diff --git a/lib/kernel.php b/lib/kernel.php
index 33ae1465496a..5dfb2c3c284e 100644
--- a/lib/kernel.php
+++ b/lib/kernel.php
@@ -576,7 +576,6 @@ public static function init() {
 
 		self::setRequiredIniValues();
 		self::handleAuthHeaders();
-		self::registerAutoloaderCache();
 
 		OC_Util::isSetLocaleWorking();
 
@@ -823,24 +822,6 @@ public static function registerShareHooks() {
 		}
 	}
 
-	protected static function registerAutoloaderCache() {
-		// The class loader takes an optional low-latency cache, which MUST be
-		// namespaced. The instanceid is used for namespacing, but might be
-		// unavailable at this point. Furthermore, it might not be possible to
-		// generate an instanceid via \OC_Util::getInstanceId() because the
-		// config file may not be writable. As such, we only register a class
-		// loader cache if instanceid is available without trying to create one.
-		$instanceId = \OC::$server->getSystemConfig()->getValue('instanceid', null);
-		if ($instanceId) {
-			try {
-				$memcacheFactory = \OC::$server->getMemCacheFactory();
-				'@phan-var \OC\MemCache\Factory $memcacheFactory';
-				self::$loader->setMemoryCache($memcacheFactory->createLocal('Autoloader'));
-			} catch (\Exception $ex) {
-			}
-		}
-	}
-
 	/**
 	 * Handle the request
 	 */
diff --git a/lib/private/Autoloader.php b/lib/private/Autoloader.php
index 33bd5cfc561a..3d9680e2daa7 100644
--- a/lib/private/Autoloader.php
+++ b/lib/private/Autoloader.php
@@ -37,13 +37,6 @@ class Autoloader {
 	/** @var array */
 	private $validRoots = [];
 
-	/**
-	 * Optional low-latency memory cache for class to path mapping.
-	 *
-	 * @var \OC\Memcache\Cache
-	 */
-	protected $memoryCache;
-
 	/**
 	 * Autoloader constructor.
 	 *
@@ -120,10 +113,6 @@ protected function isValidPath($fullPath) {
 	 */
 	public function load($class) {
 		$pathsToRequire = null;
-		if ($this->memoryCache) {
-			$pathsToRequire = $this->memoryCache->get($class);
-		}
-
 		if (\class_exists($class, false)) {
 			return false;
 		}
@@ -137,10 +126,6 @@ public function load($class) {
 					$pathsToRequire[] = $fullPath;
 				}
 			}
-
-			if ($this->memoryCache) {
-				$this->memoryCache->set($class, $pathsToRequire, 60); // cache 60 sec
-			}
 		}
 
 		foreach ($pathsToRequire as $fullPath) {
@@ -149,13 +134,4 @@ public function load($class) {
 
 		return false;
 	}
-
-	/**
-	 * Sets the optional low-latency cache for class to path mapping.
-	 *
-	 * @param \OC\Memcache\Cache $memoryCache Instance of memory cache.
-	 */
-	public function setMemoryCache(\OC\Memcache\Cache $memoryCache = null) {
-		$this->memoryCache = $memoryCache;
-	}
 }