diff --git a/youtube_dl/extractor/fktv.py b/youtube_dl/extractor/fktv.py
index 990bee8ba..21b89142c 100644
--- a/youtube_dl/extractor/fktv.py
+++ b/youtube_dl/extractor/fktv.py
@@ -6,7 +6,6 @@ import json
 
 from .common import InfoExtractor
 from ..utils import (
-    determine_ext,
     get_element_by_id,
     clean_html,
 )