diff --git a/src/Symfony/XmlParameterMapFactory.php b/src/Symfony/XmlParameterMapFactory.php
index 4d3d3578..14516dac 100644
--- a/src/Symfony/XmlParameterMapFactory.php
+++ b/src/Symfony/XmlParameterMapFactory.php
@@ -70,7 +70,6 @@ private function getNodeValue(SimpleXMLElement $def)
 		/** @var SimpleXMLElement $attrs */
 		$attrs = $def->attributes();
 
-		$value = null;
 		switch ((string) $attrs->type) {
 			case 'collection':
 				$value = [];
diff --git a/src/Type/Symfony/ParameterDynamicReturnTypeExtension.php b/src/Type/Symfony/ParameterDynamicReturnTypeExtension.php
index 687b0c33..618e0f6b 100644
--- a/src/Type/Symfony/ParameterDynamicReturnTypeExtension.php
+++ b/src/Type/Symfony/ParameterDynamicReturnTypeExtension.php
@@ -90,15 +90,14 @@ public function getTypeFromMethodCall(MethodReflection $methodReflection, Method
 	{
 		switch ($methodReflection->getName()) {
 			case $this->methodGet:
-				return $this->getGetTypeFromMethodCall($methodReflection, $methodCall, $scope);
+				return $this->getGetTypeFromMethodCall($methodCall, $scope);
 			case $this->methodHas:
-				return $this->getHasTypeFromMethodCall($methodReflection, $methodCall, $scope);
+				return $this->getHasTypeFromMethodCall($methodCall, $scope);
 		}
 		throw new ShouldNotHappenException();
 	}
 
 	private function getGetTypeFromMethodCall(
-		MethodReflection $methodReflection,
 		MethodCall $methodCall,
 		Scope $scope
 	): Type
@@ -204,7 +203,6 @@ private function generalizeType(Type $type): Type
 	}
 
 	private function getHasTypeFromMethodCall(
-		MethodReflection $methodReflection,
 		MethodCall $methodCall,
 		Scope $scope
 	): ?Type
diff --git a/src/Type/Symfony/ServiceDynamicReturnTypeExtension.php b/src/Type/Symfony/ServiceDynamicReturnTypeExtension.php
index 0667d30c..b9c23f91 100644
--- a/src/Type/Symfony/ServiceDynamicReturnTypeExtension.php
+++ b/src/Type/Symfony/ServiceDynamicReturnTypeExtension.php
@@ -62,15 +62,14 @@ public function getTypeFromMethodCall(MethodReflection $methodReflection, Method
 	{
 		switch ($methodReflection->getName()) {
 			case 'get':
-				return $this->getGetTypeFromMethodCall($methodReflection, $methodCall, $scope);
+				return $this->getGetTypeFromMethodCall($methodCall, $scope);
 			case 'has':
-				return $this->getHasTypeFromMethodCall($methodReflection, $methodCall, $scope);
+				return $this->getHasTypeFromMethodCall($methodCall, $scope);
 		}
 		throw new ShouldNotHappenException();
 	}
 
 	private function getGetTypeFromMethodCall(
-		MethodReflection $methodReflection,
 		MethodCall $methodCall,
 		Scope $scope
 	): ?Type
@@ -120,7 +119,6 @@ private function tryCreateParameterBag(): ?ParameterBag
 	}
 
 	private function getHasTypeFromMethodCall(
-		MethodReflection $methodReflection,
 		MethodCall $methodCall,
 		Scope $scope
 	): ?Type