diff --git a/src/block/BlockFactory.php b/src/block/BlockFactory.php
index 6c18ce151..ee5b2c820 100644
--- a/src/block/BlockFactory.php
+++ b/src/block/BlockFactory.php
@@ -880,7 +880,11 @@ class BlockFactory{
 	}
 
 	/**
-	 * Returns a new Block instance with the specified ID, meta and position.
+	 * @deprecated This method should ONLY be used for deserializing data, e.g. from a config or database. For all other
+	 * purposes, use VanillaBlocks.
+	 * @see VanillaBlocks
+	 *
+	 * Deserializes a block from the provided legacy ID and legacy meta.
 	 */
 	public function get(int $id, int $meta) : Block{
 		if($meta < 0 or $meta > 0xf){
diff --git a/src/item/ItemFactory.php b/src/item/ItemFactory.php
index 74364bc2e..28b6f1b93 100644
--- a/src/item/ItemFactory.php
+++ b/src/item/ItemFactory.php
@@ -424,7 +424,11 @@ class ItemFactory{
 	}
 
 	/**
-	 * Returns an instance of the Item with the specified id, meta, count and NBT.
+	 * @deprecated This method should ONLY be used for deserializing data, e.g. from a config or database. For all other
+	 * purposes, use VanillaItems.
+	 * @see VanillaItems
+	 *
+	 * Deserializes an item from the provided legacy ID, legacy meta, count and NBT.
 	 *
 	 * @throws \InvalidArgumentException
 	 */