diff --git a/crates/collab/src/tests/randomized_integration_tests.rs b/crates/collab/src/tests/randomized_integration_tests.rs
index 8202b53fdc..18fe6734cd 100644
--- a/crates/collab/src/tests/randomized_integration_tests.rs
+++ b/crates/collab/src/tests/randomized_integration_tests.rs
@@ -183,7 +183,7 @@ async fn apply_server_operation(
             let username;
             {
                 let mut plan = plan.lock();
-                let mut user = plan.user(user_id);
+                let user = plan.user(user_id);
                 if user.online {
                     return false;
                 }
diff --git a/crates/editor/src/display_map/inlay_map.rs b/crates/editor/src/display_map/inlay_map.rs
index 6a59cecae8..9794ac45c1 100644
--- a/crates/editor/src/display_map/inlay_map.rs
+++ b/crates/editor/src/display_map/inlay_map.rs
@@ -397,7 +397,7 @@ impl InlayMap {
         buffer_snapshot: MultiBufferSnapshot,
         mut buffer_edits: Vec<text::Edit<usize>>,
     ) -> (InlaySnapshot, Vec<InlayEdit>) {
-        let mut snapshot = &mut self.snapshot;
+        let snapshot = &mut self.snapshot;
 
         if buffer_edits.is_empty() {
             if snapshot.buffer.trailing_excerpt_update_count()
@@ -572,7 +572,6 @@ impl InlayMap {
             })
             .collect();
         let buffer_snapshot = snapshot.buffer.clone();
-        drop(snapshot);
         let (snapshot, edits) = self.sync(buffer_snapshot, buffer_edits);
         (snapshot, edits)
     }
@@ -635,7 +634,6 @@ impl InlayMap {
         }
         log::info!("removing inlays: {:?}", to_remove);
 
-        drop(snapshot);
         let (snapshot, edits) = self.splice(to_remove, to_insert);
         (snapshot, edits)
     }
diff --git a/crates/editor/src/inlay_hint_cache.rs b/crates/editor/src/inlay_hint_cache.rs
index 63076ba234..3d4ea3d6f2 100644
--- a/crates/editor/src/inlay_hint_cache.rs
+++ b/crates/editor/src/inlay_hint_cache.rs
@@ -571,7 +571,6 @@ fn new_update_task(
                     if let Some(buffer) =
                         refresh_multi_buffer.buffer(pending_refresh_query.buffer_id)
                     {
-                        drop(refresh_multi_buffer);
                         editor.inlay_hint_cache.update_tasks.insert(
                             pending_refresh_query.excerpt_id,
                             UpdateTask {
diff --git a/crates/project/src/worktree.rs b/crates/project/src/worktree.rs
index b0795818b8..9e30796bbc 100644
--- a/crates/project/src/worktree.rs
+++ b/crates/project/src/worktree.rs
@@ -2369,7 +2369,7 @@ impl BackgroundScannerState {
         }
 
         // Remove any git repositories whose .git entry no longer exists.
-        let mut snapshot = &mut self.snapshot;
+        let snapshot = &mut self.snapshot;
         let mut repositories = mem::take(&mut snapshot.git_repositories);
         let mut repository_entries = mem::take(&mut snapshot.repository_entries);
         repositories.retain(|work_directory_id, _| {
diff --git a/crates/sum_tree/src/cursor.rs b/crates/sum_tree/src/cursor.rs
index efd6ac145e..12ab12dc27 100644
--- a/crates/sum_tree/src/cursor.rs
+++ b/crates/sum_tree/src/cursor.rs
@@ -202,7 +202,7 @@ where
                 self.position = D::default();
             }
 
-            let mut entry = self.stack.last_mut().unwrap();
+            let entry = self.stack.last_mut().unwrap();
             if !descending {
                 if entry.index == 0 {
                     self.stack.pop();
diff --git a/crates/vim/src/normal/search.rs b/crates/vim/src/normal/search.rs
index 614866d9c9..9375c4e78d 100644
--- a/crates/vim/src/normal/search.rs
+++ b/crates/vim/src/normal/search.rs
@@ -93,7 +93,7 @@ fn search_submit(workspace: &mut Workspace, _: &SearchSubmit, cx: &mut ViewConte
         pane.update(cx, |pane, cx| {
             if let Some(search_bar) = pane.toolbar().read(cx).item_of_type::<BufferSearchBar>() {
                 search_bar.update(cx, |search_bar, cx| {
-                    let mut state = &mut vim.state.search;
+                    let state = &mut vim.state.search;
                     let mut count = state.count;
 
                     // in the case that the query has changed, the search bar
diff --git a/crates/zed/src/zed.rs b/crates/zed/src/zed.rs
index b2d1c2a7a2..a779f39f57 100644
--- a/crates/zed/src/zed.rs
+++ b/crates/zed/src/zed.rs
@@ -544,7 +544,6 @@ pub fn handle_keymap_file_changes(
                             reload_keymaps(cx, &keymap_content);
                         }
                     })
-                    .detach();
                 }));
             }
         }