Content-aware fill seamlessly fills a selected portion of an image with similar image content from surrounding parts of the photo. For the best results, create a selection that extends slightly into the area you want to replicate.
Select a portion of an image. Use the Lasso or Marquee selection tools.
Click Edit > Fill Selection.
In the Fill Layer dialog, from the Use drop-down, select Content-Aware.
Select a portion of the image you want to remove (left);
Apply a content-aware fill (right) .
If you don’t like the results, click Edit > Undo, and apply another Content-aware fill.