diff --git a/phpstan.neon b/phpstan.neon
index ded2a47bc19..8321117bd09 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -48,7 +48,12 @@ parameters:
         narrow_return: true
 
     ignoreErrors:
+        # required generics on interface array, not helpful
         -
+            message: '#Method (.*?)\:\:__construct\(\) has parameter#'
+            identifier: missingType.generics
+        -
+            message: '#(.*?) with generic interface (.*?)Interface does not specify its types#'
             identifier: missingType.generics
 
         # phpstan class instance
@@ -135,7 +140,6 @@ parameters:
 
         # internal reflection
         - '#Instead of "new ClassReflection\(\)" use ReflectionProvider service or "\(new PHPStan\\Reflection\\ClassReflection\(<desired_type>\)\)" for static reflection to work#'
-
         - '#Callable callable\(PHPStan\\Type\\Type\)\: PHPStan\\Type\\Type invoked with 2 parameters, 1 required#'
 
         # known value
@@ -181,10 +185,15 @@ parameters:
         # fixture class
         - '#Class "Rector\\Tests\\Issues\\ScopeNotAvailable\\Variable\\ArrayItemForeachValueRector" is missing @see annotation with test case class reference#'
 
+        # classes are part of *.php.inc fixture
         -
             message: '#Class (.*?) not found#'
             paths:
-                - rules-tests/*/config/*
+                - rules-tests/Arguments/Rector/ClassMethod/ReplaceArgumentDefaultValueRector/config
+                - rules-tests/TypeDeclaration/Rector/ClassMethod/AddReturnTypeDeclarationRector/config
+                - rules-tests/Renaming/Rector/Name/RenameClassRector/config
+                - rules-tests/Renaming/Rector/MethodCall/RenameMethodRector/config
+                - rules-tests/Arguments/Rector/ClassMethod/ArgumentAdderRector/config
 
         -
             message: '#Function "(function_exists|dump_node)\(\)" cannot be used/left in the code#'
@@ -334,12 +343,6 @@ parameters:
             identifier: arrayValues.list
             path: rules/CodingStyle/Application/UseImportsAdder.php
 
-        -
-            message: '#^Register "Rector\\Php74\\Rector\\Double\\RealToFloatTypeCastRector" service to "php74\.php" config set$#'
-            identifier: rector.upgradeDowngradeRegisteredInSet
-            count: 1
-            path: rules/Php74/Rector/Double/RealToFloatTypeCastRector.php
-
         -
             message: '#Offset float\|int\|string might not exist on string#'
             path: rules/Php70/EregToPcreTransformer.php
@@ -387,14 +390,11 @@ parameters:
         -
             paths:
                 - rules/TypeDeclaration/Rector/StmtsAwareInterface/IncreaseDeclareStrictTypesRector.php
-                - rules/TypeDeclaration/Rector/StmtsAwareInterface/DeclareStrictTypesRector.php
             identifier: rector.noOnlyNullReturnInRefactor
 
         -
             identifier: rector.noIntegerRefactorReturn
             paths:
-                - rules/Transform/Rector/ArrayDimFetch/ArrayDimFetchToMethodCallRector.php
-
                 # valid, as use REMOVE_NODE
                 - rules/DeadCode/Rector/Expression/RemoveDeadStmtRector.php
                 - rules/DeadCode/Rector/If_/RemoveDeadInstanceOfRector.php
diff --git a/src/PhpParser/NodeTraverser/AbstractImmutableNodeTraverser.php b/src/PhpParser/NodeTraverser/AbstractImmutableNodeTraverser.php
index 0aeea1d7918..8d9329bdbe6 100644
--- a/src/PhpParser/NodeTraverser/AbstractImmutableNodeTraverser.php
+++ b/src/PhpParser/NodeTraverser/AbstractImmutableNodeTraverser.php
@@ -10,29 +10,10 @@
 use PhpParser\Node\Stmt;
 use PhpParser\NodeTraverserInterface;
 use PhpParser\NodeVisitor;
+use Rector\Exception\ShouldNotHappenException;
 
 abstract class AbstractImmutableNodeTraverser implements NodeTraverserInterface
 {
-    /**
-     * @deprecated Use NodeVisitor::DONT_TRAVERSE_CHILDREN instead.
-     */
-    public const DONT_TRAVERSE_CHILDREN = NodeVisitor::DONT_TRAVERSE_CHILDREN;
-
-    /**
-     * @deprecated Use NodeVisitor::STOP_TRAVERSAL instead.
-     */
-    public const STOP_TRAVERSAL = NodeVisitor::STOP_TRAVERSAL;
-
-    /**
-     * @deprecated Use NodeVisitor::REMOVE_NODE instead.
-     */
-    public const REMOVE_NODE = NodeVisitor::REMOVE_NODE;
-
-    /**
-     * @deprecated Use NodeVisitor::DONT_TRAVERSE_CURRENT_AND_CHILDREN instead.
-     */
-    public const DONT_TRAVERSE_CURRENT_AND_CHILDREN = NodeVisitor::DONT_TRAVERSE_CURRENT_AND_CHILDREN;
-
     /**
      * @var list<NodeVisitor> Visitors
      */
@@ -63,15 +44,9 @@ public function addVisitor(NodeVisitor $visitor): void
         $this->visitors[] = $visitor;
     }
 
-    /**
-     * Removes an added visitor.
-     */
     public function removeVisitor(NodeVisitor $visitor): void
     {
-        $index = array_search($visitor, $this->visitors, true);
-        if ($index !== false) {
-            array_splice($this->visitors, $index, 1, []);
-        }
+        throw new ShouldNotHappenException('The immutable node traverser does not support removing visitors.');
     }
 
     /**
@@ -106,11 +81,6 @@ public function traverse(array $nodes): array
      */
     abstract public function getVisitorsForNode(Node $node): array;
 
-    /**
-     * Recursively traverse a node.
-     *
-     * @param Node $node Node to traverse.
-     */
     protected function traverseNode(Node $node): void
     {
         foreach ($node->getSubNodeNames() as $name) {
@@ -189,10 +159,7 @@ protected function traverseNode(Node $node): void
     }
 
     /**
-     * Recursively traverse array (usually of nodes).
-     *
-     * @param Node[] $nodes Array to traverse
-     *
+     * @param Node[] $nodes
      * @return array Result of traversal (may be original array or changed one)
      */
     protected function traverseArray(array $nodes): array
@@ -285,16 +252,20 @@ protected function traverseArray(array $nodes): array
 
     private function ensureReplacementReasonable(Node $old, Node $new): void
     {
-        if ($old instanceof Stmt && $new instanceof Expr) {
-            throw new LogicException(
-                sprintf('Trying to replace statement (%s) ', $old->getType()) . sprintf(
-                    'with expression (%s). Are you missing a ',
-                    $new->getType()
-                ) . 'Stmt_Expression wrapper?'
-            );
+        if ($old instanceof Stmt) {
+            if ($new instanceof Expr) {
+                throw new LogicException(
+                    sprintf('Trying to replace statement (%s) ', $old->getType()) . sprintf(
+                        'with expression (%s). Are you missing a ',
+                        $new->getType()
+                    ) . 'Stmt_Expression wrapper?'
+                );
+            }
+
+            return;
         }
 
-        if ($old instanceof Expr && $new instanceof Stmt) {
+        if ($new instanceof Stmt) {
             throw new LogicException(
                 sprintf('Trying to replace expression (%s) ', $old->getType()) . sprintf(
                     'with statement (%s)',
diff --git a/tests/PhpParser/NodeTraverser/RectorNodeTraverserTest.php b/tests/PhpParser/NodeTraverser/RectorNodeTraverserTest.php
index 25b2462dceb..428dccdb296 100644
--- a/tests/PhpParser/NodeTraverser/RectorNodeTraverserTest.php
+++ b/tests/PhpParser/NodeTraverser/RectorNodeTraverserTest.php
@@ -76,20 +76,4 @@ public function testGetVisitorsForNodeWhenAllVisitorsMatch(): void
 
         $this->assertEquals([$this->ruleUsingClassRector, $this->ruleUsingClassLikeRector], $visitors);
     }
-
-    public function testGetVisitorsForNodeUsesCachedValue(): void
-    {
-        $class = new Class_('test');
-        $this->rectorNodeTraverser->addVisitor($this->ruleUsingClassRector);
-        $this->rectorNodeTraverser->addVisitor($this->ruleUsingClassLikeRector);
-
-        $visitors = $this->rectorNodeTraverser->getVisitorsForNode($class);
-
-        $this->assertEquals([$this->ruleUsingClassRector, $this->ruleUsingClassLikeRector], $visitors);
-
-        $this->rectorNodeTraverser->removeVisitor($this->ruleUsingClassRector);
-        $visitors = $this->rectorNodeTraverser->getVisitorsForNode($class);
-
-        $this->assertEquals([$this->ruleUsingClassRector, $this->ruleUsingClassLikeRector], $visitors);
-    }
 }