Remove dust spots in a photo

Open a photo with dust spots and select Remove  .

Under Distraction Removal, select the drop-down beside Dust to expand the panel, then select Apply. Lightroom will automatically detect the dust spots in a photo and remove them.

Select a removed spot on the image to refresh or delete it.

Click on the photo to remove additional dust spots. Use the Size slider to adjust the size of areas that will be removed.

Select the Visualize spots checkbox in the Remove panel to view any extra dust spots in the image. Drag the Threshold slider to the right to view the mask in greater detail, and slide it to the left to view with less detail. 

You can select   to switch back to the original photo. 

Select More image settings   once you have applied the desired edits to a photo.

Select Choose Edit Settings to Copy. In the Copy Settings menu, choose Dust from the menu under Remove.

Select or de-select all the other edit settings, then select Copy.

Open the photo where you want to paste these edit settings, navigate to the More image settings   menu and select Paste Edit Settings.

You can also select multiple photos and apply the copied edit settings together.