diff --git a/crates/oxide_parser/src/error.rs b/crates/oxide_parser/src/error.rs
index 52acb08..14d71e9 100644
--- a/crates/oxide_parser/src/error.rs
+++ b/crates/oxide_parser/src/error.rs
@@ -19,7 +19,7 @@ impl From<oxc_diagnostics::OxcDiagnostic> for OxideError {
         let span = diag
             .labels
             .clone()
-            .and_then(|labels| labels.first().map(|l| (l.offset() as usize, (l.offset() + l.len()) as usize)))
+            .and_then(|labels| labels.first().map(|l| (l.offset(), l.offset() + l.len())))
             .unwrap_or((0, 0));
 
         OxideError {
diff --git a/crates/oxide_parser/src/lib.rs b/crates/oxide_parser/src/lib.rs
index 89f347c..381fb12 100644
--- a/crates/oxide_parser/src/lib.rs
+++ b/crates/oxide_parser/src/lib.rs
@@ -7,7 +7,10 @@ pub use oxc_allocator::Allocator;
 pub use oxc_ast::ast::*;
 pub use oxc_span::Span;
 
-pub fn parse<'a>(allocator: &'a Allocator, source: &'a str) -> Result<Program<'a>, Vec<OxideError>> {
+pub fn parse<'a>(
+    allocator: &'a Allocator,
+    source: &'a str,
+) -> Result<Program<'a>, Vec<OxideError>> {
     use oxc_parser::Parser;
     use oxc_span::SourceType;
 
diff --git a/crates/oxide_parser/tests/parse_smoke.rs b/crates/oxide_parser/tests/parse_smoke.rs
index 47cc700..b55817d 100644
--- a/crates/oxide_parser/tests/parse_smoke.rs
+++ b/crates/oxide_parser/tests/parse_smoke.rs
@@ -13,7 +13,10 @@ fn parse_empty_string() {
     let result = oxide_parser::parse(&allocator, "");
     assert!(result.is_ok(), "empty string should parse");
     let program = result.unwrap();
-    assert!(program.body.is_empty(), "empty program should have empty body");
+    assert!(
+        program.body.is_empty(),
+        "empty program should have empty body"
+    );
 }
 
 #[test]
@@ -22,7 +25,10 @@ fn parse_function_declaration() {
     let result = oxide_parser::parse(&allocator, "function foo() { return 42; }");
     assert!(result.is_ok(), "function declaration should parse");
     let program = result.unwrap();
-    assert!(!program.body.is_empty(), "program with function should not be empty");
+    assert!(
+        !program.body.is_empty(),
+        "program with function should not be empty"
+    );
 }
 
 #[test]
@@ -31,7 +37,10 @@ fn parse_syntax_error() {
     let result = oxide_parser::parse(&allocator, "function(");
     assert!(result.is_err(), "syntax error should return Err");
     let errors = result.unwrap_err();
-    assert!(!errors.is_empty(), "syntax error should produce at least one error");
+    assert!(
+        !errors.is_empty(),
+        "syntax error should produce at least one error"
+    );
 }
 
 #[test]
@@ -44,10 +53,7 @@ fn parse_variable_declaration() {
 #[test]
 fn parse_multiple_statements() {
     let allocator = Allocator::default();
-    let result = oxide_parser::parse(
-        &allocator,
-        "var a = 1; var b = 2; var c = a + b;",
-    );
+    let result = oxide_parser::parse(&allocator, "var a = 1; var b = 2; var c = a + b;");
     assert!(result.is_ok(), "multiple statements should parse");
     let program = result.unwrap();
     assert_eq!(program.body.len(), 3, "should have 3 statements");