diff --git a/Definition/Builder/NodeDefinition.php b/Definition/Builder/NodeDefinition.php
index 5e42b85e1..36519908c 100644
--- a/Definition/Builder/NodeDefinition.php
+++ b/Definition/Builder/NodeDefinition.php
@@ -345,8 +345,6 @@ abstract protected function createNode();
     /**
      * Set PathSeparator to use.
      *
-     * @param string $separator
-     *
      * @return $this
      */
     public function setPathSeparator(string $separator)
diff --git a/Definition/Processor.php b/Definition/Processor.php
index d321d4ec1..76f470047 100644
--- a/Definition/Processor.php
+++ b/Definition/Processor.php
@@ -70,8 +70,6 @@ public function processConfiguration(ConfigurationInterface $configuration, arra
      * @param array  $config A config array
      * @param string $key    The key to normalize
      * @param string $plural The plural form of the key if it is irregular
-     *
-     * @return array
      */
     public static function normalizeConfig(array $config, string $key, string $plural = null): array
     {
diff --git a/Tests/Definition/PrototypedArrayNodeTest.php b/Tests/Definition/PrototypedArrayNodeTest.php
index 6478bd12d..7a58ead8d 100644
--- a/Tests/Definition/PrototypedArrayNodeTest.php
+++ b/Tests/Definition/PrototypedArrayNodeTest.php
@@ -262,7 +262,6 @@ protected function getPrototypeNodeWithDefaultChildren()
      *     ]
      * ]
      *
-     *
      * @dataProvider getDataForKeyRemovedLeftValueOnly
      */
     public function testMappedAttributeKeyIsRemovedLeftValueOnly($value, $children, $expected)