diff --git a/src/CompletionProvider.php b/src/CompletionProvider.php
index e355ea2..2b08496 100644
--- a/src/CompletionProvider.php
+++ b/src/CompletionProvider.php
@@ -158,7 +158,6 @@ class CompletionProvider
                 $node->parent->memberName === $node)
          ) {
             // Find variables, parameters and use statements in the scope
-            // If there was only a $ typed, $node will be instanceof Node\Error
             $namePrefix = $node->getName() ?? '';
             foreach ($this->suggestVariablesAtNode($node, $namePrefix) as $var) {
                 $item = new CompletionItem;
@@ -334,9 +333,9 @@ class CompletionProvider
      * and at each level walk all previous siblings and their children to search for definitions
      * of that variable
      *
-     * @param Node $node
+     * @param Tolerant\Node $node
      * @param string $namePrefix Prefix to filter
-     * @return array <Node\Expr\Variable|Node\Param|Node\Expr\ClosureUse>
+     * @return array <Tolerant\Node\Expr\Variable|Tolerant\Node\Param|Tolerant\Node\Expr\ClosureUse>
      */
     private function suggestVariablesAtNode(Tolerant\Node $node, string $namePrefix = ''): array
     {
@@ -394,7 +393,7 @@ class CompletionProvider
      *
      * @param Node $node
      * @param string $namePrefix Prefix to filter
-     * @return Node\Expr\Variable[]
+     * @return Tolerant\Node\Expression\Variable[]
      */
     private function findVariableDefinitionsInNode(Tolerant\Node $node, string $namePrefix = ''): array
     {
diff --git a/src/DefinitionResolver.php b/src/DefinitionResolver.php
index e4b0021..8cec289 100644
--- a/src/DefinitionResolver.php
+++ b/src/DefinitionResolver.php
@@ -472,8 +472,8 @@ class DefinitionResolver
     /**
      * Returns the assignment or parameter node where a variable was defined
      *
-     * @param Node\Expr\Variable|Node\Expr\ClosureUse $var The variable access
-     * @return Node\Expr\Assign|Node\Expr\AssignOp|Node\Param|Node\Expr\ClosureUse|null
+     * @param Tolerant\Node\Expression\Variable | Tolerant\Node\Expression\ClosureUse $var The variable access
+     * @return Tolerant\Node\Expression\Assign | Tolerant\Node\Expression\AssignOp|Node\Param | Tolerant\Node\Expression\ClosureUse|null
      */
     public function resolveVariableToNode($var)
     {
diff --git a/src/FqnUtilities.php b/src/FqnUtilities.php
index 74e809b..a569d9b 100644
--- a/src/FqnUtilities.php
+++ b/src/FqnUtilities.php
@@ -7,24 +7,6 @@ use Microsoft\PhpParser as Tolerant;
 
 class FqnUtilities
 {
-    /**
-     * Returns the fully qualified name (FQN) that is defined by a node
-     * Returns null if the node does not declare any symbol that can be referenced by an FQN
-     *
-     * @param Node | Tolerant\Node $node
-     * @return string|null
-     */
-    public static function getDefinedFqn($node)
-    {
-        if ($node instanceof Node) {
-            return DefinitionResolver::getDefinedFqn($node);
-        } elseif ($node instanceof Tolerant\Node) {
-            return DefinitionResolver::getDefinedFqn($node);
-        }
-
-        throw new \TypeError("Unspported Node class");
-    }
-
     /**
      * Returns all possible FQNs in a type
      *
diff --git a/src/Protocol/Location.php b/src/Protocol/Location.php
index b838102..0de3c38 100644
--- a/src/Protocol/Location.php
+++ b/src/Protocol/Location.php
@@ -22,20 +22,16 @@ class Location
     /**
      * Returns the location of the node
      *
-     * @param Node | Tolerant\Node $node
+     * @param Tolerant\Node $node
      * @return self
      */
     public static function fromNode($node)
     {
-        if ($node instanceof Node) {
-            return new self($node->getAttribute('ownerDocument')->getUri(), Range::fromNode($node));
-        } else {
-            $range = Tolerant\PositionUtilities::getRangeFromPosition($node->getStart(), $node->getWidth(), $node->getFileContents());
-            return new self($node->getUri(), new Range(
-                new Position($range->start->line, $range->start->character),
-                new Position($range->end->line, $range->end->character)
-            ));
-        }
+        $range = Tolerant\PositionUtilities::getRangeFromPosition($node->getStart(), $node->getWidth(), $node->getFileContents());
+        return new self($node->getUri(), new Range(
+            new Position($range->start->line, $range->start->character),
+            new Position($range->end->line, $range->end->character)
+        ));
     }
 
     public function __construct(string $uri = null, Range $range = null)
diff --git a/src/Server/TextDocument.php b/src/Server/TextDocument.php
index 7a2b062..97a1781 100644
--- a/src/Server/TextDocument.php
+++ b/src/Server/TextDocument.php
@@ -208,7 +208,7 @@ class TextDocument
                 }
             } else {
                 // Definition with a global FQN
-                $fqn = FqnUtilities::getDefinedFqn($node);
+                $fqn = DefinitionResolver::getDefinedFqn($node);
                 // var_dump($fqn);
                 // Wait until indexing finished
                 if (!$this->index->isComplete()) {
@@ -255,7 +255,7 @@ class TextDocument
                 return [];
             }
             // Handle definition nodes
-            $fqn = FqnUtilities::getDefinedFqn($node);
+            $fqn = DefinitionResolver::getDefinedFqn($node);
             while (true) {
                 if ($fqn) {
                     $def = $this->index->getDefinition($fqn);
@@ -296,7 +296,7 @@ class TextDocument
             if ($node === null) {
                 return new Hover([]);
             }
-            $definedFqn = FqnUtilities::getDefinedFqn($node);
+            $definedFqn = DefinitionResolver::getDefinedFqn($node);
             while (true) {
                 if ($definedFqn) {
                     // Support hover for definitions
diff --git a/src/utils.php b/src/utils.php
index 4018455..ec69a5b 100644
--- a/src/utils.php
+++ b/src/utils.php
@@ -93,23 +93,6 @@ function waitForEvent(EmitterInterface $emitter, string $event): Promise
     return $p;
 }
 
-/**
- * Returns the closest node of a specific type
- *
- * @param Node $node
- * @param string $type The node class name
- * @return Node|null $type
- */
-function getClosestNode(Node $node, string $type)
-{
-    $n = $node;
-    while ($n = $n->getAttribute('parentNode')) {
-        if ($n instanceof $type) {
-            return $n;
-        }
-    }
-}
-
 /**
  * Returns the part of $b that is not overlapped by $a
  * Example:
diff --git a/tests/PhpDocumentTest.php b/tests/PhpDocumentTest.php
index eedc32b..926cb9d 100644
--- a/tests/PhpDocumentTest.php
+++ b/tests/PhpDocumentTest.php
@@ -44,11 +44,7 @@ class PhpDocumentTest extends TestCase
     }
 
     private function assertQualifiedName($node) {
-        if ($node instanceof Node) {
-            $this->assertInstanceOf(Node\Name\FullyQualified::class, $node);
-        } else {
-            $this->assertInstanceOf(Tolerant\Node\QualifiedName::class, $node);
-        }
+        $this->assertInstanceOf(Tolerant\Node\QualifiedName::class, $node);
     }
 
     public function testIsVendored()