Delete Photos from iMac's HD
I am sorting through loads of photos and know that by only deleting a photo from within iPhoto, by hitting the delete key, is not sufficient.
I move unwanted photos to the trash bin and then periodically I empty iPhoto's Trash.
iPhoto > Empty iPhoto Trash.
It appears to be working in that I can no longer find these photos in the Master folder.
Path:
Pictures -> iPhoto Library -> Masters -> 2015....etc
However, when I am checking the computer's storage, the GBs for Photos remain unchanged. Only the free space on the disk has increased.
Is this normal? I expected that the GBs specified for Photos also would have decreased.
I just want all unwanted pics permanently removed from the HD.
I am using OS X 10.9.5
Thanks in advance
iMac, OS X Mavericks (10.9.4)