How do I delete Class from Registry?

NTDEV
1

I decided to create new class of devices. Make ClassInstaller DLL, inf
file, ClassInstaller32 section etc.
Class appears in Registry
(HKLM\Setup\CurrentControlSet\Control\Class{SetupClassGUID}). How do I
delete it from Registy now?

I read description of directive DelReg for ClassInstaller32 section:
“However, if a particular {SetupClassGUID} subkey exists in the registry
…Class branch, the system setup code subsequently ignores the
ClassInstall32 section of any INF that specifies the same GUID value in its
Version section. Consequently, an INF cannot replace an existing class
installer or modify its behavior from a ClassInstall32 section. To modify
the behavior of existing class installer, use a class-specific
co-installer.”

But, it is no answer on my question? I want to delete class from system and
no modify installation procedure.

Thank in advance

Andrei Souvalski