diff --git a/lib/pls/include/pls/pls.h b/lib/pls/include/pls/pls.h
index df3ade5..0602610 100644
--- a/lib/pls/include/pls/pls.h
+++ b/lib/pls/include/pls/pls.h
@@ -3,7 +3,6 @@
 
 #include "pls/algorithms/invoke_parallel.h"
 #include "pls/algorithms/parallel_for.h"
-#include "pls/internal/scheduling/abstract_task.h"
 #include "pls/internal/scheduling/task.h"
 #include "pls/internal/scheduling/scheduler.h"
 #include "pls/internal/helpers/unique_id.h"
@@ -14,7 +13,6 @@ using internal::scheduling::static_scheduler_memory;
 using internal::scheduling::malloc_scheduler_memory;
 
 using internal::scheduling::scheduler;
-using task_id = internal::scheduling::abstract_task::id;
 
 using unique_id = internal::helpers::unique_id;