diff --git a/src/c2wasm/index.ts b/src/c2wasm/index.ts
index d74363e..aaef950 100644
--- a/src/c2wasm/index.ts
+++ b/src/c2wasm/index.ts
@@ -18,21 +18,7 @@ interface BuildResult {
   tasks: Task[];
 }
 
-export async function buildCDir(
-  dirPath: string,
-  outDir: string,
-  headersPath: string | undefined,
-  isXRPL: boolean
-): Promise<void> {
-  // Reading all files in the directory tree
-  let fileObjects: any[];
-  try {
-    fileObjects = readFiles(dirPath);
-  } catch (error: any) {
-    console.error(`Error reading files: ${error}`);
-    process.exit(1);
-  }
-
+const getCustomHeader = (headersPath: string | undefined): any[] => {
   let headerObjects: any[] = [];
   if (headersPath) {
     try {
@@ -45,10 +31,35 @@ export async function buildCDir(
     }
     if (headerObjects.length === 0) {
       console.log("No header files detected, using default headers...");
+      console.warn(
+        "In the feature version, default headers will not be provided. Please provide your own headers."
+      );
     }
   } else {
     console.log("No header path specified, using default headers...");
+    console.warn(
+      "In the feature version, default headers will not be provided. Please provide your own headers."
+    );
   }
+  return headerObjects;
+};
+
+export async function buildCDir(
+  dirPath: string,
+  outDir: string,
+  headersPath: string | undefined,
+  isXRPL: boolean
+): Promise<void> {
+  // Reading all files in the directory tree
+  let fileObjects: any[];
+  try {
+    fileObjects = readFiles(dirPath);
+  } catch (error: any) {
+    console.error(`Error reading files: ${error}`);
+    process.exit(1);
+  }
+
+  const headerObjects = getCustomHeader(headersPath);
 
   // Building wasm for each file object
   await Promise.all(
@@ -82,20 +93,9 @@ export async function buildFile(
     name: filename,
     src: fileContent,
   };
-  let headerObjects: any[] = [];
-  if (headerPath) {
-    try {
-      headerObjects = readFiles(headerPath).filter((file) => file.type === "h");
-    } catch (error: any) {
-      console.error(`Error reading header files: ${error}`);
-      process.exit(1);
-    }
-    if (headerObjects.length === 0) {
-      console.log("No header files detected, using default headers...");
-    }
-  } else {
-    console.log("No header path specified, using default headers...");
-  }
+
+  const headerObjects = getCustomHeader(headerPath);
+
   try {
     await buildWasm(fileObject, headerObjects, outDir, isXRPL);
   } catch (error) {