diff --git a/beets/library.py b/beets/library.py
index 33a36add4..2a0789081 100644
--- a/beets/library.py
+++ b/beets/library.py
@@ -102,7 +102,8 @@ ITEM_DEFAULT_FIELDS = ARTIST_DEFAULT_FIELDS + ALBUM_DEFAULT_FIELDS + \
 
 # Logger.
 log = logging.getLogger('beets')
-log.addHandler(logging.StreamHandler())
+if not log.handlers:
+    log.addHandler(logging.StreamHandler())
 
 
 # Exceptions.
diff --git a/beetsplug/embedcoverart.py b/beetsplug/embedcoverart.py
index 94902d260..400f19a50 100755
--- a/beetsplug/embedcoverart.py
+++ b/beetsplug/embedcoverart.py
@@ -1,12 +1,11 @@
 from beets.plugins import BeetsPlugin
 from beets import mediafile
 
-import os, logging
+import logging
 
 from email.mime.image import MIMEImage
 
 log = logging.getLogger('beets')
-log.addHandler(logging.StreamHandler())
 
 
 class EmbedCoverArtPlugin(BeetsPlugin):