diff --git a/Cargo.toml b/Cargo.toml
index fa734c33..42474427 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -285,7 +285,7 @@ lossy_float_literal = "warn"
 mem_forget = "warn"
 # missing_assert_message = "warn"
 # mod_module_files = "warn"
-multiple_inherent_impl = "warn"
+# multiple_inherent_impl = "warn"
 mutex_atomic = "warn"
 # same_name_method = "warn"
 # semicolon_outside_block = "warn"
diff --git a/src/database/key_value/rooms/state_cache.rs b/src/database/key_value/rooms/state_cache.rs
index b23db30c..c71d481d 100644
--- a/src/database/key_value/rooms/state_cache.rs
+++ b/src/database/key_value/rooms/state_cache.rs
@@ -281,7 +281,7 @@ impl service::rooms::state_cache::Data for KeyValueDatabase {
     }
 
     #[tracing::instrument(skip(self))]
-    fn server_in_room<'a>(&'a self, server: &ServerName, room_id: &RoomId) -> Result<bool> {
+    fn server_in_room(&self, server: &ServerName, room_id: &RoomId) -> Result<bool> {
         let mut key = server.as_bytes().to_vec();
         key.push(0xff);
         key.extend_from_slice(room_id.as_bytes());
diff --git a/src/database/mod.rs b/src/database/mod.rs
index 1d88b041..e35a45b8 100644
--- a/src/database/mod.rs
+++ b/src/database/mod.rs
@@ -1066,6 +1066,7 @@ impl KeyValueDatabase {
         res
     }
 
+    #[allow(clippy::infinite_loop)]
     #[tracing::instrument]
     pub fn start_check_for_updates_task() {
         tokio::spawn(async move {
diff --git a/src/service/rooms/state_cache/mod.rs b/src/service/rooms/state_cache/mod.rs
index 6498b86e..6b792906 100644
--- a/src/service/rooms/state_cache/mod.rs
+++ b/src/service/rooms/state_cache/mod.rs
@@ -262,7 +262,7 @@ impl Service {
     }
 
     #[tracing::instrument(skip(self))]
-    pub fn server_in_room<'a>(&'a self, server: &ServerName, room_id: &RoomId) -> Result<bool> {
+    pub fn server_in_room(&self, server: &ServerName, room_id: &RoomId) -> Result<bool> {
         self.db.server_in_room(server, room_id)
     }
 
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index e737df17..59c522dd 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -138,9 +138,7 @@ pub(crate) fn deserialize_from_str<
     deserializer: D,
 ) -> Result<T, D::Error> {
     struct Visitor<T: FromStr<Err = E>, E>(std::marker::PhantomData<T>);
-    impl<'de, T: FromStr<Err = Err>, Err: std::fmt::Display> serde::de::Visitor<'de>
-        for Visitor<T, Err>
-    {
+    impl<T: FromStr<Err = Err>, Err: std::fmt::Display> serde::de::Visitor<'_> for Visitor<T, Err> {
         type Value = T;
         fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
             write!(formatter, "a parsable string")
@@ -162,7 +160,7 @@ pub(crate) fn deserialize_from_str<
 /// string when passed to a format string.
 pub(crate) struct HtmlEscape<'a>(pub(crate) &'a str);
 
-impl<'a> fmt::Display for HtmlEscape<'a> {
+impl fmt::Display for HtmlEscape<'_> {
     fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         // Because the internet is always right, turns out there's not that many
         // characters to escape: http://stackoverflow.com/questions/7381974