Why do we link libdunecommon to TBB?

In dune-common-targets.cmake I read

 ...
 INTERFACE_LINK_LIBRARIES "Threads::Threads;/usr/lib/x86_64-linux-gnu/libopenblas.so;-pthread;-lm;-ldl;TBB::tbb"
  ...

but TBB does not seem to be used in any of the core module. Am I missing something or why is that?