diff --git a/src/Illuminate/Database/Eloquent/Concerns/QueriesRelationships.php b/src/Illuminate/Database/Eloquent/Concerns/QueriesRelationships.php
index fe90c84c1d5..0d424995cff 100644
--- a/src/Illuminate/Database/Eloquent/Concerns/QueriesRelationships.php
+++ b/src/Illuminate/Database/Eloquent/Concerns/QueriesRelationships.php
@@ -536,7 +536,7 @@ public function orWhereMorphDoesntHaveRelation($relation, $types, $column, $oper
      * Add a morph-to relationship condition to the query.
      *
      * @param  \Illuminate\Database\Eloquent\Relations\MorphTo<*, *>|string  $relation
-     * @param  \Illuminate\Database\Eloquent\Model|\Illuminate\Support\Collection<int, \Illuminate\Database\Eloquent\Model>|string|null  $model
+     * @param  \Illuminate\Database\Eloquent\Model|Iterable<int, \Illuminate\Database\Eloquent\Model>|string|null  $model
      * @return $this
      */
     public function whereMorphedTo($relation, $model, $boolean = 'and')
@@ -579,7 +579,7 @@ public function whereMorphedTo($relation, $model, $boolean = 'and')
      * Add a not morph-to relationship condition to the query.
      *
      * @param  \Illuminate\Database\Eloquent\Relations\MorphTo<*, *>|string  $relation
-     * @param  \Illuminate\Database\Eloquent\Model|\Illuminate\Support\Collection<int, \Illuminate\Database\Eloquent\Model>|string  $model
+     * @param  \Illuminate\Database\Eloquent\Model|Iterable<int, \Illuminate\Database\Eloquent\Model>|string  $model
      * @return $this
      */
     public function whereNotMorphedTo($relation, $model, $boolean = 'and')
@@ -618,7 +618,7 @@ public function whereNotMorphedTo($relation, $model, $boolean = 'and')
      * Add a morph-to relationship condition to the query with an "or where" clause.
      *
      * @param  \Illuminate\Database\Eloquent\Relations\MorphTo<*, *>|string  $relation
-     * @param  \Illuminate\Database\Eloquent\Model|\Illuminate\Support\Collection<int, \Illuminate\Database\Eloquent\Model>|string|null  $model
+     * @param  \Illuminate\Database\Eloquent\Model|Iterable<int, \Illuminate\Database\Eloquent\Model>|string|null  $model
      * @return $this
      */
     public function orWhereMorphedTo($relation, $model)
@@ -630,7 +630,7 @@ public function orWhereMorphedTo($relation, $model)
      * Add a not morph-to relationship condition to the query with an "or where" clause.
      *
      * @param  \Illuminate\Database\Eloquent\Relations\MorphTo<*, *>|string  $relation
-     * @param  \Illuminate\Database\Eloquent\Model|\Illuminate\Support\Collection<int, \Illuminate\Database\Eloquent\Model>|string  $model
+     * @param  \Illuminate\Database\Eloquent\Model|Iterable<int, \Illuminate\Database\Eloquent\Model>|string  $model
      * @return $this
      */
     public function orWhereNotMorphedTo($relation, $model)
diff --git a/tests/Database/DatabaseEloquentBuilderTest.php b/tests/Database/DatabaseEloquentBuilderTest.php
index 85cda40ef9f..a84cd851eb0 100755
--- a/tests/Database/DatabaseEloquentBuilderTest.php
+++ b/tests/Database/DatabaseEloquentBuilderTest.php
@@ -1809,7 +1809,7 @@ public function testWhereMorphedToCollectionWithDifferentModels()
         $thirdRelatedModel = new EloquentBuilderTestModelCloseRelatedStub;
         $thirdRelatedModel->id = 3;
 
-        $builder = $model->whereMorphedTo('morph', new Collection([$firstRelatedModel, $secondRelatedModel, $thirdRelatedModel]));
+        $builder = $model->whereMorphedTo('morph', [$firstRelatedModel, $secondRelatedModel, $thirdRelatedModel]);
 
         $this->assertSame('select * from "eloquent_builder_test_model_parent_stubs" where (("eloquent_builder_test_model_parent_stubs"."morph_type" = ? and "eloquent_builder_test_model_parent_stubs"."morph_id" in (?, ?)) or ("eloquent_builder_test_model_parent_stubs"."morph_type" = ? and "eloquent_builder_test_model_parent_stubs"."morph_id" in (?)))', $builder->toSql());
         $this->assertEquals([$firstRelatedModel->getMorphClass(), $firstRelatedModel->getKey(), $thirdRelatedModel->getKey(), $secondRelatedModel->getMorphClass(), $secondRelatedModel->id], $builder->getBindings());
@@ -1869,7 +1869,7 @@ public function testWhereNotMorphedToCollectionWithDifferentModels()
         $thirdRelatedModel = new EloquentBuilderTestModelCloseRelatedStub;
         $thirdRelatedModel->id = 3;
 
-        $builder = $model->whereNotMorphedTo('morph', new Collection([$firstRelatedModel, $secondRelatedModel, $thirdRelatedModel]));
+        $builder = $model->whereNotMorphedTo('morph', [$firstRelatedModel, $secondRelatedModel, $thirdRelatedModel]);
 
         $this->assertSame('select * from "eloquent_builder_test_model_parent_stubs" where not (("eloquent_builder_test_model_parent_stubs"."morph_type" <=> ? and "eloquent_builder_test_model_parent_stubs"."morph_id" not in (?, ?)) or ("eloquent_builder_test_model_parent_stubs"."morph_type" <=> ? and "eloquent_builder_test_model_parent_stubs"."morph_id" not in (?)))', $builder->toSql());
         $this->assertEquals([$firstRelatedModel->getMorphClass(), $firstRelatedModel->getKey(), $thirdRelatedModel->getKey(), $secondRelatedModel->getMorphClass(), $secondRelatedModel->id], $builder->getBindings());
@@ -1920,7 +1920,7 @@ public function testOrWhereMorphedToCollectionWithDifferentModels()
         $thirdRelatedModel = new EloquentBuilderTestModelCloseRelatedStub;
         $thirdRelatedModel->id = 3;
 
-        $builder = $model->where('bar', 'baz')->orWhereMorphedTo('morph', new Collection([$firstRelatedModel, $secondRelatedModel, $thirdRelatedModel]));
+        $builder = $model->where('bar', 'baz')->orWhereMorphedTo('morph', [$firstRelatedModel, $secondRelatedModel, $thirdRelatedModel]);
 
         $this->assertSame('select * from "eloquent_builder_test_model_parent_stubs" where "bar" = ? or (("eloquent_builder_test_model_parent_stubs"."morph_type" = ? and "eloquent_builder_test_model_parent_stubs"."morph_id" in (?, ?)) or ("eloquent_builder_test_model_parent_stubs"."morph_type" = ? and "eloquent_builder_test_model_parent_stubs"."morph_id" in (?)))', $builder->toSql());
         $this->assertEquals(['baz', $firstRelatedModel->getMorphClass(), $firstRelatedModel->getKey(), $thirdRelatedModel->getKey(), $secondRelatedModel->getMorphClass(), $secondRelatedModel->id], $builder->getBindings());
@@ -1982,7 +1982,7 @@ public function testOrWhereNotMorphedToCollectionWithDifferentModels()
         $thirdRelatedModel = new EloquentBuilderTestModelCloseRelatedStub;
         $thirdRelatedModel->id = 3;
 
-        $builder = $model->where('bar', 'baz')->orWhereNotMorphedTo('morph', new Collection([$firstRelatedModel, $secondRelatedModel, $thirdRelatedModel]));
+        $builder = $model->where('bar', 'baz')->orWhereNotMorphedTo('morph', [$firstRelatedModel, $secondRelatedModel, $thirdRelatedModel]);
 
         $this->assertSame('select * from "eloquent_builder_test_model_parent_stubs" where "bar" = ? or not (("eloquent_builder_test_model_parent_stubs"."morph_type" <=> ? and "eloquent_builder_test_model_parent_stubs"."morph_id" not in (?, ?)) or ("eloquent_builder_test_model_parent_stubs"."morph_type" <=> ? and "eloquent_builder_test_model_parent_stubs"."morph_id" not in (?)))', $builder->toSql());
         $this->assertEquals(['baz', $firstRelatedModel->getMorphClass(), $firstRelatedModel->getKey(), $thirdRelatedModel->getKey(), $secondRelatedModel->getMorphClass(), $secondRelatedModel->id], $builder->getBindings());