8 files changed, 2 insertions, 15 deletions
diff --git a/youtube_dl/extractor/audiomack.py b/youtube_dl/extractor/audiomack.py
index 57446fd..6232d2c 100644
--- a/youtube_dl/extractor/audiomack.py
+++ b/youtube_dl/extractor/audiomack.py
@@ -4,7 +4,7 @@ from __future__ import unicode_literals
 from .common import InfoExtractor
 from .soundcloud import SoundcloudIE
 from ..utils import ExtractorError
-import datetime
+
 import time
 
 
diff --git a/youtube_dl/extractor/br.py b/youtube_dl/extractor/br.py
index 2e277c8..45ba517 100644
--- a/youtube_dl/extractor/br.py
+++ b/youtube_dl/extractor/br.py
@@ -1,8 +1,6 @@
 # coding: utf-8
 from __future__ import unicode_literals
 
-import re
-
 from .common import InfoExtractor
 from ..utils import (
     ExtractorError,
diff --git a/youtube_dl/extractor/cliphunter.py b/youtube_dl/extractor/cliphunter.py
index d4227e6..2edab90 100644
--- a/youtube_dl/extractor/cliphunter.py
+++ b/youtube_dl/extractor/cliphunter.py
@@ -4,7 +4,6 @@ import json
 import re
 
 from .common import InfoExtractor
-from ..utils import int_or_none
 
 
 _translation_table = {
@@ -39,9 +38,7 @@ class CliphunterIE(InfoExtractor):
     }
 
     def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('id')
-
+        video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
 
         video_title = self._search_regex(
diff --git a/youtube_dl/extractor/faz.py b/youtube_dl/extractor/faz.py
index f3d45b2..3c39ca4 100644
--- a/youtube_dl/extractor/faz.py
+++ b/youtube_dl/extractor/faz.py
@@ -2,9 +2,6 @@
 from __future__ import unicode_literals
 
 from .common import InfoExtractor
-from ..utils import (
-    determine_ext,
-)
 
 
 class FazIE(InfoExtractor):
diff --git a/youtube_dl/extractor/nhl.py b/youtube_dl/extractor/nhl.py
index d66c2c6..82af6e3 100644
--- a/youtube_dl/extractor/nhl.py
+++ b/youtube_dl/extractor/nhl.py
@@ -7,7 +7,6 @@ from .common import InfoExtractor
 from ..utils import (
     compat_urlparse,
     compat_urllib_parse,
-    determine_ext,
     unified_strdate,
 )
 
diff --git a/youtube_dl/extractor/sportbox.py b/youtube_dl/extractor/sportbox.py
index b9cd351..becdf65 100644
--- a/youtube_dl/extractor/sportbox.py
+++ b/youtube_dl/extractor/sportbox.py
@@ -7,7 +7,6 @@ from .common import InfoExtractor
 from ..utils import (
     parse_duration,
     parse_iso8601,
-    int_or_none,
 )
 
 
diff --git a/youtube_dl/extractor/vimeo.py b/youtube_dl/extractor/vimeo.py
index 07959d3..5839c55 100644
--- a/youtube_dl/extractor/vimeo.py
+++ b/youtube_dl/extractor/vimeo.py
@@ -8,13 +8,11 @@ import itertools
 from .common import InfoExtractor
 from .subtitles import SubtitlesInfoExtractor
 from ..utils import (
-    clean_html,
     compat_HTTPError,
     compat_urllib_parse,
     compat_urllib_request,
     compat_urlparse,
     ExtractorError,
-    get_element_by_attribute,
     InAdvancePagedList,
     int_or_none,
     RegexNotFoundError,
diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index 4963ffc..083c795 100644
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -8,7 +8,6 @@ import time
 from .common import AudioConversionError, PostProcessor
 
 from ..utils import (
-    check_executable,
     compat_subprocess_get_DEVNULL,
     encodeArgument,
     encodeFilename,