Anti x-ray not working in Nether

Hi. Anti x-ray very good working in normal world, but in nether you can easily see quartz ore. How i can solve this problem?

config:
anti-xray:
enabled: true
engine-mode: 2
chunk-edge-mode: 3
max-chunk-section-index: 3
update-radius: 2
hidden-blocks:
- gold_ore
- iron_ore
- coal_ore
- lapis_ore
- mossy_cobblestone
- obsidian
- chest
- diamond_ore
- redstone_ore
- lit_redstone_ore
- clay
- emerald_ore
- ender_chest
- quartz_ore
replacement-blocks:
- stone
- planks