diff --git a/index.js b/index.js
index 55741ac..e73f073 100644
--- a/index.js
+++ b/index.js
@@ -42,7 +42,6 @@ app.post("/convert", uploads.single("files"), (req, res) => {
 
   const ffmpegProcess = cp.spawn(ffmpeg, [
     '-i', file.path,
-    '-preset', preset,
     '-f', format,
     '-loglevel', 'error',
     '-movflags', 'frag_keyframe+empty_moov',
diff --git a/static/converter/index.html b/static/converter/index.html
index 71952ed..7e0b907 100644
--- a/static/converter/index.html
+++ b/static/converter/index.html
@@ -25,7 +25,7 @@
             <input name="files" type="file" accept="video/*, audio/*">
         </div>
 
-        <div class="setting">
+        <!-- <div class="setting">
             <p>Quality:</p>
             <select required id="preset" name="preset">
                 <option value="ultrafast">Ultra Fast (Lowest)</option>
@@ -38,7 +38,7 @@
                 <option value="veryslow">Very Slow (Highest)</option>
             </select>
         
-        </div>
+        </div> -->
 
         <div class="setting">
             <p>Format:</p>