Cannot hide most Blueprint categories from the Class Settings

Cannot hide most Blueprint categories from the Class Settings of a bp.

x = Cannot hide

Actor - Hid-able
Add Component - x
Add Event - x
AI - x
Animation - Hid-able
Audio - Hid-able
Canvas Render Target 2D - x
Collision - x
Components - x
Data Table - x
Debug - Hid-able
Development - x
Event Dispatchers - x
Focus - Hid-able
Functional Testing - x
Game - x
Gameplay Tags - x
Guid -
Input - x
Live Streaming - x
LOD - x
Math - x
Networking - x
Online - x
Painting - Hid-able
Pawn - Hid-able
Physics - x
Physics Volume - x
Rendering - x
Replication - Hid-able
Slot - Hid-able
Tutorial - Hid-able
User Interface - x
Utilities - x
Variables - x
Viewport - Hid-able
Widget - Hid-able

1. Open QA-Game
2. Create an actor class bp & open it
3. Select the Class Settings icon > Blueprint Options > Hide Categories
4. Add 3 elements
5. Enter (AI, Input, LOD)
6. Compile the bp & right click in the Event Graph

Results: The 3 categories entered will not be hidden

Expected: For any category entered this way to be hidden