diff --git a/.simplecov b/.simplecov
index a114f3d..1f7d28d 100644
--- a/.simplecov
+++ b/.simplecov
@@ -6,13 +6,15 @@ if $coverage
 
     formatter SimpleCov::Formatter::HTMLFormatter
 
-    add_group 'Channels',    '/app/channels/'
     add_group 'Interactors', '/app/interactors/'
     add_group 'Policies',    '/app/policies/'
+    add_group 'Primitives',  '/app/primitives/'
+    add_group 'Validators',  '/app/validators/'
 
-    add_filter '/app/previews/'
     add_filter '/factories/'
     add_filter '/features/'
+    add_filter '/lib/partynest/migration.rb'
+    add_filter '/lib/partynest/rspec_account_role_helpers.rb'
     add_filter '/lib/templates/'
     add_filter '/spec/'
     add_filter '/vendor/'