diff --git a/junction/conferences/permissions.py b/junction/conferences/permissions.py
index 6e4fdc34..ab00abce 100644
--- a/junction/conferences/permissions.py
+++ b/junction/conferences/permissions.py
@@ -6,7 +6,7 @@
 def is_reviewer(user, conference):
     """Returns a boolean indicating if a given user is a conference reviewer.
     """
-    if not user.is_authenticated():
+    if not user.is_authenticated:
         return False
 
     qs = ConferenceProposalReviewer.objects.filter(
diff --git a/junction/proposals/permissions.py b/junction/proposals/permissions.py
index ee316880..8d678809 100644
--- a/junction/proposals/permissions.py
+++ b/junction/proposals/permissions.py
@@ -13,11 +13,11 @@ def is_proposal_voting_allowed(proposal):
 
 
 def is_proposal_author(user, proposal):
-    return user.is_authenticated() and proposal.author == user
+    return user.is_authenticated and proposal.author == user
 
 
 def is_proposal_reviewer(user, conference):
-    authenticated = user.is_authenticated()
+    authenticated = user.is_authenticated
     is_reviewer = ConferenceProposalReviewer.objects.filter(
         reviewer=user.id, conference=conference, active=True
     ).exists()
@@ -26,7 +26,7 @@ def is_proposal_reviewer(user, conference):
 
 def is_proposal_section_reviewer(user, conference, proposal):
     return (
-        user.is_authenticated()
+        user.is_authenticated
         and ProposalSectionReviewer.objects.filter(
             conference_reviewer__reviewer=user,
             conference_reviewer__conference=conference,
diff --git a/junction/proposals/views.py b/junction/proposals/views.py
index 1d7cc829..7dc868fb 100644
--- a/junction/proposals/views.py
+++ b/junction/proposals/views.py
@@ -234,7 +234,7 @@ def detail_proposal(request, conference_slug, slug, hashid=None):
     if public_voting_setting:
         public_voting_setting_value = public_voting_setting.value
         try:
-            if request.user.is_authenticated():
+            if request.user.is_authenticated:
                 proposal_vote = ProposalVote.objects.get(
                     proposal=proposal, voter=request.user
                 )