diff --git a/ocw/tables.py b/ocw/tables.py
index 7eab71a7..cc300ea6 100644
--- a/ocw/tables.py
+++ b/ocw/tables.py
@@ -52,7 +52,7 @@ def __init__(self, template_name=None, **extra):
         super().__init__(template_name="ocw/tags.html", orderable=False, **extra)
 
     @property
-    def header(self, **kwargs):
+    def header(self):
         return get_template('ocw/tags_header.html').render()
 
 
@@ -94,8 +94,8 @@ class BaseFilterSet(django_filters.FilterSet):
     def __init__(self, data=None, *args, **kwargs):
         if data is not None:
             data = data.copy()
-            for name, f in self.base_filters.items():
-                initial = f.extra.get('initial')
+            for name, filter in self.base_filters.items():
+                initial = filter.extra.get('initial')
                 if not data.get(name) and initial is not None:
                     if isinstance(initial, list):
                         data.setlistdefault(name, initial)
diff --git a/ocw/views.py b/ocw/views.py
index 4d80a7c1..ddcd83a2 100644
--- a/ocw/views.py
+++ b/ocw/views.py
@@ -8,6 +8,8 @@
 from .tables import InstanceTable
 from .tables import InstanceFilter
 
+# pylint: disable=unused-argument
+
 
 class FilteredSingleTableView(SingleTableView):
     filter_class = None
@@ -72,6 +74,6 @@ def update_status(request):
 
 @login_required
 def delete(request, key_id=None):
-    o = Instance.objects.get(id=key_id)
-    db.delete_instance(o)
+    obj = Instance.objects.get(id=key_id)
+    db.delete_instance(obj)
     return redirect('update')