diff --git a/crates/oxc_ast/src/ast/js.rs b/crates/oxc_ast/src/ast/js.rs
index bfc187b8c..425f42890 100644
--- a/crates/oxc_ast/src/ast/js.rs
+++ b/crates/oxc_ast/src/ast/js.rs
@@ -1113,7 +1113,7 @@ impl VariableDeclarationKind {
         matches!(self, Self::Const | Self::Let)
     }
 
-    pub fn to_string(&self) -> &str {
+    pub fn as_str(&self) -> &'static str {
         match self {
             Self::Var => "var",
             Self::Const => "const",
@@ -1124,7 +1124,7 @@ impl VariableDeclarationKind {
 
 impl fmt::Display for VariableDeclarationKind {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let s = self.to_string();
+        let s = self.as_str();
         write!(f, "{s}")
     }
 }
diff --git a/crates/oxc_prettier/src/format.rs b/crates/oxc_prettier/src/format.rs
index d3f549dee..4b1cb3f07 100644
--- a/crates/oxc_prettier/src/format.rs
+++ b/crates/oxc_prettier/src/format.rs
@@ -353,12 +353,12 @@ impl<'a> Format<'a> for Declaration<'a> {
 
 impl<'a> Format<'a> for VariableDeclaration<'a> {
     fn format(&self, p: &mut Prettier<'a>) -> Doc<'a> {
-        let kind = self.kind.to_string();
+        let kind = self.kind.as_str();
         let mut decls = p.vec();
         decls.extend(self.declarations.iter().map(|decl| decl.format(p)));
 
         let mut parts = p.vec();
-        parts.push(p.str(kind));
+        parts.push(ss!(kind));
         parts.push(ss!(" "));
         parts.push(Doc::Array(decls));
 
diff --git a/crates/oxc_semantic/src/checker/javascript.rs b/crates/oxc_semantic/src/checker/javascript.rs
index c9ce4305b..78ef21dc1 100644
--- a/crates/oxc_semantic/src/checker/javascript.rs
+++ b/crates/oxc_semantic/src/checker/javascript.rs
@@ -216,8 +216,7 @@ fn check_binding_identifier<'a>(
                     )]
                     #[diagnostic()]
                     struct InvalidLetDeclaration(String, #[label] Span);
-                    return ctx
-                        .error(InvalidLetDeclaration(decl.kind.to_string().into(), ident.span));
+                    return ctx.error(InvalidLetDeclaration(decl.kind.as_str().into(), ident.span));
                 }
                 AstKind::VariableDeclaration(_) | AstKind::Function(_) | AstKind::Program(_) => {
                     break;