diff --git a/crates/matrix-sdk/src/test_utils/mocks/encryption.rs b/crates/matrix-sdk/src/test_utils/mocks/encryption.rs
index e734fcde9..e512af9ce 100644
--- a/crates/matrix-sdk/src/test_utils/mocks/encryption.rs
+++ b/crates/matrix-sdk/src/test_utils/mocks/encryption.rs
@@ -75,11 +75,11 @@ impl MatrixMockServer {
     ) -> MockClientBuilder {
         // Create an access token and store the token to user_id mapping
         let next = self.token_counter.fetch_add(1, Ordering::Relaxed);
-        let access_token = format!("TOKEN_{}", next);
+        let access_token = format!("TOKEN_{next}");
 
         {
             let mut mappings = self.token_to_user_id_map.lock().unwrap();
-            let auth_string = format!("Bearer {}", access_token);
+            let auth_string = format!("Bearer {access_token}");
             mappings.insert(auth_string, user_id.to_owned());
         }
 
diff --git a/labs/multiverse/src/widgets/room_view/details/read_receipts.rs b/labs/multiverse/src/widgets/room_view/details/read_receipts.rs
index 4458e77c4..412db00aa 100644
--- a/labs/multiverse/src/widgets/room_view/details/read_receipts.rs
+++ b/labs/multiverse/src/widgets/room_view/details/read_receipts.rs
@@ -57,9 +57,9 @@ impl Widget for &mut ReadReceipts<'_> {
                 }
                 (Some(items), Some(selected_event)) => {
                     let item =
-                        items.into_iter().find(|&item| find_selected_event(item, &selected_event));
+                        items.into_iter().find(|&item| find_selected_event(item, selected_event));
 
-                    if let Some(item) = item.map(|i| format_timeline_item(i)).flatten() {
+                    if let Some(item) = item.and_then(|i| format_timeline_item(i)) {
                         let second_item = ListItem::from(selected_event.to_string());
 
                         let list = List::new(vec![second_item, item])