diff --git a/src/Composer/Plugin/Capability/Capability.php b/src/Composer/Plugin/Capability/Capability.php
index 335d7344c..b12410608 100644
--- a/src/Composer/Plugin/Capability/Capability.php
+++ b/src/Composer/Plugin/Capability/Capability.php
@@ -17,7 +17,6 @@ namespace Composer\Plugin\Capability;
  * Every new Capability which is added to the Plugin API must implement this interface.
  *
  * @api
- * @since Plugin API 1.1
  */
 interface Capability
 {
diff --git a/src/Composer/Plugin/Capable.php b/src/Composer/Plugin/Capable.php
index 1dc8f5bad..bcc4c0934 100644
--- a/src/Composer/Plugin/Capable.php
+++ b/src/Composer/Plugin/Capable.php
@@ -18,7 +18,6 @@ namespace Composer\Plugin;
  * declared Plugin class implementing this interface.
  *
  * @api
- * @since Plugin API 1.1
  */
 interface Capable
 {