Delete duplicate from one workbook compared to another work book

Hello!

I have columns A and B in sheet1,workbook1, and columns A and B in sheet2,workbook2. The code below checks for the duplicates between the two workbooks by comparing columns A and B in sheet1 and sheet2:

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What I would like to do now is to achieve some sort of reverse engineering of that code above. I'd like to compare the values of column A and column B from sheet2,workbook2 into ALL the sheets in workbook1 and delete them from workbook 1 if it is found.

Any help would be greatly appreciated. Thank you.