Delete last lines from .bash_history

history - View command history from ~/.bash_profile file

history -d $((HISTCMD-2)) && history -d $((HISTCMD-1))

This command will hide the history command and the previous command.

 history -d $((HISTCMD-1))

This command will delete from history only the record of this command.

history -d [line_number]

Deletes command from line [line_number]