diff --git a/youtube_dl/extractor/iqm2.py b/youtube_dl/extractor/iqm2.py
index 9ece64421..3d1231628 100644
--- a/youtube_dl/extractor/iqm2.py
+++ b/youtube_dl/extractor/iqm2.py
@@ -47,28 +47,8 @@ from .generic import GenericIE
 
 class IQM2IE(InfoExtractor):
 
-    # xxx is really right that InfoExtractor.suitable() calls re.compile()
-    # on _VALID_URL in a case-sensitive fashion? It's obviously reasonable
-    # for the path portion of a URL to be case-sensitive, but the hostname
-    # ought not to be. And it seems like strict adherence might mess up a
-    # bunch of extractors in funny-cased URLs? Redefine suitable() to search
-    # case-insensitively. Note this also changes the re.match() call at the
-    # start of _real_extract()
-    #
-    # In this case, we commonly see both iqm2.com and IQM2.com.
-    
-    @classmethod
-    def suitable(cls, url):
-        """Receives a URL and returns True if suitable for this IE."""
-
-        # This does not use has/getattr intentionally - we want to know whether
-        # we have cached the regexp for *this* class, whereas getattr would also
-        # match the superclass
-        if '_VALID_URL_RE' not in cls.__dict__:
-            cls._VALID_URL_RE = re.compile(cls._VALID_URL, flags=re.IGNORECASE)
-        return cls._VALID_URL_RE.match(url) is not None
-
-    _VALID_URL = r'https?://(?:\w+\.)?iqm2\.com/Citizens/\w+.aspx\?.*MeetingID=(?P<id>[0-9]+)'
+    # We commonly see both iqm2.com and IQM2.com.
+    _VALID_URL = r'(?i)https?://(?:\w+\.)?iqm2\.com/Citizens/\w+.aspx\?.*MeetingID=(?P<id>[0-9]+)'
     _TESTS = [ {
         'url': 'http://cambridgema.iqm2.com/Citizens/SplitView.aspx?Mode=Video&MeetingID=1679#',
         'md5': '478ea30eee1966f7be0d8dd623122148',
@@ -83,7 +63,7 @@ class IQM2IE(InfoExtractor):
         }]
 
     def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url, flags=re.IGNORECASE)
+        mobj = re.match(self._VALID_URL, url)
         video_id = mobj.group('id')
 
         webpage = self._download_webpage(url, video_id)