You cannot delete all your photos in one action. You have to delete them album by album.

1. Sign in to your Google account
2. Go to Picasa Web Albums

You may have to click through if you see "Click here to go back to Picasa Web Albums." appear

3. Click and open an album
4. Select Actions → Delete album
5. Do this for each album you want to delete.

This will also remove those from your linked Android phone.

The only way to delete all your photos in one go is to delete both Picasa and Google+ accounts.

You cannot delete all your photos in one action. You have to delete them album by album.

1. Sign in to your Google account

2. Go to Picasa Web Albums

   You may have to click through if you see "Click here to go back to Picasa Web Albums." appear

3. Click and open an album

4. Select Actions → Delete album

5. Do this for each album you want to delete.

This will also remove those from your linked Android phone.

The only way to delete all your photos in one go is to delete both Picasa and Google+ accounts.

Self answer by Nora

1. Sign in your Google account
2. Click on the option to Disable Google+
3. Click on "Delete Google content". Click on Picasa web albums
4. On Picasa web site, at the top it should say "My photos" so click on that. Then click on "Scrapbook photos". Then go to "Actions" then scroll down and click on "Delete album" and there! All your Google photos are all gone even the annoying ones on your Android phone

You cannot delete all your photos in one action. You have to delete them album by album.

1. Sign in to your Google account
2. Go to Picasa Web Albums

You may have to click through if you see "Click here to go back to Picasa Web Albums." appear

3. Click and open an album
4. Select Actions → Delete album
5. Do this for each album you want to delete.

This will also remove those from your linked Android phone.

The only way to delete all your photos in one go is to delete both Picasa and Google+ accounts.