diff --git a/apps/oxfmt/src/core/config.rs b/apps/oxfmt/src/core/config.rs
index a23cbbc19e282..9d2ab8be160f4 100644
--- a/apps/oxfmt/src/core/config.rs
+++ b/apps/oxfmt/src/core/config.rs
@@ -194,7 +194,10 @@ impl ConfigResolver {
                 .expect("`build_and_validate()` must be called before `resolve()`")
         };
 
+        #[cfg(feature = "napi")]
         let OxfmtOptions { sort_package_json, insert_final_newline, .. } = oxfmt_options;
+        #[cfg(not(feature = "napi"))]
+        let OxfmtOptions { insert_final_newline, .. } = oxfmt_options;
 
         match strategy {
             FormatFileStrategy::OxcFormatter { .. } => ResolvedOptions::OxcFormatter {
diff --git a/apps/oxfmt/src/main_napi.rs b/apps/oxfmt/src/main_napi.rs
index 834c4810eba18..b2a4203f372fd 100644
--- a/apps/oxfmt/src/main_napi.rs
+++ b/apps/oxfmt/src/main_napi.rs
@@ -94,9 +94,7 @@ pub async fn run_cli(
         Mode::Stdin(_) => {
             init_miette();
 
-            // TODO: `.with_external_formatter()` is not needed, just pass with `new(command, external_formatter)`
-            let result =
-                StdinRunner::new(command).with_external_formatter(Some(external_formatter)).run();
+            let result = StdinRunner::new(command, external_formatter).run();
 
             ("stdin".to_string(), Some(result.exit_code()))
         }
diff --git a/apps/oxfmt/src/stdin/mod.rs b/apps/oxfmt/src/stdin/mod.rs
index 9d90338028957..83a2f0f476815 100644
--- a/apps/oxfmt/src/stdin/mod.rs
+++ b/apps/oxfmt/src/stdin/mod.rs
@@ -14,7 +14,7 @@ use crate::core::{
 pub struct StdinRunner {
     options: FormatCommand,
     cwd: PathBuf,
-    external_formatter: Option<ExternalFormatter>,
+    external_formatter: ExternalFormatter,
 }
 
 impl StdinRunner {
@@ -22,23 +22,14 @@ impl StdinRunner {
     ///
     /// # Panics
     /// Panics if the current working directory cannot be determined.
-    pub fn new(options: FormatCommand) -> Self {
+    pub fn new(options: FormatCommand, external_formatter: ExternalFormatter) -> Self {
         Self {
             options,
             cwd: env::current_dir().expect("Failed to get current working directory"),
-            external_formatter: None,
+            external_formatter,
         }
     }
 
-    #[must_use]
-    pub fn with_external_formatter(
-        mut self,
-        external_formatter: Option<ExternalFormatter>,
-    ) -> Self {
-        self.external_formatter = external_formatter;
-        self
-    }
-
     pub fn run(self) -> CliRunResult {
         let stdout = &mut BufWriter::new(io::stdout());
         let stderr = &mut BufWriter::new(io::stderr());
@@ -49,9 +40,6 @@ impl StdinRunner {
         let Mode::Stdin(filepath) = mode else {
             unreachable!("`StdinRunner::run()` called with non-Stdin mode");
         };
-        let Some(external_formatter) = self.external_formatter else {
-            unreachable!("`StdinRunner::run()` called without `external_formatter`");
-        };
         // Single threaded for stdin formatting
         let num_of_threads = 1;
 
@@ -88,7 +76,7 @@ impl StdinRunner {
         }
 
         // Use `block_in_place()` to avoid nested async runtime access
-        match tokio::task::block_in_place(|| external_formatter.init(num_of_threads)) {
+        match tokio::task::block_in_place(|| self.external_formatter.init(num_of_threads)) {
             // TODO: Plugins support
             Ok(_) => {}
             Err(err) => {
@@ -110,8 +98,8 @@ impl StdinRunner {
         let resolved_options = config_resolver.resolve(&strategy);
 
         // Create formatter and format
-        let source_formatter =
-            SourceFormatter::new(num_of_threads).with_external_formatter(Some(external_formatter));
+        let source_formatter = SourceFormatter::new(num_of_threads)
+            .with_external_formatter(Some(self.external_formatter));
 
         // Use `block_in_place()` to avoid nested async runtime access
         match tokio::task::block_in_place(|| {