ABAP : delete adjacent

TYPES: BEGIN OF ty_data,
      num1 TYPE i,
      num2 TYPE i,
      name1(20),
      name2(20),
      END OF ty_data.

DATA it_data TYPE TABLE OF ty_data WITH HEADER LINE.

it_data-num1 = 1.
it_data-num2 = 111.
it_data-name1 = 'ant'.
it_data-name2 = 'soant'.
append it_data.

it_data-num1 = 1.
it_data-num2 = 111.
it_data-name1 = 'ant'.
it_data-name2 = 'soant'.
append it_data.

delete ADJACENT DUPLICATES FROM it_data COMPARING num1 name2.

" if particular field is duplicate that deletes other row
BREAK-POINT.