diff --git a/phpstan-baseline.php b/phpstan-baseline.php
index 3a9e665be916..5bb2fa2346d8 100644
--- a/phpstan-baseline.php
+++ b/phpstan-baseline.php
@@ -1186,16 +1186,6 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Database/MigrationRunner.php',
 ];
-$ignoreErrors[] = [
-	'message' => '#^Method CodeIgniter\\\\Database\\\\ModelFactory\\:\\:injectMock\\(\\) has no return type specified\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Database/ModelFactory.php',
-];
-$ignoreErrors[] = [
-	'message' => '#^Method CodeIgniter\\\\Database\\\\ModelFactory\\:\\:reset\\(\\) has no return type specified\\.$#',
-	'count' => 1,
-	'path' => __DIR__ . '/system/Database/ModelFactory.php',
-];
 $ignoreErrors[] = [
 	'message' => '#^Construct empty\\(\\) is not allowed\\. Use more strict comparison\\.$#',
 	'count' => 1,
diff --git a/system/Database/ModelFactory.php b/system/Database/ModelFactory.php
deleted file mode 100644
index 76a30e6c1d30..000000000000
--- a/system/Database/ModelFactory.php
+++ /dev/null
@@ -1,53 +0,0 @@
-<?php
-
-/**
- * This file is part of CodeIgniter 4 framework.
- *
- * (c) CodeIgniter Foundation <admin@codeigniter.com>
- *
- * For the full copyright and license information, please view
- * the LICENSE file that was distributed with this source code.
- */
-
-namespace CodeIgniter\Database;
-
-use CodeIgniter\Config\Factories;
-
-/**
- * Returns new or shared Model instances
- *
- * @deprecated Use CodeIgniter\Config\Factories::models()
- *
- * @codeCoverageIgnore
- * @see \CodeIgniter\Database\ModelFactoryTest
- */
-class ModelFactory
-{
-    /**
-     * Creates new Model instances or returns a shared instance
-     *
-     * @return mixed
-     */
-    public static function get(string $name, bool $getShared = true, ?ConnectionInterface $connection = null)
-    {
-        return Factories::models($name, ['getShared' => $getShared], $connection);
-    }
-
-    /**
-     * Helper method for injecting mock instances while testing.
-     *
-     * @param object $instance
-     */
-    public static function injectMock(string $name, $instance)
-    {
-        Factories::injectMock('models', $name, $instance);
-    }
-
-    /**
-     * Resets the static arrays
-     */
-    public static function reset()
-    {
-        Factories::reset('models');
-    }
-}
diff --git a/tests/system/Database/ModelFactoryTest.php b/tests/system/Database/ModelFactoryTest.php
deleted file mode 100644
index d8857d5ad5cf..000000000000
--- a/tests/system/Database/ModelFactoryTest.php
+++ /dev/null
@@ -1,77 +0,0 @@
-<?php
-
-/**
- * This file is part of CodeIgniter 4 framework.
- *
- * (c) CodeIgniter Foundation <admin@codeigniter.com>
- *
- * For the full copyright and license information, please view
- * the LICENSE file that was distributed with this source code.
- */
-
-namespace CodeIgniter\Database;
-
-use CodeIgniter\Test\CIUnitTestCase;
-use CodeIgniter\Test\DatabaseTestTrait;
-use Tests\Support\Models\JobModel;
-use Tests\Support\Models\UserModel;
-
-/**
- * @group DatabaseLive
- *
- * @internal
- */
-final class ModelFactoryTest extends CIUnitTestCase
-{
-    use DatabaseTestTrait;
-
-    protected function setUp(): void
-    {
-        parent::setUp();
-
-        ModelFactory::reset();
-    }
-
-    public function testCreateSeparateInstances(): void
-    {
-        $basenameModel  = ModelFactory::get('JobModel', false);
-        $namespaceModel = ModelFactory::get(JobModel::class, false);
-
-        $this->assertInstanceOf(JobModel::class, $basenameModel);
-        $this->assertInstanceOf(JobModel::class, $namespaceModel);
-        $this->assertNotSame($basenameModel, $namespaceModel);
-    }
-
-    public function testCreateSharedInstance(): void
-    {
-        $basenameModel  = ModelFactory::get('JobModel', true);
-        $namespaceModel = ModelFactory::get(JobModel::class, true);
-
-        $this->assertSame($basenameModel, $namespaceModel);
-    }
-
-    public function testInjection(): void
-    {
-        ModelFactory::injectMock('Banana', new JobModel());
-
-        $this->assertInstanceOf(JobModel::class, ModelFactory::get('Banana'));
-    }
-
-    public function testReset(): void
-    {
-        ModelFactory::injectMock('Banana', new JobModel());
-
-        ModelFactory::reset();
-
-        $this->assertNull(ModelFactory::get('Banana'));
-    }
-
-    public function testBasenameDoesNotReturnExistingNamespaceInstance(): void
-    {
-        ModelFactory::injectMock(UserModel::class, new JobModel());
-
-        $basenameModel = ModelFactory::get('UserModel');
-
-        $this->assertInstanceOf(UserModel::class, $basenameModel);
-    }
-}
diff --git a/user_guide_src/source/changelogs/v4.5.0.rst b/user_guide_src/source/changelogs/v4.5.0.rst
index 044e0f6d8cca..1241895560cf 100644
--- a/user_guide_src/source/changelogs/v4.5.0.rst
+++ b/user_guide_src/source/changelogs/v4.5.0.rst
@@ -128,6 +128,11 @@ Filters
     - ``Router::$filterInfo``
     - ``Router::getFilter()``
 
+Database
+--------
+
+- ``ModelFactory``
+
 Model
 -----