Any way for me to deletes the inserted object in PDF page with Flip Builder?

I have drawn a line on wrong area on PDF, how can I delete the inserted one and draw a line on the correct place?

In Flip Builder program, provide three ways for you to delete the object which you added on PDF page by mistake. Follow the below steps to delete the object from PDF page:

1. Choose the object which you want delete from the PDF page, then Click the "Delete Object" button on Insert Shape box to delete.

2. Choose the fault object on PDF page, right-click the mouse to show drop-down list, then click the "Delete" option to move the object from PDF page;

3. Choose the fault object on PDF page, click "Delete" button on "Clipboard" to delete from PDF page.

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