diff --git a/src/calibre/ebooks/metadata/archive.py b/src/calibre/ebooks/metadata/archive.py
index 938ab24..1e095f8 100644
--- a/src/calibre/ebooks/metadata/archive.py
+++ b/src/calibre/ebooks/metadata/archive.py
@@ -44,7 +44,7 @@
     description = _('Extract common e-book formats from archive files '
         '(ZIP/RAR). Also try to autodetect if they are actually '
         'CBZ/CBR files.')
-    file_types = {'zip', 'rar'}
+    file_types = {'zip'}
     supported_platforms = ['windows', 'osx', 'linux']
     on_import = True