diff --git a/src/Console/Cache.php b/src/Console/Cache.php
index e2a383098..a13e003aa 100644
--- a/src/Console/Cache.php
+++ b/src/Console/Cache.php
@@ -4,6 +4,7 @@ namespace Friendica\Console;
 
 use Asika\SimpleConsole\CommandArgsException;
 use Friendica\App;
+use Friendica\Core\Cache\Cache as CacheClass;
 use Friendica\Core\Cache\ICache;
 use RuntimeException;
 
@@ -153,7 +154,7 @@ HELP;
 		if (count($this->args) >= 3) {
 			$key      = $this->getArgument(1);
 			$value    = $this->getArgument(2);
-			$duration = intval($this->getArgument(3, ICache::FIVE_MINUTES));
+			$duration = intval($this->getArgument(3, CacheClass::FIVE_MINUTES));
 
 			if (is_array($this->cache->get($key))) {
 				throw new RuntimeException("$key is an array and can't be set using this command.");
diff --git a/src/Core/Cache/IMemoryCache.php b/src/Core/Cache/IMemoryCache.php
index 939e54574..339f72d04 100644
--- a/src/Core/Cache/IMemoryCache.php
+++ b/src/Core/Cache/IMemoryCache.php
@@ -19,7 +19,7 @@ interface IMemoryCache extends ICache
 	 * @param int    $ttl      The cache lifespan, must be one of the Cache constants
 	 * @return bool
 	 */
-	public function add($key, $value, $ttl = ICache::FIVE_MINUTES);
+	public function add($key, $value, $ttl = Cache::FIVE_MINUTES);
 
 	/**
 	 * Compares if the old value is set and sets the new value
@@ -31,7 +31,7 @@ interface IMemoryCache extends ICache
 	 *
 	 * @return bool
 	 */
-	public function compareSet($key, $oldValue, $newValue, $ttl = ICache::FIVE_MINUTES);
+	public function compareSet($key, $oldValue, $newValue, $ttl = Cache::FIVE_MINUTES);
 
 	/**
 	 * Compares if the old value is set and removes it
diff --git a/src/Core/Lock.php b/src/Core/Lock.php
index 06313fdd2..ef62bc8f7 100644
--- a/src/Core/Lock.php
+++ b/src/Core/Lock.php
@@ -8,7 +8,7 @@
 namespace Friendica\Core;
 
 use Friendica\BaseObject;
-use Friendica\Core\Cache\ICache;
+use Friendica\Core\Cache\Cache;
 use Friendica\Core\Lock\ILock;
 
 /**
@@ -26,7 +26,7 @@ class Lock extends BaseObject
 	 * @return boolean Was the lock successful?
 	 * @throws \Exception
 	 */
-	public static function acquire($key, $timeout = 120, $ttl = ICache::FIVE_MINUTES)
+	public static function acquire($key, $timeout = 120, $ttl = Cache::FIVE_MINUTES)
 	{
 		return self::getClass(ILock::class)->acquireLock($key, $timeout, $ttl);
 	}
diff --git a/src/Core/Lock/ILock.php b/src/Core/Lock/ILock.php
index 3c56369eb..0b91daeb5 100644
--- a/src/Core/Lock/ILock.php
+++ b/src/Core/Lock/ILock.php
@@ -30,7 +30,7 @@ interface ILock
 	 *
 	 * @return boolean Was the lock successful?
 	 */
-	public function acquireLock($key, $timeout = 120, $ttl = Cache\ICache::FIVE_MINUTES);
+	public function acquireLock($key, $timeout = 120, $ttl = Cache\Cache::FIVE_MINUTES);
 
 	/**
 	 * Releases a lock if it was set by us