diff --git a/anatomy/serializers.py b/anatomy/serializers.py
index 5e5585fa..8baf5fc0 100644
--- a/anatomy/serializers.py
+++ b/anatomy/serializers.py
@@ -8,4 +8,3 @@ class ExamSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = Exam
         fields = ('name', 'id', 'active', "publish_results")
-        permission_classes = [permissions.IsAuthenticated]
diff --git a/anatomy/views.py b/anatomy/views.py
index 8a1e94c5..4d9c5e6e 100644
--- a/anatomy/views.py
+++ b/anatomy/views.py
@@ -66,7 +66,7 @@ from django.template.defaulttags import register
 
 from generic.mixins import SuperuserRequiredMixin
 
-from rest_framework import viewsets
+from rest_framework import viewsets, permissions
 
 from .serializers import ExamSerializer
 
@@ -998,6 +998,7 @@ class ExamUpdate(LoginRequiredMixin, AuthorOrCheckerRequiredMixin, UpdateView):
 class ExamViewSet(viewsets.ModelViewSet):
     #queryset = Exam.objects.all().order_by('name')
     serializer_class = ExamSerializer
+    permission_classes = [permissions.IsAuthenticated]
 
     def get_queryset(self):
         """
diff --git a/rapids/serializers.py b/rapids/serializers.py
index 69f212a4..fe5c8ed6 100644
--- a/rapids/serializers.py
+++ b/rapids/serializers.py
@@ -8,19 +8,16 @@ class ExamSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = Exam
         fields = ('name', 'id', 'active', "publish_results")
-        permission_classes = [permissions.IsAuthenticated]
 
 class QuestionAnswerSerializer(serializers.HyperlinkedModelSerializer):
     #question = serializers.HyperlinkedRelatedField(view_name='rapid-detail',
     #                                            read_only=True
     #                                          )
-    permission_classes = (permissions.IsAuthenticated,)
     class Meta:
         model = Answer
         fields = ('id', 'question', 'answer', "answer_compare", "status")
 
 class RapidSerializer(serializers.ModelSerializer):
-    permission_classes = [permissions.IsAuthenticated]
     class Meta:
         model = Rapid
         fields = ('id', 'question', 'normal', "abnormality", "region", "examination", "exams", "author", "open_access")