diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 0e626dc55..89be28d34 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -177,7 +177,7 @@ parameters:
 
 		-
 			message: "#^Call to private method delete\\(\\) of parent class Illuminate\\\\Database\\\\Eloquent\\\\Relations\\\\MorphOne\\<Illuminate\\\\Database\\\\Eloquent\\\\Model\\>\\.$#"
-			count: 3
+			count: 2
 			path: src/Database/Relations/AttachOne.php
 
 		-
diff --git a/src/Database/Relations/Concerns/AttachOneOrMany.php b/src/Database/Relations/Concerns/AttachOneOrMany.php
index ff07ae3be..be5f4f61e 100644
--- a/src/Database/Relations/Concerns/AttachOneOrMany.php
+++ b/src/Database/Relations/Concerns/AttachOneOrMany.php
@@ -150,22 +150,17 @@ public function save(Model $model, $sessionKey = null)
      */
     public function create(array $attributes = [], $sessionKey = null)
     {
-        // Delete siblings for single attachments
-        if ($sessionKey === null && $this instanceof AttachOne) {
-            $this->delete();
-        }
-
         if (!array_key_exists('is_public', $attributes)) {
             $attributes = array_merge(['is_public' => $this->isPublic()], $attributes);
         }
 
         $attributes['field'] = $this->fieldName;
 
-        $model = parent::create($attributes);
+        $model = $sessionKey === null
+            ? $this->related->newInstance($attributes)
+            : parent::create($attributes);
 
-        if ($sessionKey !== null) {
-            $this->add($model, $sessionKey);
-        }
+        $this->add($model, $sessionKey);
 
         return $model;
     }
diff --git a/tests/Database/Relations/AttachManyTest.php b/tests/Database/Relations/AttachManyTest.php
index ae3e75923..701c10484 100644
--- a/tests/Database/Relations/AttachManyTest.php
+++ b/tests/Database/Relations/AttachManyTest.php
@@ -82,4 +82,45 @@ public function testDeleteFlagDeleteModelLaravelRelation()
         $user->delete();
         $this->assertNull(File::find($photoId));
     }
+
+    public function testCreateFiresRelationEvents()
+    {
+        Model::unguard();
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        Model::reguard();
+
+        $beforeAddCalls = [];
+        $afterAddCalls = [];
+        $user->bindEvent('model.relation.beforeAdd', function ($relationName, $relatedModel) use (&$beforeAddCalls) {
+            $beforeAddCalls[] = [$relationName, $relatedModel];
+        });
+        $user->bindEvent('model.relation.afterAdd', function ($relationName, $relatedModel) use (&$afterAddCalls) {
+            $afterAddCalls[] = [$relationName, $relatedModel];
+        });
+
+        $photo = $user->photos()->create(['data' => dirname(dirname(__DIR__)) . '/fixtures/attach/avatar.png']);
+
+        $this->assertCount(1, $beforeAddCalls);
+        $this->assertSame('photos', $beforeAddCalls[0][0]);
+        $this->assertTrue($photo->is($beforeAddCalls[0][1]));
+
+        $this->assertCount(1, $afterAddCalls);
+        $this->assertSame('photos', $afterAddCalls[0][0]);
+        $this->assertTrue($photo->is($afterAddCalls[0][1]));
+    }
+
+    public function testCreateDoesNotReplaceExistingAttachments()
+    {
+        Model::unguard();
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        Model::reguard();
+
+        $first = $user->photos()->create(['data' => dirname(dirname(__DIR__)) . '/fixtures/attach/avatar.png']);
+        $second = $user->photos()->create(['data' => dirname(dirname(__DIR__)) . '/fixtures/attach/avatar.png']);
+
+        $this->assertNotNull(File::find($first->id));
+        $this->assertNotNull(File::find($second->id));
+        $user->reloadRelations();
+        $this->assertCount(2, $user->photos);
+    }
 }
diff --git a/tests/Database/Relations/AttachOneTest.php b/tests/Database/Relations/AttachOneTest.php
index 2ed5e47d0..9e5bf3afc 100644
--- a/tests/Database/Relations/AttachOneTest.php
+++ b/tests/Database/Relations/AttachOneTest.php
@@ -176,4 +176,46 @@ public function testDeleteFlagSoftDeleteModel()
         $user->delete();
         $this->assertNotNull(File::find($avatarId));
     }
+
+    public function testCreateFiresRelationEvents()
+    {
+        Model::unguard();
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        Model::reguard();
+
+        $beforeAddCalls = [];
+        $afterAddCalls = [];
+        $user->bindEvent('model.relation.beforeAdd', function ($relationName, $relatedModel) use (&$beforeAddCalls) {
+            $beforeAddCalls[] = [$relationName, $relatedModel];
+        });
+        $user->bindEvent('model.relation.afterAdd', function ($relationName, $relatedModel) use (&$afterAddCalls) {
+            $afterAddCalls[] = [$relationName, $relatedModel];
+        });
+
+        $avatar = $user->avatar()->create(['data' => dirname(dirname(__DIR__)) . '/fixtures/attach/avatar.png']);
+
+        $this->assertCount(1, $beforeAddCalls);
+        $this->assertSame('avatar', $beforeAddCalls[0][0]);
+        $this->assertTrue($avatar->is($beforeAddCalls[0][1]));
+
+        $this->assertCount(1, $afterAddCalls);
+        $this->assertSame('avatar', $afterAddCalls[0][0]);
+        $this->assertTrue($avatar->is($afterAddCalls[0][1]));
+    }
+
+    public function testCreateReplacesExistingSingleAttachment()
+    {
+        Model::unguard();
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        Model::reguard();
+
+        $first = $user->avatar()->create(['data' => dirname(dirname(__DIR__)) . '/fixtures/attach/avatar.png']);
+        $firstId = $first->id;
+
+        $second = $user->avatar()->create(['data' => dirname(dirname(__DIR__)) . '/fixtures/attach/avatar.png']);
+
+        $this->assertNull(File::find($firstId));
+        $this->assertNotNull(File::find($second->id));
+        $this->assertNotSame($firstId, $second->id);
+    }
 }