diff --git a/youtube_dl/extractor/lrt.py b/youtube_dl/extractor/lrt.py
index ed41aad84..c4051bce1 100644
--- a/youtube_dl/extractor/lrt.py
+++ b/youtube_dl/extractor/lrt.py
@@ -1,12 +1,8 @@
 # coding: utf-8
 from __future__ import unicode_literals
 
-import re
-
 from .common import InfoExtractor
 from ..utils import (
-    determine_ext,
-    js_to_json,
     parse_duration,
     remove_end,
 )