diff --git a/demo/app.py b/demo/app.py
index d881419..e6b6a69 100644
--- a/demo/app.py
+++ b/demo/app.py
@@ -12,11 +12,6 @@ def index():
     return render_template('index.html')
 
 
-@app.route('/popup')
-def popup():
-    return render_template('popover.html')
-
-
 @app.route('/translate', methods=['POST'])
 def translate():
     lines = request.form['code']