diff --git a/apps/tag/serializers.py b/apps/tag/serializers.py
index 2fea5ad0..f6266060 100644
--- a/apps/tag/serializers.py
+++ b/apps/tag/serializers.py
@@ -123,19 +123,7 @@ class FiltersTagCategoryBaseSerializer(serializers.ModelSerializer):
         return obj in ['open_now', ]
 
     def get_param_name(self, obj):
-        if obj == 'service':
-            return 'tags_id__in'
-
-        elif obj == 'pop':
-            return 'tags_id__in'
-
-        elif obj == 'open_now':
-            return 'open_now'
-
-        elif obj == 'wine_region':
-            return 'wine_region_id__in'
-
-        return '%s__in' % obj.index_name
+        return 'tags_id__in'
 
     def get_fields(self, *args, **kwargs):
         fields = super(FiltersTagCategoryBaseSerializer, self).get_fields()