diff --git a/morss/feeds.py b/morss/feeds.py
index 7d4129b..6b9df2f 100644
--- a/morss/feeds.py
+++ b/morss/feeds.py
@@ -71,7 +71,7 @@ def parse_rules(filename=None):
     return rules
 
 
-def parse(data, url=None, mimetype=None, encoding=None):
+def parse(data, url=None, encoding=None):
     " Determine which ruleset to use "
 
     rulesets = parse_rules()
@@ -760,7 +760,7 @@ if __name__ == '__main__':
     from . import crawler
 
     data, con, contenttype, encoding = crawler.adv_get(sys.argv[1] if len(sys.argv) > 1 else 'https://www.nytimes.com/', follow='rss')
-    feed = parse(data, url=con.geturl(), mimetype=contenttype, encoding=encoding)
+    feed = parse(data, url=con.geturl(), encoding=encoding)
 
     if not sys.flags.interactive:
         for item in feed.items:
diff --git a/morss/morss.py b/morss/morss.py
index f6fed5d..e6b25a1 100644
--- a/morss/morss.py
+++ b/morss/morss.py
@@ -330,7 +330,7 @@ def FeedFetch(url, options):
 
     else:
         try:
-            rss = feeds.parse(xml, url, contenttype, encoding=encoding)
+            rss = feeds.parse(xml, url, encoding=encoding)
             rss = rss.convert(feeds.FeedXML)
                 # contains all fields, otherwise much-needed data can be lost