diff --git a/composer.json b/composer.json
index 9607352..2bf19bc 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "~9.0",
-        "vimeo/psalm": "~4.22",
+        "innmind/static-analysis": "^1.2.1",
         "innmind/coding-standard": "~2.0"
     }
 }
diff --git a/psalm.xml b/psalm.xml
index 3240886..510148d 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -2,6 +2,8 @@
 <psalm
     errorLevel="1"
     resolveFromConfigFile="true"
+    findUnusedCode="false"
+    findUnusedBaselineEntry="true"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
diff --git a/src/Element/A.php b/src/Element/A.php
index 61b9a2a..43b4eb2 100644
--- a/src/Element/A.php
+++ b/src/Element/A.php
@@ -56,21 +56,25 @@ public function href(): Url
         return $this->href;
     }
 
+    #[\Override]
     public function name(): string
     {
         return 'a';
     }
 
+    #[\Override]
     public function attributes(): Map
     {
         return $this->element->attributes();
     }
 
+    #[\Override]
     public function attribute(string $name): Maybe
     {
         return $this->element->attribute($name);
     }
 
+    #[\Override]
     public function removeAttribute(string $name): self
     {
         return new self(
@@ -79,6 +83,7 @@ public function removeAttribute(string $name): self
         );
     }
 
+    #[\Override]
     public function addAttribute(Attribute $attribute): self
     {
         return new self(
@@ -87,11 +92,13 @@ public function addAttribute(Attribute $attribute): self
         );
     }
 
+    #[\Override]
     public function children(): Sequence
     {
         return $this->element->children();
     }
 
+    #[\Override]
     public function filterChild(callable $filter): self
     {
         return new self(
@@ -100,6 +107,7 @@ public function filterChild(callable $filter): self
         );
     }
 
+    #[\Override]
     public function mapChild(callable $map): self
     {
         return new self(
@@ -108,6 +116,7 @@ public function mapChild(callable $map): self
         );
     }
 
+    #[\Override]
     public function prependChild(Node $child): self
     {
         return new self(
@@ -116,6 +125,7 @@ public function prependChild(Node $child): self
         );
     }
 
+    #[\Override]
     public function appendChild(Node $child): self
     {
         return new self(
@@ -124,11 +134,13 @@ public function appendChild(Node $child): self
         );
     }
 
+    #[\Override]
     public function content(): string
     {
         return $this->element->content();
     }
 
+    #[\Override]
     public function toString(): string
     {
         return $this
diff --git a/src/Element/Base.php b/src/Element/Base.php
index 5dea444..c98c300 100644
--- a/src/Element/Base.php
+++ b/src/Element/Base.php
@@ -46,21 +46,25 @@ public function href(): Url
         return $this->href;
     }
 
+    #[\Override]
     public function name(): string
     {
         return 'base';
     }
 
+    #[\Override]
     public function attributes(): Map
     {
         return $this->element->attributes();
     }
 
+    #[\Override]
     public function attribute(string $name): Maybe
     {
         return $this->element->attribute($name);
     }
 
+    #[\Override]
     public function removeAttribute(string $name): self
     {
         return new self(
@@ -69,6 +73,7 @@ public function removeAttribute(string $name): self
         );
     }
 
+    #[\Override]
     public function addAttribute(Attribute $attribute): self
     {
         return new self(
@@ -77,11 +82,13 @@ public function addAttribute(Attribute $attribute): self
         );
     }
 
+    #[\Override]
     public function children(): Sequence
     {
         return $this->element->children();
     }
 
+    #[\Override]
     public function filterChild(callable $filter): self
     {
         return new self(
@@ -90,6 +97,7 @@ public function filterChild(callable $filter): self
         );
     }
 
+    #[\Override]
     public function mapChild(callable $map): self
     {
         return new self(
@@ -98,6 +106,7 @@ public function mapChild(callable $map): self
         );
     }
 
+    #[\Override]
     public function prependChild(Node $child): self
     {
         return new self(
@@ -106,6 +115,7 @@ public function prependChild(Node $child): self
         );
     }
 
+    #[\Override]
     public function appendChild(Node $child): self
     {
         return new self(
@@ -114,11 +124,13 @@ public function appendChild(Node $child): self
         );
     }
 
+    #[\Override]
     public function content(): string
     {
         return $this->element->content();
     }
 
+    #[\Override]
     public function toString(): string
     {
         return $this
diff --git a/src/Element/Img.php b/src/Element/Img.php
index 5fbdd69..0bf4498 100644
--- a/src/Element/Img.php
+++ b/src/Element/Img.php
@@ -46,21 +46,25 @@ public function src(): Url
         return $this->src;
     }
 
+    #[\Override]
     public function name(): string
     {
         return 'img';
     }
 
+    #[\Override]
     public function attributes(): Map
     {
         return $this->element->attributes();
     }
 
+    #[\Override]
     public function attribute(string $name): Maybe
     {
         return $this->element->attribute($name);
     }
 
+    #[\Override]
     public function removeAttribute(string $name): self
     {
         return new self(
@@ -69,6 +73,7 @@ public function removeAttribute(string $name): self
         );
     }
 
+    #[\Override]
     public function addAttribute(Attribute $attribute): self
     {
         return new self(
@@ -77,11 +82,13 @@ public function addAttribute(Attribute $attribute): self
         );
     }
 
+    #[\Override]
     public function children(): Sequence
     {
         return $this->element->children();
     }
 
+    #[\Override]
     public function filterChild(callable $filter): self
     {
         return new self(
@@ -90,6 +97,7 @@ public function filterChild(callable $filter): self
         );
     }
 
+    #[\Override]
     public function mapChild(callable $map): self
     {
         return new self(
@@ -98,6 +106,7 @@ public function mapChild(callable $map): self
         );
     }
 
+    #[\Override]
     public function prependChild(Node $child): self
     {
         return new self(
@@ -106,6 +115,7 @@ public function prependChild(Node $child): self
         );
     }
 
+    #[\Override]
     public function appendChild(Node $child): self
     {
         return new self(
@@ -114,11 +124,13 @@ public function appendChild(Node $child): self
         );
     }
 
+    #[\Override]
     public function content(): string
     {
         return $this->element->content();
     }
 
+    #[\Override]
     public function toString(): string
     {
         return $this
diff --git a/src/Element/Link.php b/src/Element/Link.php
index 0cc656e..a995361 100644
--- a/src/Element/Link.php
+++ b/src/Element/Link.php
@@ -71,21 +71,25 @@ public function relationship(): string
         return $this->relationship;
     }
 
+    #[\Override]
     public function name(): string
     {
         return 'link';
     }
 
+    #[\Override]
     public function attributes(): Map
     {
         return $this->element->attributes();
     }
 
+    #[\Override]
     public function attribute(string $name): Maybe
     {
         return $this->element->attribute($name);
     }
 
+    #[\Override]
     public function removeAttribute(string $name): self
     {
         return new self(
@@ -95,6 +99,7 @@ public function removeAttribute(string $name): self
         );
     }
 
+    #[\Override]
     public function addAttribute(Attribute $attribute): self
     {
         return new self(
@@ -104,11 +109,13 @@ public function addAttribute(Attribute $attribute): self
         );
     }
 
+    #[\Override]
     public function children(): Sequence
     {
         return $this->element->children();
     }
 
+    #[\Override]
     public function filterChild(callable $filter): self
     {
         return new self(
@@ -118,6 +125,7 @@ public function filterChild(callable $filter): self
         );
     }
 
+    #[\Override]
     public function mapChild(callable $map): self
     {
         return new self(
@@ -127,6 +135,7 @@ public function mapChild(callable $map): self
         );
     }
 
+    #[\Override]
     public function prependChild(Node $child): self
     {
         return new self(
@@ -136,6 +145,7 @@ public function prependChild(Node $child): self
         );
     }
 
+    #[\Override]
     public function appendChild(Node $child): self
     {
         return new self(
@@ -145,11 +155,13 @@ public function appendChild(Node $child): self
         );
     }
 
+    #[\Override]
     public function content(): string
     {
         return $this->element->content();
     }
 
+    #[\Override]
     public function toString(): string
     {
         return $this
diff --git a/src/Element/Script.php b/src/Element/Script.php
index 7420adc..3028a42 100644
--- a/src/Element/Script.php
+++ b/src/Element/Script.php
@@ -41,61 +41,73 @@ public static function of(Text $text, ?Set $attributes = null): self
         return new self(Element\Element::of('script', $attributes, $children));
     }
 
+    #[\Override]
     public function name(): string
     {
         return 'script';
     }
 
+    #[\Override]
     public function attributes(): Map
     {
         return $this->element->attributes();
     }
 
+    #[\Override]
     public function attribute(string $name): Maybe
     {
         return $this->element->attribute($name);
     }
 
+    #[\Override]
     public function removeAttribute(string $name): self
     {
         return new self($this->element->removeAttribute($name));
     }
 
+    #[\Override]
     public function addAttribute(Attribute $attribute): self
     {
         return new self($this->element->addAttribute($attribute));
     }
 
+    #[\Override]
     public function children(): Sequence
     {
         return $this->element->children();
     }
 
+    #[\Override]
     public function filterChild(callable $filter): self
     {
         return new self($this->element->filterChild($filter));
     }
 
+    #[\Override]
     public function mapChild(callable $map): self
     {
         return new self($this->element->mapChild($map));
     }
 
+    #[\Override]
     public function prependChild(Node $child): self
     {
         return new self($this->element->prependChild($child));
     }
 
+    #[\Override]
     public function appendChild(Node $child): self
     {
         return new self($this->element->appendChild($child));
     }
 
+    #[\Override]
     public function content(): string
     {
         return $this->element->content();
     }
 
+    #[\Override]
     public function toString(): string
     {
         return $this->element->toString();
diff --git a/src/Node/Document.php b/src/Node/Document.php
index ba18c80..3e7e29c 100644
--- a/src/Node/Document.php
+++ b/src/Node/Document.php
@@ -50,6 +50,7 @@ public function type(): Type
         return $this->type;
     }
 
+    #[\Override]
     public function children(): Sequence
     {
         return $this->children;
@@ -60,6 +61,7 @@ public function hasChildren(): bool
         return !$this->children->empty();
     }
 
+    #[\Override]
     public function filterChild(callable $filter): self
     {
         return new self(
@@ -68,6 +70,7 @@ public function filterChild(callable $filter): self
         );
     }
 
+    #[\Override]
     public function mapChild(callable $map): self
     {
         return new self(
@@ -76,6 +79,7 @@ public function mapChild(callable $map): self
         );
     }
 
+    #[\Override]
     public function prependChild(Node $child): Node
     {
         return new self(
@@ -84,6 +88,7 @@ public function prependChild(Node $child): Node
         );
     }
 
+    #[\Override]
     public function appendChild(Node $child): Node
     {
         return new self(
@@ -92,6 +97,7 @@ public function appendChild(Node $child): Node
         );
     }
 
+    #[\Override]
     public function content(): string
     {
         $children = $this->children->map(
@@ -101,13 +107,20 @@ public function content(): string
         return Str::of('')->join($children)->toString();
     }
 
+    #[\Override]
     public function toString(): string
     {
         return $this->type->toString()."\n".$this->content();
     }
 
+    #[\Override]
     public function asContent(): Content
     {
+        /**
+         * @psalm-suppress MixedArgumentTypeCoercion
+         * @psalm-suppress UndefinedInterfaceMethod
+         * @psalm-suppress MixedMethodCall
+         */
         return Content::ofLines(
             $this
                 ->children
diff --git a/src/Reader/Reader.php b/src/Reader/Reader.php
index 77e8e5e..c51a01f 100644
--- a/src/Reader/Reader.php
+++ b/src/Reader/Reader.php
@@ -26,6 +26,7 @@ private function __construct(Translator $translate)
         $this->translate = $translate;
     }
 
+    #[\Override]
     public function __invoke(Content $html): Maybe
     {
         /** @psalm-suppress ImpureMethodCall */
diff --git a/src/Translator/NodeTranslator/ATranslator.php b/src/Translator/NodeTranslator/ATranslator.php
index f73bb08..521faa4 100644
--- a/src/Translator/NodeTranslator/ATranslator.php
+++ b/src/Translator/NodeTranslator/ATranslator.php
@@ -23,6 +23,7 @@ private function __construct()
     {
     }
 
+    #[\Override]
     public function __invoke(
         \DOMNode $node,
         Translator $translate,
diff --git a/src/Translator/NodeTranslator/BaseTranslator.php b/src/Translator/NodeTranslator/BaseTranslator.php
index e1a1824..c0ef3ba 100644
--- a/src/Translator/NodeTranslator/BaseTranslator.php
+++ b/src/Translator/NodeTranslator/BaseTranslator.php
@@ -22,6 +22,7 @@ private function __construct()
     {
     }
 
+    #[\Override]
     public function __invoke(
         \DOMNode $node,
         Translator $translate,
diff --git a/src/Translator/NodeTranslator/DocumentTranslator.php b/src/Translator/NodeTranslator/DocumentTranslator.php
index fca5b2a..e6e6d48 100644
--- a/src/Translator/NodeTranslator/DocumentTranslator.php
+++ b/src/Translator/NodeTranslator/DocumentTranslator.php
@@ -24,6 +24,7 @@ private function __construct()
     {
     }
 
+    #[\Override]
     public function __invoke(
         \DOMNode $node,
         Translator $translate,
@@ -62,6 +63,7 @@ public static function of(): self
      */
     private function buildDoctype(\DOMDocumentType $type): Maybe
     {
+        /** @psalm-suppress MixedArgument */
         return Type::maybe(
             $type->name,
             $type->publicId,
@@ -79,6 +81,10 @@ private function buildChildren(
         /** @var Maybe<Sequence<Node>> */
         $children = Maybe::just(Sequence::of());
 
+        /**
+         * @psalm-suppress ImpureMethodCall
+         * @var \DOMNode $child
+         */
         foreach ($nodes as $child) {
             if ($child->nodeType === \XML_DOCUMENT_TYPE_NODE) {
                 continue;
diff --git a/src/Translator/NodeTranslator/ElementTranslator.php b/src/Translator/NodeTranslator/ElementTranslator.php
index 58bc3eb..3529502 100644
--- a/src/Translator/NodeTranslator/ElementTranslator.php
+++ b/src/Translator/NodeTranslator/ElementTranslator.php
@@ -33,6 +33,7 @@ private function __construct(
         $this->translators = $translators;
     }
 
+    #[\Override]
     public function __invoke(
         \DOMNode $node,
         Translator $translate,
diff --git a/src/Translator/NodeTranslator/ImgTranslator.php b/src/Translator/NodeTranslator/ImgTranslator.php
index d32b45d..bdb1e76 100644
--- a/src/Translator/NodeTranslator/ImgTranslator.php
+++ b/src/Translator/NodeTranslator/ImgTranslator.php
@@ -22,6 +22,7 @@ private function __construct()
     {
     }
 
+    #[\Override]
     public function __invoke(
         \DOMNode $node,
         Translator $translate,
diff --git a/src/Translator/NodeTranslator/LinkTranslator.php b/src/Translator/NodeTranslator/LinkTranslator.php
index 21eb080..82ff01a 100644
--- a/src/Translator/NodeTranslator/LinkTranslator.php
+++ b/src/Translator/NodeTranslator/LinkTranslator.php
@@ -26,6 +26,7 @@ private function __construct()
     {
     }
 
+    #[\Override]
     public function __invoke(
         \DOMNode $node,
         Translator $translate,
diff --git a/src/Translator/NodeTranslator/ScriptTranslator.php b/src/Translator/NodeTranslator/ScriptTranslator.php
index 9fceb86..8b0f95f 100644
--- a/src/Translator/NodeTranslator/ScriptTranslator.php
+++ b/src/Translator/NodeTranslator/ScriptTranslator.php
@@ -22,6 +22,7 @@ private function __construct()
     {
     }
 
+    #[\Override]
     public function __invoke(
         \DOMNode $node,
         Translator $translate,