diff --git a/crates/ruma-push-gateway-api/src/lib.rs b/crates/ruma-push-gateway-api/src/lib.rs
index dc329f4e..b1b47b3c 100644
--- a/crates/ruma-push-gateway-api/src/lib.rs
+++ b/crates/ruma-push-gateway-api/src/lib.rs
@@ -3,7 +3,7 @@
 //! (De)serializable types for the [Matrix Push Gateway API][push-api].
 //! These types can be shared by push gateway and server code.
 //!
-//! [push-api]: https://matrix.org/docs/spec/push_gateway/r0.1.1.html
+//! [push-api]: https://spec.matrix.org/v1.2/push-gateway-api/
 
 #![warn(missing_docs)]
 
diff --git a/crates/ruma-push-gateway-api/src/send_event_notification.rs b/crates/ruma-push-gateway-api/src/send_event_notification.rs
index 671eb224..df2a6f22 100644
--- a/crates/ruma-push-gateway-api/src/send_event_notification.rs
+++ b/crates/ruma-push-gateway-api/src/send_event_notification.rs
@@ -1,4 +1,402 @@
+//! `POST /_matrix/push/*/notify`
+//!
 //! Endpoint to notify a push gateway about an event or update the number of unread notifications a
 //! user has.
 
-pub mod v1;
+pub mod v1 {
+    //! `/v1/` ([spec])
+    //!
+    //! [spec]: https://spec.matrix.org/v1.2/push-gateway-api/#post_matrixpushv1notify
+
+    use js_int::UInt;
+    use ruma_api::ruma_api;
+    use ruma_common::{
+        push::{PusherData, Tweak},
+        SecondsSinceUnixEpoch,
+    };
+    use ruma_events::EventType;
+    use ruma_identifiers::{EventId, RoomAliasId, RoomId, RoomName, UserId};
+    use ruma_serde::{Outgoing, StringEnum};
+    use serde::{Deserialize, Serialize};
+    use serde_json::value::RawValue as RawJsonValue;
+
+    use crate::PrivOwnedStr;
+
+    ruma_api! {
+        metadata: {
+            description: "Notify a push gateway about an event or update the number of unread notifications a user has",
+            name: "send_event_notification",
+            method: POST,
+            stable_path: "/_matrix/push/v1/notify",
+            rate_limited: false,
+            authentication: None,
+            added: 1.0,
+        }
+
+        request: {
+            /// Information about the push notification
+            pub notification: Notification<'a>,
+        }
+
+        #[derive(Default)]
+        response: {
+            /// A list of all pushkeys given in the notification request that are not valid.
+            ///
+            /// These could have been rejected by an upstream gateway because they have expired or have
+            /// never been valid. Homeservers must cease sending notification requests for these
+            /// pushkeys and remove the associated pushers. It may not necessarily be the notification
+            /// in the request that failed: it could be that a previous notification to the same pushkey
+            /// failed. May be empty.
+            pub rejected: Vec<String>,
+        }
+    }
+
+    impl<'a> Request<'a> {
+        /// Creates a new `Request` with the given notification.
+        pub fn new(notification: Notification<'a>) -> Self {
+            Self { notification }
+        }
+    }
+
+    impl Response {
+        /// Creates a new `Response` with the given list of rejected pushkeys.
+        pub fn new(rejected: Vec<String>) -> Self {
+            Self { rejected }
+        }
+    }
+
+    /// Type for passing information about a push notification
+    #[derive(Clone, Debug, Default, Outgoing, Serialize)]
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
+    pub struct Notification<'a> {
+        /// The Matrix event ID of the event being notified about.
+        ///
+        /// Required if the notification is about a particular Matrix event. May be omitted for
+        /// notifications that only contain updated badge counts. This ID can and should be used to
+        /// detect duplicate notification requests.
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub event_id: Option<&'a EventId>,
+
+        /// The ID of the room in which this event occurred.
+        ///
+        /// Required if the notification relates to a specific Matrix event.
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub room_id: Option<&'a RoomId>,
+
+        /// The type of the event as in the event's `type` field.
+        #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
+        pub event_type: Option<&'a EventType>,
+
+        /// The sender of the event as in the corresponding event field.
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub sender: Option<&'a UserId>,
+
+        /// The current display name of the sender in the room in which the event occurred.
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub sender_display_name: Option<&'a str>,
+
+        /// The name of the room in which the event occurred.
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub room_name: Option<&'a RoomName>,
+
+        /// An alias to display for the room in which the event occurred.
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub room_alias: Option<&'a RoomAliasId>,
+
+        /// Whether the user receiving the notification is the subject of a member event (i.e. the
+        /// `state_key` of the member event is equal to the user's Matrix ID).
+        #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
+        pub user_is_target: bool,
+
+        /// The priority of the notification.
+        ///
+        /// If omitted, `high` is assumed. This may be used by push gateways to deliver less
+        /// time-sensitive notifications in a way that will preserve battery power on mobile
+        /// devices.
+        #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
+        pub prio: NotificationPriority,
+
+        /// The `content` field from the event, if present.
+        ///
+        /// The pusher may omit this if the event had no content or for any other reason.
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub content: Option<&'a RawJsonValue>,
+
+        /// Current number of unacknowledged communications for the recipient user.
+        ///
+        /// Counts whose value is zero should be omitted.
+        #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
+        pub counts: NotificationCounts,
+
+        /// An array of devices that the notification should be sent to.
+        pub devices: &'a [Device],
+    }
+
+    impl<'a> Notification<'a> {
+        /// Create a new notification for the given devices.
+        pub fn new(devices: &'a [Device]) -> Self {
+            Notification { devices, ..Default::default() }
+        }
+    }
+
+    /// Type for passing information about notification priority.
+    ///
+    /// This may be used by push gateways to deliver less time-sensitive
+    /// notifications in a way that will preserve battery power on mobile devices.
+    ///
+    /// This type can hold an arbitrary string. To check for formats that are not available as a
+    /// documented variant here, use its string representation, obtained through `.as_str()`.
+    #[derive(Clone, Debug, PartialEq, Eq, StringEnum)]
+    #[ruma_enum(rename_all = "snake_case")]
+    #[non_exhaustive]
+    pub enum NotificationPriority {
+        /// A high priority notification
+        High,
+
+        /// A low priority notification
+        Low,
+
+        #[doc(hidden)]
+        _Custom(PrivOwnedStr),
+    }
+
+    impl NotificationPriority {
+        /// Creates a string slice from this `NotificationPriority`.
+        pub fn as_str(&self) -> &str {
+            self.as_ref()
+        }
+    }
+
+    impl Default for NotificationPriority {
+        fn default() -> Self {
+            Self::High
+        }
+    }
+
+    /// Type for passing information about notification counts.
+    #[derive(Clone, Debug, Default, Deserialize, Serialize, PartialEq)]
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
+    pub struct NotificationCounts {
+        /// The number of unread messages a user has across all of the rooms they
+        /// are a member of.
+        #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
+        pub unread: UInt,
+
+        /// The number of unacknowledged missed calls a user has across all rooms of
+        /// which they are a member.
+        #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
+        pub missed_calls: UInt,
+    }
+
+    impl NotificationCounts {
+        /// Create new notification counts from the given unread and missed call
+        /// counts.
+        pub fn new(unread: UInt, missed_calls: UInt) -> Self {
+            NotificationCounts { unread, missed_calls }
+        }
+    }
+
+    /// Type for passing information about devices.
+    #[derive(Clone, Debug, Deserialize, Outgoing, Serialize)]
+    #[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
+    pub struct Device {
+        /// The `app_id` given when the pusher was created.
+        ///
+        /// Max length: 64 chars.
+        pub app_id: String,
+
+        /// The `pushkey` given when the pusher was created.
+        ///
+        /// Max length: 512 bytes.
+        pub pushkey: String,
+
+        /// The unix timestamp (in seconds) when the pushkey was last updated.
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub pushkey_ts: Option<SecondsSinceUnixEpoch>,
+
+        /// A dictionary of additional pusher-specific data.
+        ///
+        /// For 'http' pushers, this is the data dictionary passed in at pusher creation minus the
+        /// `url` key.
+        #[serde(default, skip_serializing_if = "PusherData::is_empty")]
+        pub data: PusherData,
+
+        /// A dictionary of customisations made to the way this notification is to be presented.
+        ///
+        /// These are added by push rules.
+        #[serde(with = "tweak_serde", skip_serializing_if = "Vec::is_empty")]
+        pub tweaks: Vec<Tweak>,
+    }
+
+    impl Device {
+        /// Create a new device with the given app id and pushkey
+        pub fn new(app_id: String, pushkey: String) -> Self {
+            Device {
+                app_id,
+                pushkey,
+                pushkey_ts: None,
+                data: PusherData::new(),
+                tweaks: Vec::new(),
+            }
+        }
+    }
+
+    mod tweak_serde {
+        use std::fmt;
+
+        use ruma_common::push::Tweak;
+        use serde::{
+            de::{MapAccess, Visitor},
+            ser::SerializeMap,
+            Deserializer, Serializer,
+        };
+
+        pub fn serialize<S>(tweak: &[Tweak], serializer: S) -> Result<S::Ok, S::Error>
+        where
+            S: Serializer,
+        {
+            let mut map = serializer.serialize_map(Some(tweak.len()))?;
+            for item in tweak {
+                #[allow(unreachable_patterns)]
+                match item {
+                    Tweak::Highlight(b) => map.serialize_entry("highlight", b)?,
+                    Tweak::Sound(value) => map.serialize_entry("sound", value)?,
+                    Tweak::Custom { value, name } => map.serialize_entry(name, value)?,
+                    _ => unreachable!("variant added to Tweak not covered by Custom"),
+                }
+            }
+            map.end()
+        }
+
+        struct TweaksVisitor;
+
+        impl<'de> Visitor<'de> for TweaksVisitor {
+            type Value = Vec<Tweak>;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
+                formatter.write_str("List of tweaks")
+            }
+
+            fn visit_map<M>(self, mut access: M) -> Result<Self::Value, M::Error>
+            where
+                M: MapAccess<'de>,
+            {
+                let mut tweaks = vec![];
+                while let Some(key) = access.next_key::<String>()? {
+                    match &*key {
+                        "sound" => tweaks.push(Tweak::Sound(access.next_value()?)),
+                        // If a highlight tweak is given with no value, its value is defined to be
+                        // true.
+                        "highlight" => {
+                            let highlight = if let Ok(highlight) = access.next_value() {
+                                highlight
+                            } else {
+                                true
+                            };
+
+                            tweaks.push(Tweak::Highlight(highlight));
+                        }
+                        _ => tweaks.push(Tweak::Custom { name: key, value: access.next_value()? }),
+                    };
+                }
+
+                // If no highlight tweak is given at all then the value of highlight is defined to
+                // be false.
+                if !tweaks.iter().any(|tw| matches!(tw, Tweak::Highlight(_))) {
+                    tweaks.push(Tweak::Highlight(false));
+                }
+
+                Ok(tweaks)
+            }
+        }
+
+        pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<Tweak>, D::Error>
+        where
+            D: Deserializer<'de>,
+        {
+            deserializer.deserialize_map(TweaksVisitor)
+        }
+    }
+
+    #[cfg(test)]
+    mod tests {
+        use js_int::uint;
+        use ruma_common::SecondsSinceUnixEpoch;
+        use ruma_events::EventType;
+        use ruma_identifiers::{event_id, room_alias_id, room_id, user_id};
+        use serde_json::{
+            from_value as from_json_value, json, to_value as to_json_value, Value as JsonValue,
+        };
+
+        use super::{Device, Notification, NotificationCounts, NotificationPriority, Tweak};
+
+        #[test]
+        fn serialize_request() {
+            let expected = json!({
+                "event_id": "$3957tyerfgewrf384",
+                "room_id": "!slw48wfj34rtnrf:example.com",
+                "type": "m.room.message",
+                "sender": "@exampleuser:matrix.org",
+                "sender_display_name": "Major Tom",
+                "room_alias": "#exampleroom:matrix.org",
+                "prio": "low",
+                "content": {},
+                "counts": {
+                  "unread": 2,
+                },
+                "devices": [
+                  {
+                    "app_id": "org.matrix.matrixConsole.ios",
+                    "pushkey": "V2h5IG9uIGVhcnRoIGRpZCB5b3UgZGVjb2RlIHRoaXM/",
+                    "pushkey_ts": 123,
+                    "tweaks": {
+                      "sound": "silence",
+                      "highlight": true,
+                      "custom": "go wild"
+                    }
+                  }
+                ]
+            });
+
+            let eid = event_id!("$3957tyerfgewrf384");
+            let rid = room_id!("!slw48wfj34rtnrf:example.com");
+            let uid = user_id!("@exampleuser:matrix.org");
+            let alias = room_alias_id!("#exampleroom:matrix.org");
+
+            let count = NotificationCounts { unread: uint!(2), ..NotificationCounts::default() };
+
+            let device = Device {
+                pushkey_ts: Some(SecondsSinceUnixEpoch(uint!(123))),
+                tweaks: vec![
+                    Tweak::Highlight(true),
+                    Tweak::Sound("silence".into()),
+                    Tweak::Custom {
+                        name: "custom".into(),
+                        value: from_json_value(JsonValue::String("go wild".into())).unwrap(),
+                    },
+                ],
+                ..Device::new(
+                    "org.matrix.matrixConsole.ios".into(),
+                    "V2h5IG9uIGVhcnRoIGRpZCB5b3UgZGVjb2RlIHRoaXM/".into(),
+                )
+            };
+            let devices = &[device];
+
+            let notice = Notification {
+                event_id: Some(eid),
+                room_id: Some(rid),
+                event_type: Some(&EventType::RoomMessage),
+                sender: Some(uid),
+                sender_display_name: Some("Major Tom"),
+                room_alias: Some(alias),
+                content: Some(serde_json::from_str("{}").unwrap()),
+                counts: count,
+                prio: NotificationPriority::Low,
+                devices,
+                ..Notification::default()
+            };
+
+            assert_eq!(expected, to_json_value(notice).unwrap())
+        }
+    }
+}
diff --git a/crates/ruma-push-gateway-api/src/send_event_notification/v1.rs b/crates/ruma-push-gateway-api/src/send_event_notification/v1.rs
deleted file mode 100644
index b5495add..00000000
--- a/crates/ruma-push-gateway-api/src/send_event_notification/v1.rs
+++ /dev/null
@@ -1,382 +0,0 @@
-//! [POST /_matrix/push/v1/notify](https://matrix.org/docs/spec/push_gateway/r0.1.1#post-matrix-push-v1-notify)
-
-use js_int::UInt;
-use ruma_api::ruma_api;
-use ruma_common::{
-    push::{PusherData, Tweak},
-    SecondsSinceUnixEpoch,
-};
-use ruma_events::EventType;
-use ruma_identifiers::{EventId, RoomAliasId, RoomId, RoomName, UserId};
-use ruma_serde::{Outgoing, StringEnum};
-use serde::{Deserialize, Serialize};
-use serde_json::value::RawValue as RawJsonValue;
-
-use crate::PrivOwnedStr;
-
-ruma_api! {
-    metadata: {
-        description: "Notify a push gateway about an event or update the number of unread notifications a user has",
-        name: "send_event_notification",
-        method: POST,
-        stable_path: "/_matrix/push/v1/notify",
-        rate_limited: false,
-        authentication: None,
-        added: 1.0,
-    }
-
-    request: {
-        /// Information about the push notification
-        pub notification: Notification<'a>,
-    }
-
-    #[derive(Default)]
-    response: {
-        /// A list of all pushkeys given in the notification request that are not valid.
-        ///
-        /// These could have been rejected by an upstream gateway because they have expired or have
-        /// never been valid. Homeservers must cease sending notification requests for these
-        /// pushkeys and remove the associated pushers. It may not necessarily be the notification
-        /// in the request that failed: it could be that a previous notification to the same pushkey
-        /// failed. May be empty.
-        pub rejected: Vec<String>,
-    }
-}
-
-impl<'a> Request<'a> {
-    /// Creates a new `Request` with the given notification.
-    pub fn new(notification: Notification<'a>) -> Self {
-        Self { notification }
-    }
-}
-
-impl Response {
-    /// Creates a new `Response` with the given list of rejected pushkeys.
-    pub fn new(rejected: Vec<String>) -> Self {
-        Self { rejected }
-    }
-}
-
-/// Type for passing information about a push notification
-#[derive(Clone, Debug, Default, Outgoing, Serialize)]
-#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
-pub struct Notification<'a> {
-    /// The Matrix event ID of the event being notified about.
-    ///
-    /// Required if the notification is about a particular Matrix event. May be omitted for
-    /// notifications that only contain updated badge counts. This ID can and should be used to
-    /// detect duplicate notification requests.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub event_id: Option<&'a EventId>,
-
-    /// The ID of the room in which this event occurred.
-    ///
-    /// Required if the notification relates to a specific Matrix event.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub room_id: Option<&'a RoomId>,
-
-    /// The type of the event as in the event's `type` field.
-    #[serde(rename = "type", skip_serializing_if = "Option::is_none")]
-    pub event_type: Option<&'a EventType>,
-
-    /// The sender of the event as in the corresponding event field.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub sender: Option<&'a UserId>,
-
-    /// The current display name of the sender in the room in which the event occurred.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub sender_display_name: Option<&'a str>,
-
-    /// The name of the room in which the event occurred.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub room_name: Option<&'a RoomName>,
-
-    /// An alias to display for the room in which the event occurred.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub room_alias: Option<&'a RoomAliasId>,
-
-    /// Whether the user receiving the notification is the subject of a member event (i.e. the
-    /// `state_key` of the member event is equal to the user's Matrix ID).
-    #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
-    pub user_is_target: bool,
-
-    /// The priority of the notification.
-    ///
-    /// If omitted, `high` is assumed. This may be used by push gateways to deliver less
-    /// time-sensitive notifications in a way that will preserve battery power on mobile devices.
-    #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
-    pub prio: NotificationPriority,
-
-    /// The `content` field from the event, if present.
-    ///
-    /// The pusher may omit this if the event had no content or for any other reason.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub content: Option<&'a RawJsonValue>,
-
-    /// Current number of unacknowledged communications for the recipient user.
-    ///
-    /// Counts whose value is zero should be omitted.
-    #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
-    pub counts: NotificationCounts,
-
-    /// An array of devices that the notification should be sent to.
-    pub devices: &'a [Device],
-}
-
-impl<'a> Notification<'a> {
-    /// Create a new notification for the given devices.
-    pub fn new(devices: &'a [Device]) -> Self {
-        Notification { devices, ..Default::default() }
-    }
-}
-
-/// Type for passing information about notification priority.
-///
-/// This may be used by push gateways to deliver less time-sensitive
-/// notifications in a way that will preserve battery power on mobile devices.
-///
-/// This type can hold an arbitrary string. To check for formats that are not available as a
-/// documented variant here, use its string representation, obtained through `.as_str()`.
-#[derive(Clone, Debug, PartialEq, Eq, StringEnum)]
-#[ruma_enum(rename_all = "snake_case")]
-#[non_exhaustive]
-pub enum NotificationPriority {
-    /// A high priority notification
-    High,
-
-    /// A low priority notification
-    Low,
-
-    #[doc(hidden)]
-    _Custom(PrivOwnedStr),
-}
-
-impl NotificationPriority {
-    /// Creates a string slice from this `NotificationPriority`.
-    pub fn as_str(&self) -> &str {
-        self.as_ref()
-    }
-}
-
-impl Default for NotificationPriority {
-    fn default() -> Self {
-        Self::High
-    }
-}
-
-/// Type for passing information about notification counts.
-#[derive(Clone, Debug, Default, Deserialize, Serialize, PartialEq)]
-#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
-pub struct NotificationCounts {
-    /// The number of unread messages a user has across all of the rooms they
-    /// are a member of.
-    #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
-    pub unread: UInt,
-
-    /// The number of unacknowledged missed calls a user has across all rooms of
-    /// which they are a member.
-    #[serde(default, skip_serializing_if = "ruma_serde::is_default")]
-    pub missed_calls: UInt,
-}
-
-impl NotificationCounts {
-    /// Create new notification counts from the given unread and missed call
-    /// counts.
-    pub fn new(unread: UInt, missed_calls: UInt) -> Self {
-        NotificationCounts { unread, missed_calls }
-    }
-}
-
-/// Type for passing information about devices.
-#[derive(Clone, Debug, Deserialize, Outgoing, Serialize)]
-#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
-pub struct Device {
-    /// The `app_id` given when the pusher was created.
-    ///
-    /// Max length: 64 chars.
-    pub app_id: String,
-
-    /// The `pushkey` given when the pusher was created.
-    ///
-    /// Max length: 512 bytes.
-    pub pushkey: String,
-
-    /// The unix timestamp (in seconds) when the pushkey was last updated.
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub pushkey_ts: Option<SecondsSinceUnixEpoch>,
-
-    /// A dictionary of additional pusher-specific data.
-    ///
-    /// For 'http' pushers, this is the data dictionary passed in at pusher creation minus the
-    /// `url` key.
-    #[serde(default, skip_serializing_if = "PusherData::is_empty")]
-    pub data: PusherData,
-
-    /// A dictionary of customisations made to the way this notification is to be presented.
-    ///
-    /// These are added by push rules.
-    #[serde(with = "tweak_serde", skip_serializing_if = "Vec::is_empty")]
-    pub tweaks: Vec<Tweak>,
-}
-
-impl Device {
-    /// Create a new device with the given app id and pushkey
-    pub fn new(app_id: String, pushkey: String) -> Self {
-        Device { app_id, pushkey, pushkey_ts: None, data: PusherData::new(), tweaks: Vec::new() }
-    }
-}
-
-mod tweak_serde {
-    use std::fmt;
-
-    use ruma_common::push::Tweak;
-    use serde::{
-        de::{MapAccess, Visitor},
-        ser::SerializeMap,
-        Deserializer, Serializer,
-    };
-
-    pub fn serialize<S>(tweak: &[Tweak], serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        let mut map = serializer.serialize_map(Some(tweak.len()))?;
-        for item in tweak {
-            #[allow(unreachable_patterns)]
-            match item {
-                Tweak::Highlight(b) => map.serialize_entry("highlight", b)?,
-                Tweak::Sound(value) => map.serialize_entry("sound", value)?,
-                Tweak::Custom { value, name } => map.serialize_entry(name, value)?,
-                _ => unreachable!("variant added to Tweak not covered by Custom"),
-            }
-        }
-        map.end()
-    }
-
-    struct TweaksVisitor;
-
-    impl<'de> Visitor<'de> for TweaksVisitor {
-        type Value = Vec<Tweak>;
-
-        fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
-            formatter.write_str("List of tweaks")
-        }
-
-        fn visit_map<M>(self, mut access: M) -> Result<Self::Value, M::Error>
-        where
-            M: MapAccess<'de>,
-        {
-            let mut tweaks = vec![];
-            while let Some(key) = access.next_key::<String>()? {
-                match &*key {
-                    "sound" => tweaks.push(Tweak::Sound(access.next_value()?)),
-                    // If a highlight tweak is given with no value, its value is defined to be true.
-                    "highlight" => {
-                        let highlight =
-                            if let Ok(highlight) = access.next_value() { highlight } else { true };
-
-                        tweaks.push(Tweak::Highlight(highlight));
-                    }
-                    _ => tweaks.push(Tweak::Custom { name: key, value: access.next_value()? }),
-                };
-            }
-
-            // If no highlight tweak is given at all then the value of highlight is defined to be
-            // false.
-            if !tweaks.iter().any(|tw| matches!(tw, Tweak::Highlight(_))) {
-                tweaks.push(Tweak::Highlight(false));
-            }
-
-            Ok(tweaks)
-        }
-    }
-
-    pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<Tweak>, D::Error>
-    where
-        D: Deserializer<'de>,
-    {
-        deserializer.deserialize_map(TweaksVisitor)
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use js_int::uint;
-    use ruma_common::SecondsSinceUnixEpoch;
-    use ruma_events::EventType;
-    use ruma_identifiers::{event_id, room_alias_id, room_id, user_id};
-    use serde_json::{
-        from_value as from_json_value, json, to_value as to_json_value, Value as JsonValue,
-    };
-
-    use super::{Device, Notification, NotificationCounts, NotificationPriority, Tweak};
-
-    #[test]
-    fn serialize_request() {
-        let expected = json!({
-            "event_id": "$3957tyerfgewrf384",
-            "room_id": "!slw48wfj34rtnrf:example.com",
-            "type": "m.room.message",
-            "sender": "@exampleuser:matrix.org",
-            "sender_display_name": "Major Tom",
-            "room_alias": "#exampleroom:matrix.org",
-            "prio": "low",
-            "content": {},
-            "counts": {
-              "unread": 2,
-            },
-            "devices": [
-              {
-                "app_id": "org.matrix.matrixConsole.ios",
-                "pushkey": "V2h5IG9uIGVhcnRoIGRpZCB5b3UgZGVjb2RlIHRoaXM/",
-                "pushkey_ts": 123,
-                "tweaks": {
-                  "sound": "silence",
-                  "highlight": true,
-                  "custom": "go wild"
-                }
-              }
-            ]
-        });
-
-        let eid = event_id!("$3957tyerfgewrf384");
-        let rid = room_id!("!slw48wfj34rtnrf:example.com");
-        let uid = user_id!("@exampleuser:matrix.org");
-        let alias = room_alias_id!("#exampleroom:matrix.org");
-
-        let count = NotificationCounts { unread: uint!(2), ..NotificationCounts::default() };
-
-        let device = Device {
-            pushkey_ts: Some(SecondsSinceUnixEpoch(uint!(123))),
-            tweaks: vec![
-                Tweak::Highlight(true),
-                Tweak::Sound("silence".into()),
-                Tweak::Custom {
-                    name: "custom".into(),
-                    value: from_json_value(JsonValue::String("go wild".into())).unwrap(),
-                },
-            ],
-            ..Device::new(
-                "org.matrix.matrixConsole.ios".into(),
-                "V2h5IG9uIGVhcnRoIGRpZCB5b3UgZGVjb2RlIHRoaXM/".into(),
-            )
-        };
-        let devices = &[device];
-
-        let notice = Notification {
-            event_id: Some(eid),
-            room_id: Some(rid),
-            event_type: Some(&EventType::RoomMessage),
-            sender: Some(uid),
-            sender_display_name: Some("Major Tom"),
-            room_alias: Some(alias),
-            content: Some(serde_json::from_str("{}").unwrap()),
-            counts: count,
-            prio: NotificationPriority::Low,
-            devices,
-            ..Notification::default()
-        };
-
-        assert_eq!(expected, to_json_value(notice).unwrap())
-    }
-}