Delete the whole planning category in SAP S4/HANA Public cloud

Hello experts, 

I'm successful request of your expertise 

My situation: 

I created my ain readying class successful SAP S/4HANA Cloud Public Edition, imported fiscal program information and now, one privation to delete that readying category. I'd similar to inquire - what volition hap with the planned data, if one delete the class in "Maintain class for planning" implementation activity? Will the planned information beryllium deleted from the strategy excessively oregon bash one request to delete the information first, and past delete the readying category?

Thanks for the answers successful advance