diff --git a/lib/laminas/laminas-servicemanager/src/Test/CommonPluginManagerTrait.php b/lib/laminas/laminas-servicemanager/src/Test/CommonPluginManagerTrait.php
deleted file mode 100644
index a736cb05c..000000000
--- a/lib/laminas/laminas-servicemanager/src/Test/CommonPluginManagerTrait.php
+++ /dev/null
@@ -1,115 +0,0 @@
-<?php
-
-/**
- * @see       https://github.com/laminas/laminas-servicemanager for the canonical source repository
- * @copyright https://github.com/laminas/laminas-servicemanager/blob/master/COPYRIGHT.md
- * @license   https://github.com/laminas/laminas-servicemanager/blob/master/LICENSE.md New BSD License
- */
-
-namespace Laminas\ServiceManager\Test;
-
-use Laminas\ServiceManager\Exception\InvalidServiceException;
-use ReflectionClass;
-use ReflectionProperty;
-
-/**
- * Trait for testing plugin managers for v2-v3 compatibility
- *
- * To use this trait:
- *   * implement the `getPluginManager()` method to return your plugin manager
- *   * implement the `getV2InvalidPluginException()` method to return the class `validatePlugin()` throws under v2
- */
-trait CommonPluginManagerTrait
-{
-    public function testInstanceOfMatches()
-    {
-        $manager = $this->getPluginManager();
-        $reflection = new ReflectionProperty($manager, 'instanceOf');
-        $reflection->setAccessible(true);
-        $this->assertEquals($this->getInstanceOf(), $reflection->getValue($manager), 'instanceOf does not match');
-    }
-
-    public function testShareByDefaultAndSharedByDefault()
-    {
-        $manager = $this->getPluginManager();
-        $reflection = new ReflectionClass($manager);
-        $shareByDefault = $sharedByDefault = true;
-
-        foreach ($reflection->getProperties() as $prop) {
-            if ($prop->getName() == 'shareByDefault') {
-                $prop->setAccessible(true);
-                $shareByDefault = $prop->getValue($manager);
-            }
-            if ($prop->getName() == 'sharedByDefault') {
-                $prop->setAccessible(true);
-                $sharedByDefault = $prop->getValue($manager);
-            }
-        }
-
-        $this->assertTrue(
-            $shareByDefault == $sharedByDefault,
-            'Values of shareByDefault and sharedByDefault do not match'
-        );
-    }
-
-    public function testRegisteringInvalidElementRaisesException()
-    {
-        $this->expectException($this->getServiceNotFoundException());
-        $this->getPluginManager()->setService('test', $this);
-    }
-
-    public function testLoadingInvalidElementRaisesException()
-    {
-        $manager = $this->getPluginManager();
-        $manager->setInvokableClass('test', get_class($this));
-        $this->expectException($this->getServiceNotFoundException());
-        $manager->get('test');
-    }
-
-    /**
-     * @dataProvider aliasProvider
-     */
-    public function testPluginAliasesResolve($alias, $expected)
-    {
-        $this->assertInstanceOf($expected, $this->getPluginManager()->get($alias), "Alias '$alias' does not resolve'");
-    }
-
-    public function aliasProvider()
-    {
-        $manager = $this->getPluginManager();
-        $reflection = new ReflectionProperty($manager, 'aliases');
-        $reflection->setAccessible(true);
-        $data = [];
-        foreach ($reflection->getValue($manager) as $alias => $expected) {
-            $data[] = [$alias, $expected];
-        }
-        return $data;
-    }
-
-    protected function getServiceNotFoundException()
-    {
-        $manager = $this->getPluginManager();
-        if (method_exists($manager, 'configure')) {
-            return InvalidServiceException::class;
-        }
-        return $this->getV2InvalidPluginException();
-    }
-
-    /**
-     * Returns the plugin manager to test
-     * @return \Laminas\ServiceManager\AbstractPluginManager
-     */
-    abstract protected function getPluginManager();
-
-    /**
-     * Returns the FQCN of the exception thrown under v2 by `validatePlugin()`
-     * @return mixed
-     */
-    abstract protected function getV2InvalidPluginException();
-
-    /**
-     * Returns the value the instanceOf property has been set to
-     * @return string
-     */
-    abstract protected function getInstanceOf();
-}