2012 MBP can't delete Window's Bootcamp Partition it doesn't give me minus (-) option.

Trying to delete the Bootcamp partition but it doesn't provide me the minus (-) option like used to. When I run diskutil list here is the output:

kenlu@kens-mbp ~ % diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         377.0 GB   disk0s2
   3:         Microsoft Reserved                         16.8 MB    disk0s3
   4:                  Apple_HFS BOOTCAMP                122.7 GB   disk0s4

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +377.0 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume MacOS - Data            70.5 GB    disk1s1
   2:                APFS Volume Preboot                 26.8 MB    disk1s2
   3:                APFS Volume Recovery                525.0 MB   disk1s3
   4:                APFS Volume VM                      5.4 GB     disk1s4
   5:                APFS Volume MacOS                   11.0 GB    disk1s5