diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
index bae151e58..f3f9cd978 100644
--- a/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@ -695,7 +695,7 @@ from .thesixtyone import TheSixtyOneIE
 from .thisamericanlife import ThisAmericanLifeIE
 from .thisav import ThisAVIE
 from .tinypic import TinyPicIE
-from .tlc import TlcIE, TlcDeIE
+from .tlc import TlcDeIE
 from .tmz import (
     TMZIE,
     TMZArticleIE,
diff --git a/youtube_dl/extractor/tlc.py b/youtube_dl/extractor/tlc.py
index d6d038a8d..adc05ed5f 100644
--- a/youtube_dl/extractor/tlc.py
+++ b/youtube_dl/extractor/tlc.py
@@ -4,32 +4,9 @@ import re
 
 from .common import InfoExtractor
 from .brightcove import BrightcoveLegacyIE
-from .discovery import DiscoveryIE
 from ..compat import compat_urlparse
 
 
-class TlcIE(DiscoveryIE):
-    IE_NAME = 'tlc.com'
-    _VALID_URL = r'http://www\.tlc\.com\/[a-zA-Z0-9\-]*/[a-zA-Z0-9\-]*/videos/(?P<id>[a-zA-Z0-9\-]*)(.htm)?'
-
-    # DiscoveryIE has _TESTS
-    _TESTS = [{
-        'url': 'http://www.tlc.com/tv-shows/cake-boss/videos/too-big-to-fly.htm',
-        'info_dict': {
-            'id': '104493',
-            'ext': 'mp4',
-            'title': 'Too Big to Fly',
-            'description': 'Buddy has taken on a high flying task.',
-            'duration': 119,
-            'timestamp': 1393365060,
-            'upload_date': '20140225',
-        },
-        'params': {
-            'skip_download': True,  # requires ffmpef
-        },
-    }]
-
-
 class TlcDeIE(InfoExtractor):
     IE_NAME = 'tlc.de'
     _VALID_URL = r'http://www\.tlc\.de/sendungen/[^/]+/videos/(?P<title>[^/?]+)'