diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs
index 6e11e9b6d..dbeed45cc 100644
--- a/helix-core/src/syntax.rs
+++ b/helix-core/src/syntax.rs
@@ -841,7 +841,7 @@ impl HighlightConfiguration {
         }
 
         let highlight_indices = vec![None; query.capture_names().len()];
-        Ok(HighlightConfiguration {
+        Ok(Self {
             language,
             query,
             combined_injections_query,
diff --git a/helix-lsp/src/client.rs b/helix-lsp/src/client.rs
index 8de4b95af..8a3aabd9e 100644
--- a/helix-lsp/src/client.rs
+++ b/helix-lsp/src/client.rs
@@ -61,7 +61,7 @@ impl Client {
 
         let (incoming, outgoing) = Transport::start(reader, writer, stderr);
 
-        let client = Client {
+        let client = Self {
             _process: process,
 
             outgoing,
diff --git a/helix-lsp/src/transport.rs b/helix-lsp/src/transport.rs
index 4a5ae45a0..dd42f7bb1 100644
--- a/helix-lsp/src/transport.rs
+++ b/helix-lsp/src/transport.rs
@@ -75,7 +75,7 @@ impl Transport {
     }
 
     async fn recv(
-        reader: &mut (impl AsyncBufRead + Unpin),
+        reader: &mut (impl AsyncBufRead + Unpin + Send),
         headers: &mut HashMap<String, String>,
     ) -> core::result::Result<Message, std::io::Error> {
         // read headers
@@ -117,7 +117,7 @@ impl Transport {
     }
 
     async fn err(
-        err: &mut (impl AsyncBufRead + Unpin),
+        err: &mut (impl AsyncBufRead + Unpin + Send),
     ) -> core::result::Result<(), std::io::Error> {
         let mut line = String::new();
         err.read_line(&mut line).await?;
diff --git a/helix-term/src/ui/menu.rs b/helix-term/src/ui/menu.rs
index 30ac044ce..f8f6f2693 100644
--- a/helix-term/src/ui/menu.rs
+++ b/helix-term/src/ui/menu.rs
@@ -258,7 +258,7 @@ impl<T: 'static> Component for Menu<T> {
 
         let win_height = area.height as usize;
 
-        fn div_ceil(a: usize, b: usize) -> usize {
+        const fn div_ceil(a: usize, b: usize) -> usize {
             (a + b - 1) / a
         }
 
diff --git a/helix-term/src/ui/prompt.rs b/helix-term/src/ui/prompt.rs
index 04108d794..c59a0eed6 100644
--- a/helix-term/src/ui/prompt.rs
+++ b/helix-term/src/ui/prompt.rs
@@ -31,8 +31,8 @@ impl Prompt {
         prompt: String,
         mut completion_fn: impl FnMut(&str) -> Vec<Completion> + 'static,
         callback_fn: impl FnMut(&mut Editor, &str, PromptEvent) + 'static,
-    ) -> Prompt {
-        Prompt {
+    ) -> Self {
+        Self {
             prompt,
             line: String::new(),
             cursor: 0,
diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index 44014e83e..83208f784 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -30,7 +30,7 @@ impl Editor {
         let toml = config
             .as_deref()
             .unwrap_or(include_bytes!("../../theme.toml"));
-        let theme: Theme = toml::from_slice(&toml).expect("failed to parse theme.toml");
+        let theme: Theme = toml::from_slice(toml).expect("failed to parse theme.toml");
 
         let language_servers = helix_lsp::Registry::new();
 
diff --git a/helix-view/src/theme.rs b/helix-view/src/theme.rs
index ec7c746af..8b6958980 100644
--- a/helix-view/src/theme.rs
+++ b/helix-view/src/theme.rs
@@ -92,7 +92,7 @@ pub struct Theme {
 }
 
 impl<'de> Deserialize<'de> for Theme {
-    fn deserialize<D>(deserializer: D) -> Result<Theme, D::Error>
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
     where
         D: Deserializer<'de>,
     {
@@ -110,7 +110,7 @@ impl<'de> Deserialize<'de> for Theme {
         }
 
         let scopes = styles.keys().map(ToString::to_string).collect();
-        Ok(Theme { scopes, styles })
+        Ok(Self { scopes, styles })
     }
 }