diff --git a/crates/swc/src/config/mod.rs b/crates/swc/src/config/mod.rs
index dc724ada2e6..9a524d68b50 100644
--- a/crates/swc/src/config/mod.rs
+++ b/crates/swc/src/config/mod.rs
@@ -1291,12 +1291,16 @@ fn default_jsonify_min_cost() -> usize {
     1024
 }
 
-#[derive(Debug, Default, Clone, Copy, Serialize, Deserialize)]
+#[derive(Debug, Clone, Copy, Serialize, Deserialize)]
 #[serde(deny_unknown_fields, rename_all = "camelCase")]
 pub struct ErrorConfig {
-    #[serde(default = "true_by_default")]
     pub filename: bool,
 }
+impl Default for ErrorConfig {
+    fn default() -> Self {
+        ErrorConfig { filename: true }
+    }
+}
 
 #[derive(Debug, Default, Clone, Serialize, Deserialize)]
 #[serde(deny_unknown_fields, rename_all = "camelCase")]
diff --git a/crates/swc_ecma_codegen/src/macros.rs b/crates/swc_ecma_codegen/src/macros.rs
index a08ac6f1165..81d56445648 100644
--- a/crates/swc_ecma_codegen/src/macros.rs
+++ b/crates/swc_ecma_codegen/src/macros.rs
@@ -100,6 +100,7 @@ macro_rules! semi {
     };
 }
 
+///
 /// - `srcmap!(true)` for start (span.lo)
 /// - `srcmap!(false)` for end (span.hi)
 macro_rules! srcmap {