diff --git a/src/item/ItemIdentifier.php b/src/item/ItemIdentifier.php
index 5ddf652bd..e0d0d28ba 100644
--- a/src/item/ItemIdentifier.php
+++ b/src/item/ItemIdentifier.php
@@ -33,9 +33,6 @@ class ItemIdentifier{
 	public static function fromBlock(Block $block) : self{
 		//negative item type IDs are treated as block IDs
 		//TODO: maybe an ItemBlockIdentifier is in order?
-		//TODO: this isn't vanilla-compliant, but it'll do for now - we only use the "legacy" item ID/meta for full type
-		//indexing right now, because item type IDs aren't granular enough
-		//this should be removed once that's addressed
 		return new self(-$block->getTypeId());
 	}