The pCloud Web app gives you an easy way to delete files in your pCloud account.
Delete multiple files and/or folders at once - Place a checkmark to the left of the files or folders you want to delete. Select the Delete option at the header bar on top of your files and folders' list and you are done
Deleting only one file or folder at a time - just click the More options button on the file or folder's right side. A drop down menu will appear and you will see multiple options to choose from. Click the Delete button from the drop down list and you are done.