--- a/taskcluster/taskgraph/target_tasks.py
+++ b/taskcluster/taskgraph/target_tasks.py
@@ -55,17 +55,16 @@ def target_tasks_try_option_syntax(full_
         for l in target_tasks_labels:
             task = full_task_graph[l]
             if 'unittest_suite' in task.attributes:
                 task.attributes['task_duplicates'] = options.trigger_tests
 
     return target_tasks_labels
 
 
-@_target_task('all_builds_and_tests')  # (old name)
 @_target_task('default')
 def target_tasks_default(full_task_graph, parameters):
     """Target the tasks which have indicated they should be run on this project
     via the `run_on_projects` attributes."""
     def filter(task):
         run_on_projects = set(t.attributes.get('run_on_projects', []))
         if 'all' in run_on_projects:
             return True