diff --git a/compiler/can/src/def.rs b/compiler/can/src/def.rs
index 7e03f8e3b9..0e8a416627 100644
--- a/compiler/can/src/def.rs
+++ b/compiler/can/src/def.rs
@@ -423,7 +423,7 @@ pub fn sort_can_defs(
     let mut defined_symbols: Vec<Symbol> = Vec::new();
     let mut defined_symbols_set: ImSet<Symbol> = ImSet::default();
 
-    for symbol in can_defs_by_symbol.keys().into_iter() {
+    for symbol in can_defs_by_symbol.keys() {
         defined_symbols.push(*symbol);
         defined_symbols_set.insert(*symbol);
     }
diff --git a/compiler/can/src/pattern.rs b/compiler/can/src/pattern.rs
index 41aa49ca9a..7fa010d419 100644
--- a/compiler/can/src/pattern.rs
+++ b/compiler/can/src/pattern.rs
@@ -254,7 +254,7 @@ pub fn canonicalize_pattern<'a>(
                 }
                 Ok((int, bound)) => {
                     let sign_str = if is_negative { "-" } else { "" };
-                    let int_str = format!("{}{}", sign_str, int.to_string()).into_boxed_str();
+                    let int_str = format!("{}{}", sign_str, int).into_boxed_str();
                     let i = match int {
                         // Safety: this is fine because I128::MAX = |I128::MIN| - 1
                         IntValue::I128(n) if is_negative => IntValue::I128(-n),
diff --git a/compiler/mono/src/ir.rs b/compiler/mono/src/ir.rs
index 0e0c39019a..6a4c1e5449 100644
--- a/compiler/mono/src/ir.rs
+++ b/compiler/mono/src/ir.rs
@@ -3430,6 +3430,7 @@ pub fn with_hole<'a>(
             let mut field_symbols = Vec::with_capacity_in(fields.len(), env.arena);
             let mut can_fields = Vec::with_capacity_in(fields.len(), env.arena);
 
+            #[allow(clippy::enum_variant_names)]
             enum Field {
                 // TODO: rename this since it can handle unspecialized expressions now too
                 Function(Symbol, Variable),