diff --git a/src/Illuminate/Collections/Collection.php b/src/Illuminate/Collections/Collection.php
index 8c9e2a06e43..20b71d4b4f1 100644
--- a/src/Illuminate/Collections/Collection.php
+++ b/src/Illuminate/Collections/Collection.php
@@ -676,7 +676,7 @@ public function intersectAssocUsing($items, callable $callback)
     /**
      * Intersect the collection with the given items by key.
      *
-     * @param  \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue>  $items
+     * @param  \Illuminate\Contracts\Support\Arrayable<TKey, mixed>|iterable<TKey, mixed>  $items
      * @return static
      */
     public function intersectByKeys($items)
diff --git a/src/Illuminate/Collections/Enumerable.php b/src/Illuminate/Collections/Enumerable.php
index d279727867f..2a70e91af7c 100644
--- a/src/Illuminate/Collections/Enumerable.php
+++ b/src/Illuminate/Collections/Enumerable.php
@@ -598,7 +598,7 @@ public function intersectAssocUsing($items, callable $callback);
     /**
      * Intersect the collection with the given items by key.
      *
-     * @param  \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue>  $items
+     * @param  \Illuminate\Contracts\Support\Arrayable<TKey, mixed>|iterable<TKey, mixed>  $items
      * @return static
      */
     public function intersectByKeys($items);
diff --git a/src/Illuminate/Collections/LazyCollection.php b/src/Illuminate/Collections/LazyCollection.php
index dc636f5ec17..85da2de4bf6 100644
--- a/src/Illuminate/Collections/LazyCollection.php
+++ b/src/Illuminate/Collections/LazyCollection.php
@@ -680,7 +680,7 @@ public function intersectAssocUsing($items, callable $callback)
     /**
      * Intersect the collection with the given items by key.
      *
-     * @param  \Illuminate\Contracts\Support\Arrayable<TKey, TValue>|iterable<TKey, TValue>  $items
+     * @param  \Illuminate\Contracts\Support\Arrayable<TKey, mixed>|iterable<TKey, mixed>  $items
      * @return static
      */
     public function intersectByKeys($items)