Delete entries from SMQ2

Hello all,

We have about 500,000 entries in SMQ2 we want to delete.

How can i delete those entries from SMQ2.

I have senn note  760113 - Delete unprocessed LUWs in the qRFC :
Using : RSTRFCIDS report and report RSQIWKEX,

Which one should I used and how the step?

Thanks for any help-

Reza