diff --git a/app/server/api.py b/app/server/api.py
index 4f9372be..dbebe659 100644
--- a/app/server/api.py
+++ b/app/server/api.py
@@ -9,7 +9,7 @@ from rest_framework.permissions import IsAuthenticated, IsAdminUser
 from rest_framework.response import Response
 from rest_framework.views import APIView
 
-from .models import Project, Label, Document, DocumentAnnotation, SequenceAnnotation, Seq2seqAnnotation
+from .models import Project, Label, Document, Seq2seqAnnotation
 from .permissions import IsAdminUserAndWriteOnly, IsProjectUser, IsOwnAnnotation
 from .serializers import ProjectSerializer, LabelSerializer, TextSerializer
 
@@ -132,7 +132,7 @@ class DocumentList(generics.ListCreateAPIView):
         return queryset
 
 
-class AnnotationsAPI(generics.ListCreateAPIView):
+class AnnotationList(generics.ListCreateAPIView):
     pagination_class = None
     permission_classes = (IsAuthenticated, IsProjectUser)
 
@@ -155,7 +155,7 @@ class AnnotationsAPI(generics.ListCreateAPIView):
         serializer.save(document=doc, user=self.request.user)
 
 
-class AnnotationAPI(generics.RetrieveUpdateDestroyAPIView):
+class AnnotationDetail(generics.RetrieveUpdateDestroyAPIView):
     permission_classes = (IsAuthenticated, IsProjectUser, IsOwnAnnotation)
 
     def get_queryset(self):
diff --git a/app/server/urls.py b/app/server/urls.py
index c5d8de4b..38946d7d 100644
--- a/app/server/urls.py
+++ b/app/server/urls.py
@@ -5,7 +5,7 @@ from .views import IndexView
 from .views import ProjectView, DatasetView, DataUpload, LabelView, StatsView
 from .views import ProjectsView, DataDownload
 from .api import ProjectViewSet, LabelList, ProjectStatsAPI, LabelDetail, ProjectDocsAPI, \
-    AnnotationsAPI, AnnotationAPI, DocumentList
+    AnnotationList, AnnotationDetail, DocumentList
 
 router = routers.DefaultRouter()
 router.register(r'projects', ProjectViewSet)
@@ -18,8 +18,8 @@ urlpatterns = [
     path('api/projects/<int:project_id>/labels/<int:label_id>', LabelDetail.as_view(), name='label'),
     path('api/projects/<int:project_id>/docs/', ProjectDocsAPI.as_view(), name='docs'),
     path('api/projects/<int:project_id>/texts/', DocumentList.as_view(), name='texts'),
-    path('api/projects/<int:project_id>/docs/<int:doc_id>/annotations/', AnnotationsAPI.as_view(), name='annotations'),
-    path('api/projects/<int:project_id>/docs/<int:doc_id>/annotations/<int:annotation_id>', AnnotationAPI.as_view(), name='ann'),
+    path('api/projects/<int:project_id>/docs/<int:doc_id>/annotations/', AnnotationList.as_view(), name='annotations'),
+    path('api/projects/<int:project_id>/docs/<int:doc_id>/annotations/<int:annotation_id>', AnnotationDetail.as_view(), name='ann'),
     path('projects/', ProjectsView.as_view(), name='projects'),
     path('projects/<int:project_id>/download', DataDownload.as_view(), name='download'),
     path('projects/<int:project_id>/', ProjectView.as_view(), name='annotation'),