diff --git a/src/Mutex/AbstractLockMutex.php b/src/Mutex/AbstractLockMutex.php
index e663d2c..5d4203b 100644
--- a/src/Mutex/AbstractLockMutex.php
+++ b/src/Mutex/AbstractLockMutex.php
@@ -7,9 +7,6 @@
 use Malkusch\Lock\Exception\LockAcquireException;
 use Malkusch\Lock\Exception\LockReleaseException;
 
-/**
- * @internal
- */
 abstract class AbstractLockMutex extends AbstractMutex
 {
     /**
diff --git a/src/Util/Loop.php b/src/Util/Loop.php
index 5a2cca4..20cc182 100644
--- a/src/Util/Loop.php
+++ b/src/Util/Loop.php
@@ -8,8 +8,6 @@
 
 /**
  * Repeats executing a code until it was successful.
- *
- * @internal
  */
 class Loop
 {