--- a/modules/core/src/parallel.cpp
+++ b/modules/core/src/parallel.cpp
@@ -101,7 +101,6 @@
#endif
#include "tbb/tbb.h"
#include "tbb/task.h"
- #include "tbb/tbb_stddef.h"
#if TBB_INTERFACE_VERSION >= 8000
#include "tbb/task_arena.h"