diff --git a/photo21/settings.py b/photo21/settings.py
index 226a728..cc20179 100644
--- a/photo21/settings.py
+++ b/photo21/settings.py
@@ -207,9 +207,6 @@ EMAIL_SUBJECT_PREFIX = '[Serveur photos] '
 # After login redirect user to transfer page
 LOGIN_REDIRECT_URL = '/'
 
-# An user session will expired after 3 hours
-SESSION_COOKIE_AGE = 60 * 60 * 3
-
 # Use only one Django Sites
 SITE_ID = 1