diff --git a/app/src/main/java/com/duckai/app/web/MainActivity.kt b/app/src/main/java/com/duckai/app/web/MainActivity.kt
index 3fc35a3..edc6d31 100644
--- a/app/src/main/java/com/duckai/app/web/MainActivity.kt
+++ b/app/src/main/java/com/duckai/app/web/MainActivity.kt
@@ -7,7 +7,6 @@ import android.content.pm.PackageManager
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
-import android.view.View
 import android.view.inputmethod.InputMethodManager
 import android.webkit.CookieManager
 import android.webkit.ValueCallback
@@ -23,7 +22,6 @@ import com.duckai.app.R
 class MainActivity : AppCompatActivity() {
 
     private lateinit var webView: WebView
-    private lateinit var attachButton: View
     private var filePathCallback: ValueCallback<Array<Uri>>? = null
     
     companion object {
@@ -58,10 +56,8 @@ class MainActivity : AppCompatActivity() {
         setContentView(R.layout.activity_main)
 
         webView = findViewById(R.id.webView)
-        attachButton = findViewById(R.id.attachButton)
         
         setupWebView()
-        setupAttachButton()
         loadUrlFromIntent()
     }
 
@@ -107,12 +103,6 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
-    private fun setupAttachButton() {
-        attachButton.setOnClickListener {
-            checkPermissionAndPickFile()
-        }
-    }
-
     private fun checkPermissionAndPickFile() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
             val permissions = arrayOf(
@@ -139,7 +129,7 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun openFilePicker() {
-        filePickerLauncher.launch(arrayOf("image/*", "video/*", "audio/*", "application/pdf"))
+        filePickerLauncher.launch(arrayOf("application/pdf"))
     }
 
     private fun loadUrlFromIntent() {
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index f160df8..22c3a4e 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -12,17 +12,4 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/attachButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="bottom|end"
-        android:layout_margin="16dp"
-        android:layout_marginBottom="80dp"
-        android:contentDescription="@string/attach_file"
-        android:src="@drawable/ic_attach"
-        app:fabSize="mini"
-        app:tint="?attr/colorOnPrimaryContainer"
-        app:backgroundTint="?attr/colorPrimaryContainer" />
-
 </androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file