There are various different levels of deletion of custom fields/comments within Workspaces.
The first of these levels is simply to delete a custom field or comment for a specific patent.
For comments, you would do this by clicking on the comment and then once you have reached the "Comments" area, by going to the specific comment and clicking on the "delete" icon.
For custom fields, this will vary depending on the type of custom field that you have chosen.
For drop-down menus, you have to select the custom field for the specific patent and then deselect the options that you don't want included anymore.
For drop-down trees, you have to select the custom field for the specific patent and then untick the boxes that have been previously checked.
For text, you have to select the custom field for the specific patent and then remove the text.
For numeric, you have to select the custom field for the specific patent and then remove the number.
For dates, there is no way currently to remove this custom field for specific patents (only change its value) but you can completely remove this custom field from this folder or the whole Workspace area by using the procedures I will mention in the paragraphs below.
The second level for deleting custom fields is by deleting them from the specific folder.
To do this, go to the "Custom Field" drop-down menu and select the option of "Show/hide custom fields".
From the "Show/hide custom fields" area, click on the delete icon for the currently "Displayed Fields" that you want to remove from this folder and click on "Submit".
The third and final level for deleting custom fields is by deleting them from the entire Workspace area. There are two different ways of doing this.
The first way is to click on the arrow next to the custom field in a folder in which it is present and then select the option of "Delete".
The second way to do this is to go to the Workspace page and select the option of "My custom fields".
Once you reach the "My custom fields" area, you can then delete the custom fields individually or a bunch of them at the same time.