diff --git a/plone/app/discussion/browser/moderation.py b/plone/app/discussion/browser/moderation.py
index d8313c9..b3d12b2 100644
--- a/plone/app/discussion/browser/moderation.py
+++ b/plone/app/discussion/browser/moderation.py
@@ -105,8 +105,6 @@ class PublishComment(BrowserView):
     def __call__(self):
 
         comment = aq_inner(self.context)
-        comment_id = self.context.id
-
         workflow_action = self.request.form['workflow_action']
         portal_workflow = getToolByName(comment, 'portal_workflow')
         portal_workflow.doActionFor(comment, workflow_action)
@@ -126,8 +124,6 @@ class BulkActionsView(BrowserView):
 
     def __call__(self):
 
-        context = aq_inner(self.context)
-
         if self.request.has_key('form.select.BulkAction'):
 
             bulkaction = self.request.get('form.select.BulkAction')
diff --git a/plone/app/discussion/browser/validator.py b/plone/app/discussion/browser/validator.py
index 45043f5..6253546 100644
--- a/plone/app/discussion/browser/validator.py
+++ b/plone/app/discussion/browser/validator.py
@@ -8,11 +8,8 @@ from z3c.form import validator
 
 from z3c.form.interfaces import IValidator
 
-from zope.component import getMultiAdapter, provideAdapter, queryUtility
+from zope.component import getMultiAdapter, queryUtility
 
-from zope.schema import ValidationError
-
-from zope.interface import implements, Interface
 from zope.schema.interfaces import IField
 from zope.component import adapts
 
@@ -21,7 +18,6 @@ from plone.registry.interfaces import IRegistry
 from plone.app.discussion.interfaces import ICaptcha
 from plone.app.discussion.interfaces import IDiscussionSettings
 from plone.app.discussion.interfaces import IDiscussionLayer
-from plone.app.discussion.interfaces import MessageFactory as _
 
 try:
     from plone.formwidget.captcha.validator import WrongCaptchaCode