Need to delete block!!

I was trying to copy archive and category from original module home to view page.

But after I have paste block to view page, page is just disappeared from Builder > page block.

I think I need to delete copied archive and category block from view page.

Please teach me name of the table that I can delete block.

Any one? Please help!

sys_page_compose

>ProfessorSr

Thank you so much for your help!!!

Problem is perfectly solved.