This command deletes a data element from an entry in the boot configuration data store. bcdedit /store /deletevalue Specifies ...

This command deletes a data element from an entry in the boot configuration data store.  bcdedit [/store ] /deletevalue []         Specifies the store to be used. If this option is not                 specified, the system store is used. For more information,                 run "bcdedit /? store".              Specifies the identifier of the entry that will be modified. If                 not specified, {current} is used.  For more information about                 identifiers, run "bcdedit /? ID".        Specifies the option that will be removed from the specified                 entry. Run "bcdedit /? TYPES" for more information about                 data types.  Examples:  The following command deletes the bootsequence option from the boot manager entry:      bcdedit /deletevalue {bootmgr} bootsequence  The following command deletes the Windows Preinstallation Environment (WinPE) value from the current operating system boot entry:      bcdedit /deletevalue winpe  The following command deletes the Windows PE value from the specified operating system boot entry:      bcdedit /deletevalue {cbd971bf-b7b8-4885-951a-fa03044f5d71} winpe