diff --git a/sso/models.py b/sso/models.py
index 933868f..c37cbf5 100644
--- a/sso/models.py
+++ b/sso/models.py
@@ -91,9 +91,10 @@ class ServiceAccount(models.Model):
     user = models.ForeignKey(User, blank=False)
     service = models.ForeignKey(Service, blank=False)
     username = models.CharField(max_length=200, blank=True)
-    password = models.CharField(max_length=200, blank=False)
     active = models.BooleanField(default=True)
 
+    password = None
+
     def __str__(self):
         return "%s: %s (%s)" % (self.service.name, self.user.username, self.username)