diff --git a/crates/ruma-api/src/error.rs b/crates/ruma-api/src/error.rs
index ae5a385c..0dd2505a 100644
--- a/crates/ruma-api/src/error.rs
+++ b/crates/ruma-api/src/error.rs
@@ -13,6 +13,7 @@ use crate::{EndpointError, OutgoingResponse};
 /// A general-purpose Matrix error type consisting of an HTTP status code and a JSON body.
 ///
 /// Note that individual `ruma-*-api` crates may provide more specific error types.
+#[allow(clippy::exhaustive_structs)]
 #[derive(Clone, Debug)]
 pub struct MatrixError {
     /// The http response's status code.
diff --git a/crates/ruma-api/src/lib.rs b/crates/ruma-api/src/lib.rs
index 9b9c8cc1..8c1fe9fa 100644
--- a/crates/ruma-api/src/lib.rs
+++ b/crates/ruma-api/src/lib.rs
@@ -390,6 +390,7 @@ pub enum AuthScheme {
 
 /// Metadata about an API endpoint.
 #[derive(Clone, Debug)]
+#[allow(clippy::exhaustive_structs)]
 pub struct Metadata {
     /// A human-readable description of the endpoint.
     pub description: &'static str,
diff --git a/crates/ruma-api/tests/conversions.rs b/crates/ruma-api/tests/conversions.rs
index c5b53ee0..dba46c71 100644
--- a/crates/ruma-api/tests/conversions.rs
+++ b/crates/ruma-api/tests/conversions.rs
@@ -1,3 +1,5 @@
+#![allow(clippy::exhaustive_structs)]
+
 use ruma_api::{
     ruma_api, IncomingRequest as _, OutgoingRequest as _, OutgoingRequestAppserviceExt,
     SendAccessToken,
diff --git a/crates/ruma-api/tests/header_override.rs b/crates/ruma-api/tests/header_override.rs
index 26673996..42533da5 100644
--- a/crates/ruma-api/tests/header_override.rs
+++ b/crates/ruma-api/tests/header_override.rs
@@ -1,3 +1,5 @@
+#![allow(clippy::exhaustive_structs)]
+
 use http::header::{Entry, CONTENT_TYPE};
 use ruma_api::{ruma_api, OutgoingRequest as _, OutgoingResponse as _, SendAccessToken};
 
diff --git a/crates/ruma-api/tests/manual_endpoint_impl.rs b/crates/ruma-api/tests/manual_endpoint_impl.rs
index 1e46a199..bc1d516c 100644
--- a/crates/ruma-api/tests/manual_endpoint_impl.rs
+++ b/crates/ruma-api/tests/manual_endpoint_impl.rs
@@ -1,5 +1,7 @@
 //! PUT /_matrix/client/r0/directory/room/:room_alias
 
+#![allow(clippy::exhaustive_structs)]
+
 use std::convert::TryFrom;
 
 use bytes::BufMut;
diff --git a/crates/ruma-api/tests/ruma_api_lifetime.rs b/crates/ruma-api/tests/ruma_api_lifetime.rs
index c605e5a2..d8347b66 100644
--- a/crates/ruma-api/tests/ruma_api_lifetime.rs
+++ b/crates/ruma-api/tests/ruma_api_lifetime.rs
@@ -1,4 +1,5 @@
-#[allow(unused)]
+#![allow(clippy::exhaustive_structs)]
+
 #[derive(Copy, Clone, Debug, ruma_serde::Outgoing, serde::Serialize)]
 pub struct OtherThing<'t> {
     pub some: &'t str,
diff --git a/crates/ruma-api/tests/ruma_api_macros.rs b/crates/ruma-api/tests/ruma_api_macros.rs
index 6e08c89a..e26b6a21 100644
--- a/crates/ruma-api/tests/ruma_api_macros.rs
+++ b/crates/ruma-api/tests/ruma_api_macros.rs
@@ -1,3 +1,5 @@
+#![allow(clippy::exhaustive_structs)]
+
 pub mod some_endpoint {
     use ruma_api::ruma_api;
     use ruma_events::{tag::TagEvent, AnyRoomEvent};
diff --git a/crates/ruma-client/src/http_client.rs b/crates/ruma-client/src/http_client.rs
index ace14b18..caaaa43c 100644
--- a/crates/ruma-client/src/http_client.rs
+++ b/crates/ruma-client/src/http_client.rs
@@ -118,6 +118,7 @@ impl<T: HttpClient> HttpClientExt for T {}
 
 #[doc(hidden)]
 #[derive(Debug)]
+#[allow(clippy::exhaustive_structs)]
 pub struct Dummy;
 
 #[async_trait]
diff --git a/crates/ruma-signatures/src/signatures.rs b/crates/ruma-signatures/src/signatures.rs
index f8926645..de8cd1ea 100644
--- a/crates/ruma-signatures/src/signatures.rs
+++ b/crates/ruma-signatures/src/signatures.rs
@@ -8,13 +8,13 @@ use crate::{split_id, Algorithm, Error};
 #[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct Signature {
     /// The cryptographic algorithm that generated this signature.
-    pub algorithm: Algorithm,
+    pub(crate) algorithm: Algorithm,
 
     /// The signature data.
-    pub signature: Vec<u8>,
+    pub(crate) signature: Vec<u8>,
 
     /// The "version" of the key identifier for the public key used to generate this signature.
-    pub version: String,
+    pub(crate) version: String,
 }
 
 impl Signature {
diff --git a/crates/ruma-state-res/tests/utils.rs b/crates/ruma-state-res/tests/utils.rs
index ed2a8163..b78ba006 100644
--- a/crates/ruma-state-res/tests/utils.rs
+++ b/crates/ruma-state-res/tests/utils.rs
@@ -1,4 +1,4 @@
-#![allow(clippy::exhaustive_structs, dead_code)]
+#![allow(dead_code)]
 
 use std::{
     collections::{BTreeMap, BTreeSet},
@@ -206,11 +206,11 @@ pub fn do_check(
     assert_eq!(expected_state, end_state);
 }
 
+#[allow(clippy::exhaustive_structs)]
 pub struct TestStore<E: Event>(pub BTreeMap<EventId, Arc<E>>);
 
-#[allow(unused)]
 impl<E: Event> TestStore<E> {
-    pub fn get_event(&self, room_id: &RoomId, event_id: &EventId) -> Result<Arc<E>> {
+    pub fn get_event(&self, _: &RoomId, event_id: &EventId) -> Result<Arc<E>> {
         self.0
             .get(event_id)
             .map(Arc::clone)
@@ -544,6 +544,7 @@ pub mod event {
     }
 
     #[derive(Clone, Debug, Deserialize, Serialize)]
+    #[allow(clippy::exhaustive_structs)]
     pub struct StateEvent {
         pub event_id: EventId,
         #[serde(flatten)]
diff --git a/crates/ruma/tests/outgoing.rs b/crates/ruma/tests/outgoing.rs
index 955d9f67..a4ca60a4 100644
--- a/crates/ruma/tests/outgoing.rs
+++ b/crates/ruma/tests/outgoing.rs
@@ -1,6 +1,8 @@
 // This test should really be part of ruma_serde, but some tooling doesn't like
 // cyclic dev-dependencies, which are required for this test to be moved there.
 
+#![allow(clippy::exhaustive_structs)]
+
 use ruma::{Outgoing, UserId};
 
 #[allow(unused)]
diff --git a/xtask/src/cargo.rs b/xtask/src/cargo.rs
index e1e5845a..99ad702e 100644
--- a/xtask/src/cargo.rs
+++ b/xtask/src/cargo.rs
@@ -46,7 +46,7 @@ impl Package {
 
     /// Update the version of this crate in dependant crates' manifests, with the given version
     /// prefix.
-    pub fn update_dependants(&self, metadata: &Metadata) -> Result<()> {
+    pub(crate) fn update_dependants(&self, metadata: &Metadata) -> Result<()> {
         for package in metadata.packages.iter().filter(|p| {
             p.manifest_path.starts_with(&metadata.workspace_root)
                 && p.dependencies.iter().any(|d| d.name == self.name)
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index aebe8788..f6bcea5d 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -3,6 +3,8 @@
 //! This binary is integrated into the `cargo` command line by using an alias in
 //! `.cargo/config`. Run commands as `cargo xtask [command]`.
 
+#![allow(clippy::exhaustive_structs)]
+
 use std::path::PathBuf;
 
 use serde::Deserialize;
@@ -60,7 +62,7 @@ fn try_main() -> Result<()> {
 
 /// The metadata of a cargo workspace.
 #[derive(Clone, Debug, Deserialize)]
-pub struct Metadata {
+struct Metadata {
     pub workspace_root: PathBuf,
     #[cfg(feature = "default")]
     pub packages: Vec<cargo::Package>,