into();
         Self::set_private_defaults(self.config, &mut cookie);
         self.ops.lock().push(Op::Add(cookie, true));
     }
 
     /// Removes `cookie` from this collection and generates a "removal" cookies
-    /// to send to the client on response. For correctness, `cookie` must
-    /// contain the same `path` and `domain` as the cookie that was initially
-    /// set. Failure to provide the initial `path` and `domain` will result in
-    /// cookies that are not properly removed. For convenience, if a path is not
-    /// set on `cookie`, the `"/"` path will automatically be set.
+    /// to send to the client on response. A "removal" cookie is a cookie that
+    /// has the same name as the original cookie but has an empty value, a
+    /// max-age of 0, and an expiration date far in the past.
+    ///
+    /// **Note: For correctness, `cookie` must contain the same `path` and
+    /// `domain` as the cookie that was initially set. Failure to provide the
+    /// initial `path` and `domain` will result in cookies that are not properly
+    /// removed. For convenience, if a path is not set on `cookie`, the `"/"`
+    /// path will automatically be set.**
     ///
-    /// A "removal" cookie is a cookie that has the same name as the original
-    /// cookie but has an empty value, a max-age of 0, and an expiration date
-    /// far in the past.
     ///
     /// # Example
     ///
@@ -367,10 +370,15 @@ impl<'a> CookieJar<'a> {
     ///
     /// #[get("/")]
     /// fn handler(jar: &CookieJar<'_>) {
-    ///     jar.remove(Cookie::named("name"));
+    ///     // Rocket will set `path` to `/`.
+    ///     jar.remove("name");
+    ///
+    ///     // Use a custom-built cookie to set a custom path.
+    ///     jar.remove(Cookie::build("name").path("/login"));
     /// }
     /// ```
-    pub fn remove(&self, mut cookie: Cookie<'static>) {
+    pub fn remove<C: Into<Cookie<'static>>>(&self, cookie: C) {
+        let mut cookie = cookie.into();
         if cookie.path().is_none() {
             cookie.set_path("/");
         }
@@ -388,16 +396,17 @@ impl<'a> CookieJar<'a> {
     ///
     /// ```rust
     /// # #[macro_use] extern crate rocket;
-    /// use rocket::http::{Cookie, CookieJar};
+    /// use rocket::http::CookieJar;
     ///
     /// #[get("/")]
     /// fn handler(jar: &CookieJar<'_>) {
-    ///     jar.remove_private(Cookie::named("name"));
+    ///     jar.remove_private("name");
     /// }
     /// ```
     #[cfg(feature = "secrets")]
     #[cfg_attr(nightly, doc(cfg(feature = "secrets")))]
-    pub fn remove_private(&self, mut cookie: Cookie<'static>) {
+    pub fn remove_private<C: Into<Cookie<'static>>>(&self, cookie: C) {
+        let mut cookie = cookie.into();
         if cookie.path().is_none() {
             cookie.set_path("/");
         }
@@ -415,7 +424,7 @@ impl<'a> CookieJar<'a> {
     ///
     /// ```rust
     /// # #[macro_use] extern crate rocket;
-    /// use rocket::http::{Cookie, CookieJar};
+    /// use rocket::http::CookieJar;
     ///
     /// #[get("/")]
     /// fn handler(jar: &CookieJar<'_>) {
diff --git a/core/lib/src/local/asynchronous/request.rs b/core/lib/src/local/asynchronous/request.rs
index 99447253..76ed3f37 100644
--- a/core/lib/src/local/asynchronous/request.rs
+++ b/core/lib/src/local/asynchronous/request.rs
@@ -24,7 +24,7 @@ use super::{Client, LocalResponse};
 /// let req = client.post("/")
 ///     .header(ContentType::JSON)
 ///     .remote("127.0.0.1:8000".parse().unwrap())
-///     .cookie(Cookie::new("name", "value"))
+///     .cookie(("name", "value"))
 ///     .body(r#"{ "value": 42 }"#);
 ///
 /// let response = req.dispatch().await;
@@ -106,7 +106,7 @@ impl<'c> LocalRequest<'c> {
                 for cookie in response.cookies().iter() {
                     if let Some(expires) = cookie.expires_datetime() {
                         if expires <= current_time {
-                            jar.force_remove(cookie);
+                            jar.force_remove(cookie.name());
                             continue;
                         }
                     }
diff --git a/core/lib/src/local/blocking/request.rs b/core/lib/src/local/blocking/request.rs
index db2f4944..f094c60e 100644
--- a/core/lib/src/local/blocking/request.rs
+++ b/core/lib/src/local/blocking/request.rs
@@ -22,7 +22,7 @@ use super::{Client, LocalResponse};
 /// let req = client.post("/")
 ///     .header(ContentType::JSON)
 ///     .remote("127.0.0.1:8000".parse().unwrap())
-///     .cookie(Cookie::new("name", "value"))
+///     .cookie(("name", "value"))
 ///     .body(r#"{ "value": 42 }"#);
 ///
 /// let response = req.dispatch();
diff --git a/core/lib/src/local/request.rs b/core/lib/src/local/request.rs
index 4ba38634..a04ff5d7 100644
--- a/core/lib/src/local/request.rs
+++ b/core/lib/src/local/request.rs
@@ -131,13 +131,15 @@ macro_rules! pub_request_impl {
     /// # Client::_test(|_, request, _| {
     /// let request: LocalRequest = request;
     /// let req = request
-    ///     .cookie(Cookie::new("username", "sb"))
-    ///     .cookie(Cookie::new("user_id", "12"));
+    ///     .cookie(("username", "sb"))
+    ///     .cookie(("user_id", "12"));
     /// # });
     /// ```
     #[inline]
-    pub fn cookie(mut self, cookie: crate::http::Cookie<'_>) -> Self {
-        self._request_mut().cookies_mut().add_original(cookie.into_owned());
+    pub fn cookie<'a, C>(mut self, cookie: C) -> Self
+        where C: Into<crate::http::Cookie<'a>>
+    {
+        self._request_mut().cookies_mut().add_original(cookie.into().into_owned());
         self
     }
 
@@ -151,15 +153,17 @@ macro_rules! pub_request_impl {
     ///
     /// # Client::_test(|_, request, _| {
     /// let request: LocalRequest = request;
-    /// let cookies = vec![Cookie::new("a", "b"), Cookie::new("c", "d")];
+    /// let cookies = vec![("a", "b"), ("c", "d")];
     /// let req = request.cookies(cookies);
     /// # });
     /// ```
     #[inline]
-    pub fn cookies<'a, C>(mut self, cookies: C) -> Self
-        where C: IntoIterator<Item = crate::http::Cookie<'a>>
+    pub fn cookies<'a, C, I>(mut self, cookies: I) -> Self
+        where C: Into<crate::http::Cookie<'a>>,
+              I: IntoIterator<Item = C>
     {
         for cookie in cookies {
+            let cookie: crate::http::Cookie<'_> = cookie.into();
             self._request_mut().cookies_mut().add_original(cookie.into_owned());
         }
 
@@ -180,14 +184,16 @@ macro_rules! pub_request_impl {
     ///
     /// # Client::_test(|_, request, _| {
     /// let request: LocalRequest = request;
-    /// let req = request.private_cookie(Cookie::new("user_id", "sb"));
+    /// let req = request.private_cookie(("user_id", "sb"));
     /// # });
     /// ```
     #[cfg(feature = "secrets")]
     #[cfg_attr(nightly, doc(cfg(feature = "secrets")))]
     #[inline]
-    pub fn private_cookie(mut self, cookie: crate::http::Cookie<'static>) -> Self {
-        self._request_mut().cookies_mut().add_original_private(cookie);
+    pub fn private_cookie<C>(mut self, cookie: C) -> Self
+        where C: Into<crate::http::Cookie<'static>>
+    {
+        self._request_mut().cookies_mut().add_original_private(cookie.into());
         self
     }
 
diff --git a/core/lib/src/request/request.rs b/core/lib/src/request/request.rs
index 62a2bb1e..7f7e50e7 100644
--- a/core/lib/src/request/request.rs
+++ b/core/lib/src/request/request.rs
@@ -446,8 +446,8 @@ impl<'r> Request<'r> {
     /// # let c = rocket::local::blocking::Client::debug_with(vec![]).unwrap();
     /// # let request = c.get("/");
     /// # let req = request.inner();
-    /// req.cookies().add(Cookie::new("key", "val"));
-    /// req.cookies().add(Cookie::new("ans", format!("life: {}", 38 + 4)));
+    /// req.cookies().add(("key", "val"));
+    /// req.cookies().add(("ans", format!("life: {}", 38 + 4)));
     ///
     /// assert_eq!(req.cookies().get_pending("key").unwrap().value(), "val");
     /// assert_eq!(req.cookies().get_pending("ans").unwrap().value(), "life: 42");
diff --git a/core/lib/src/response/flash.rs b/core/lib/src/response/flash.rs
index dc665458..187223ab 100644
--- a/core/lib/src/response/flash.rs
+++ b/core/lib/src/response/flash.rs
@@ -178,9 +178,9 @@ impl<R> Flash<R> {
         let content = format!("{}{}{}{}",
             self.kind.len(), FLASH_COOKIE_DELIM, self.kind, self.message);
 
-        Cookie::build(FLASH_COOKIE_NAME, content)
+        Cookie::build((FLASH_COOKIE_NAME, content))
             .max_age(Duration::minutes(5))
-            .finish()
+            .build()
     }
 }
 
@@ -211,7 +211,7 @@ impl<'r> FlashMessage<'r> {
     fn clear_cookie_if_needed(&self) {
         // Remove the cookie if it hasn't already been removed.
         if !self.consumed.swap(true, Ordering::Relaxed) {
-            self.inner.remove(Cookie::named(FLASH_COOKIE_NAME));
+            self.inner.remove(FLASH_COOKIE_NAME);
         }
     }
 
diff --git a/core/lib/tests/catcher-cookies-1213.rs b/core/lib/tests/catcher-cookies-1213.rs
index d8d09f17..0b7e81d4 100644
--- a/core/lib/tests/catcher-cookies-1213.rs
+++ b/core/lib/tests/catcher-cookies-1213.rs
@@ -1,17 +1,17 @@
 #[macro_use] extern crate rocket;
 
 use rocket::request::Request;
-use rocket::http::{Cookie, CookieJar};
+use rocket::http::CookieJar;
 
 #[catch(404)]
 fn not_found(request: &Request) -> &'static str {
-    request.cookies().add(Cookie::new("not_found", "404"));
+    request.cookies().add(("not_found", "404"));
     "404 - Not Found"
 }
 
 #[get("/")]
 fn index(cookies: &CookieJar<'_>) -> &'static str {
-    cookies.add(Cookie::new("index", "hi"));
+    cookies.add(("index", "hi"));
     "Hello, world!"
 }
 
@@ -26,7 +26,7 @@ mod tests {
             .mount("/", routes![index])
             .register("/", catchers![not_found])
             .attach(AdHoc::on_request("Add Cookie", |req, _| Box::pin(async move {
-                req.cookies().add(Cookie::new("fairing", "woo"));
+                req.cookies().add(("fairing", "woo"));
             })));
 
         let client = Client::debug(rocket).unwrap();
diff --git a/core/lib/tests/cookies-private.rs b/core/lib/tests/cookies-private.rs
index e499ed34..c6e11a24 100644
--- a/core/lib/tests/cookies-private.rs
+++ b/core/lib/tests/cookies-private.rs
@@ -10,7 +10,7 @@ fn cookie_add_private(jar: &CookieJar<'_>) {
     jar.add(cookie_a.clone());
     let mut cookie_b = Cookie::new("b", "v2");
     jar.add_private(cookie_b.clone());
-    jar.add(Cookie::new("c", "v3"));
+    jar.add(("c", "v3"));
 
     // private: CookieJar::set_defaults(&mut cookie_a);
     cookie_a.set_path("/");
@@ -89,9 +89,9 @@ mod cookies_private_tests {
         let client = Client::debug(rocket()).unwrap();
         let response = client
             .get("/")
-            .cookie(Cookie::new("a", "Cookie"))
-            .private_cookie(Cookie::new("b", " tastes "))
-            .cookie(Cookie::new("c", "good!"))
+            .cookie(("a", "Cookie"))
+            .private_cookie(("b", " tastes "))
+            .cookie(("c", "good!"))
             .dispatch();
 
         assert_eq!(response.into_string().unwrap(), "Cookie tastes good!");
@@ -103,9 +103,9 @@ mod cookies_private_tests {
         let client = Client::debug(rocket()).unwrap();
         let response = client
             .get("/oh-no")
-            .cookie(Cookie::new("a", "Cookie"))
-            .private_cookie(Cookie::new("b", " tastes "))
-            .cookie(Cookie::new("c", "good!"))
+            .cookie(("a", "Cookie"))
+            .private_cookie(("b", " tastes "))
+            .cookie(("c", "good!"))
             .dispatch();
 
         assert_ne!(response.into_string().unwrap(), "Cookie tastes good!");
diff --git a/core/lib/tests/local_request_private_cookie-issue-368.rs b/core/lib/tests/local_request_private_cookie-issue-368.rs
index 2a516f2a..34b98ce9 100644
--- a/core/lib/tests/local_request_private_cookie-issue-368.rs
+++ b/core/lib/tests/local_request_private_cookie-issue-368.rs
@@ -14,14 +14,14 @@ mod tests {
     use super::*;
     use rocket::routes;
     use rocket::local::blocking::Client;
-    use rocket::http::{Cookie, Status};
+    use rocket::http::Status;
 
     #[test]
     fn private_cookie_is_returned() {
         let rocket = rocket::build().mount("/", routes![return_private_cookie]);
 
         let client = Client::debug(rocket).unwrap();
-        let req = client.get("/").private_cookie(Cookie::new("cookie_name", "cookie_value"));
+        let req = client.get("/").private_cookie(("cookie_name", "cookie_value"));
         let response = req.dispatch();
 
         assert_eq!(response.headers().get_one("Set-Cookie"), None);
@@ -33,7 +33,7 @@ mod tests {
         let rocket = rocket::build().mount("/", routes![return_private_cookie]);
 
         let client = Client::debug(rocket).unwrap();
-        let req = client.get("/").cookie(Cookie::new("cookie_name", "cookie_value"));
+        let req = client.get("/").cookie(("cookie_name", "cookie_value"));
         let response = req.dispatch();
 
         assert_eq!(response.status(), Status::NotFound);
diff --git a/core/lib/tests/many-cookie-jars-at-once.rs b/core/lib/tests/many-cookie-jars-at-once.rs
index 5e8a9ff4..781daffa 100644
--- a/core/lib/tests/many-cookie-jars-at-once.rs
+++ b/core/lib/tests/many-cookie-jars-at-once.rs
@@ -1,11 +1,11 @@
 #[macro_use] extern crate rocket;
 
-use rocket::http::{Cookie, CookieJar};
+use rocket::http::CookieJar;
 
 #[post("/")]
 fn multi_add(jar_a: &CookieJar<'_>, jar_b: &CookieJar<'_>) {
-    jar_a.add(Cookie::new("a", "v1"));
-    jar_b.add(Cookie::new("b", "v2"));
+    jar_a.add(("a", "v1"));
+    jar_b.add(("b", "v2"));
 }
 
 #[get("/")]
@@ -41,8 +41,8 @@ mod many_cookie_jars_tests {
     fn test_multi_get() {
         let client = Client::debug(rocket()).unwrap();
         let response = client.get("/")
-            .cookie(Cookie::new("a", "a_val"))
-            .cookie(Cookie::new("b", "hi!"))
+            .cookie(("a", "a_val"))
+            .cookie(("b", "hi!"))
             .dispatch();
 
         assert_eq!(response.into_string().unwrap(), "a_valhi!");
diff --git a/core/lib/tests/session-cookies-issue-1506.rs b/core/lib/tests/session-cookies-issue-1506.rs
index 51662140..7ae72526 100644
--- a/core/lib/tests/session-cookies-issue-1506.rs
+++ b/core/lib/tests/session-cookies-issue-1506.rs
@@ -4,8 +4,7 @@ use rocket::http::{CookieJar, Cookie};
 
 #[rocket::get("/")]
 fn index(jar: &CookieJar<'_>) {
-    let session_cookie = Cookie::build("key", "value").expires(None);
-    jar.add_private(session_cookie.finish());
+    jar.add_private(Cookie::build(("key", "value")).expires(None));
 }
 
 mod test_session_cookies {
diff --git a/core/lib/tests/untracked-vs-tracked.rs b/core/lib/tests/untracked-vs-tracked.rs
index c9df4f24..343fb3ee 100644
--- a/core/lib/tests/untracked-vs-tracked.rs
+++ b/core/lib/tests/untracked-vs-tracked.rs
@@ -1,10 +1,10 @@
 #[macro_use] extern crate rocket;
 
-use rocket::http::{Cookie, CookieJar};
+use rocket::http::CookieJar;
 
 #[post("/")]
 fn add(jar: &CookieJar<'_>) {
-    jar.add(Cookie::new("name", "value"));
+    jar.add(("name", "value"));
 }
 
 #[get("/")]
diff --git a/examples/cookies/src/message.rs b/examples/cookies/src/message.rs
index aa1fb0d3..d4896adb 100644
--- a/examples/cookies/src/message.rs
+++ b/examples/cookies/src/message.rs
@@ -12,17 +12,14 @@ pub use message_uri as uri;
 
 #[post("/", data = "<message>")]
 fn submit(cookies: &CookieJar<'_>, message: Form<&str>) -> Redirect {
-    cookies.add(Cookie::new("message", message.to_string()));
+    cookies.add(("message", message.to_string()));
     Redirect::to(uri!(index))
 }
 
 #[get("/")]
 fn index(cookies: &CookieJar<'_>) -> Template {
-    let cookie = cookies.get("message");
-
-    Template::render("message", context! {
-        message: cookie.map(|c| c.value()),
-    })
+    let message = cookies.get("message").map(|c| c.value());
+    Template::render("message", context! { message })
 }
 
 pub fn routes() -> Vec<rocket::Route> {
diff --git a/examples/cookies/src/session.rs b/examples/cookies/src/session.rs
index c4309a42..d66a5911 100644
--- a/examples/cookies/src/session.rs
+++ b/examples/cookies/src/session.rs
@@ -60,7 +60,7 @@ fn login_page(flash: Option<FlashMessage<'_>>) -> Template {
 #[post("/login", data = "<login>")]
 fn post_login(jar: &CookieJar<'_>, login: Form<Login<'_>>) -> Result<Redirect, Flash<Redirect>> {
     if login.username == "Sergio" && login.password == "password" {
-        jar.add_private(Cookie::new("user_id", 1.to_string()));
+        jar.add_private(("user_id", "1"));
         Ok(Redirect::to(uri!(index)))
     } else {
         Err(Flash::error(Redirect::to(uri!(login_page)), "Invalid username/password."))
@@ -69,7 +69,7 @@ fn post_login(jar: &CookieJar<'_>, login: Form<Login<'_>>) -> Result<Redirect, F
 
 #[post("/logout")]
 fn logout(jar: &CookieJar<'_>) -> Flash<Redirect> {
-    jar.remove_private(Cookie::named("user_id"));
+    jar.remove_private("user_id");
     Flash::success(Redirect::to(uri!(login_page)), "Successfully logged out.")
 }
 
diff --git a/examples/tls/src/tests.rs b/examples/tls/src/tests.rs
index 2f48af02..2629e3c4 100644
--- a/examples/tls/src/tests.rs
+++ b/examples/tls/src/tests.rs
@@ -27,11 +27,11 @@ fn secure_cookies() {
 
     #[get("/cookie")]
     fn cookie(jar: &CookieJar<'_>) {
-        jar.add(Cookie::new("k1", "v1"));
-        jar.add_private(Cookie::new("k2", "v2"));
+        jar.add(("k1", "v1"));
+        jar.add_private(("k2", "v2"));
 
-        jar.add(Cookie::build("k1u", "v1u").secure(false).finish());
-        jar.add_private(Cookie::build("k2u", "v2u").secure(false).finish());
+        jar.add(Cookie::build(("k1u", "v1u")).secure(false));
+        jar.add_private(Cookie::build(("k2u", "v2u")).secure(false));
     }
 
     let client = Client::tracked(super::rocket().mount("/", routes![cookie])).unwrap();
diff --git a/site/guide/4-requests.md b/site/guide/4-requests.md
index 4fe8fee5..1a1a8c63 100644
--- a/site/guide/4-requests.md
+++ b/site/guide/4-requests.md
@@ -631,7 +631,7 @@ fn user_id(cookies: &CookieJar<'_>) -> Option<String> {
 /// Remove the `user_id` cookie.
 #[post("/logout")]
 fn logout(cookies: &CookieJar<'_>) -> Flash<Redirect> {
-    cookies.remove_private(Cookie::named("user_id"));
+    cookies.remove_private("user_id");
     Flash::success(Redirect::to("/"), "Successfully logged out.")
 }
 ```