Open the PDF in Acrobat.
To delete pages from a PDF, ensure you have permission to edit the PDF. To check in Acrobat, choose File > Properties, and then click the Security tab. Review the Document Restrictions Summary.
Delete pages from PDF using Acrobat
- 
    
- 
    
Choose the Organize Pages tool from the right pane. 
 The Organize Pages toolset is displayed in the secondary toolbar, and the page thumbnails are displayed in the Document area.
- 
    
Select a page thumbnail you want to delete and click the Delete  icon   to delete the page. icon   to delete the page.
- 
    
A confirmation dialog box is displayed. Click OK to confirm. 
- 
    
Save the PDF.