diff --git a/.github/workflows/code_analysis.yaml b/.github/workflows/code_analysis.yaml
index 9e9db1ff..b8a8e436 100644
--- a/.github/workflows/code_analysis.yaml
+++ b/.github/workflows/code_analysis.yaml
@@ -18,7 +18,11 @@ jobs:
                 actions:
                     -
                         name: 'Active Classes'
-                        run: vendor/bin/class-leak check config bin src rules --skip-type="Rector\PhpSpecToPHPUnit\Rector\Class_\ImplicitLetInitializationRector" --skip-type="Rector\PhpSpecToPHPUnit\Rector\Class_\LearnFromPHPUnitReportRector"
+                        run: vendor/bin/class-leak check config bin src rules --skip-type="Rector\PhpSpecToPHPUnit\Rector\Class_\ImplicitLetInitializationRector"
+
+                    -
+                        name: "Composer Analyser"
+                        run: vendor/bin/composer-dependency-analyser
 
         name: ${{ matrix.actions.name }}
         runs-on: ubuntu-latest
diff --git a/composer-dependency-analyser.php b/composer-dependency-analyser.php
new file mode 100644
index 00000000..8f8085bd
--- /dev/null
+++ b/composer-dependency-analyser.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+use ShipMonk\ComposerDependencyAnalyser\Config\Configuration;
+use ShipMonk\ComposerDependencyAnalyser\Config\ErrorType;
+
+return (new Configuration())
+    ->ignoreErrorsOnPackage('rector/rector', [ErrorType::DEV_DEPENDENCY_IN_PROD]);
diff --git a/composer.json b/composer.json
index 9b74bc36..2a71fd3f 100644
--- a/composer.json
+++ b/composer.json
@@ -10,20 +10,19 @@
     "require": {
         "php": ">=8.2",
         "symfony/finder": "^7.0",
-        "tomasvotruba/phpunit-json-result-printer": "^0.1.1",
-        "webmozart/assert": "^1.11",
         "nette/utils": "^4.0",
-        "symfony/console": "^7.1"
+        "symfony/console": "^7.1",
+        "nikic/php-parser": "^5.4",
+        "phpstan/phpstan": "^2.1"
     },
     "require-dev": {
         "rector/rector": "^2.0",
-        "nikic/php-parser": "^5.4",
         "phpunit/phpunit": "^11.5",
-        "phpstan/phpstan": "^2.1",
         "phpecs/phpecs": "^2.0",
         "phpstan/extension-installer": "^1.3",
         "tomasvotruba/class-leak": "^2.0",
-        "tracy/tracy": "^2.10"
+        "tracy/tracy": "^2.10",
+        "shipmonk/composer-dependency-analyser": "^1.8"
     },
     "autoload": {
         "psr-4": {
diff --git a/rector.php b/rector.php
index e4948dd2..a4b244dc 100644
--- a/rector.php
+++ b/rector.php
@@ -9,7 +9,11 @@
     ->withImportNames()
     ->withPaths([__DIR__ . '/config', __DIR__ . '/src', __DIR__ . '/rules', __DIR__ . '/rules-tests'])
     ->withSkip([
-        StringClassNameToClassConstantRector::class => [__DIR__ . '/src/DocFactory.php'],
+        StringClassNameToClassConstantRector::class => [
+            __DIR__ . '/src/DocFactory.php',
+            __DIR__ . '/src/NodeFactory/LetMockNodeFactory.php',
+            __DIR__ . '/rules/Rector/Class_/PhpSpecClassToPHPUnitClassRector.php',
+        ],
     ])
     ->withPreparedSets(
         instanceOf: true,
diff --git a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/Fixture/more_than_once.php.inc b/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/Fixture/more_than_once.php.inc
deleted file mode 100644
index ca0b7892..00000000
--- a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/Fixture/more_than_once.php.inc
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-namespace Rector\PhpSpecToPHPUnit\Tests\Rector\Class_\LearnFromPHPUnitReportRector\Fixture;
-
-use PHPUnit\Framework\TestCase;
-
-final class MoreThanOnce extends TestCase
-{
-    public function testSomething()
-    {
-        $this->someMock->expect($this->once())->method('someMethod');
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\PhpSpecToPHPUnit\Tests\Rector\Class_\LearnFromPHPUnitReportRector\Fixture;
-
-use PHPUnit\Framework\TestCase;
-
-final class MoreThanOnce extends TestCase
-{
-    public function testSomething()
-    {
-        $this->someMock->expect($this->atLeastOnce())->method('someMethod');
-    }
-}
-
-?>
diff --git a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/Fixture/not_at_all.php.inc b/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/Fixture/not_at_all.php.inc
deleted file mode 100644
index 557be3ac..00000000
--- a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/Fixture/not_at_all.php.inc
+++ /dev/null
@@ -1,30 +0,0 @@
-<?php
-
-namespace Rector\PhpSpecToPHPUnit\Tests\Rector\Class_\LearnFromPHPUnitReportRector\Fixture;
-
-use PHPUnit\Framework\TestCase;
-
-final class NotAtAll extends TestCase
-{
-    public function testAnything()
-    {
-        $this->someMock->expect($this->once())->method('callMe');
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\PhpSpecToPHPUnit\Tests\Rector\Class_\LearnFromPHPUnitReportRector\Fixture;
-
-use PHPUnit\Framework\TestCase;
-
-final class NotAtAll extends TestCase
-{
-    public function testAnything()
-    {
-    }
-}
-
-?>
diff --git a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/LearnFromPHPUintReportRectorTest.php b/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/LearnFromPHPUintReportRectorTest.php
deleted file mode 100644
index a86a1d46..00000000
--- a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/LearnFromPHPUintReportRectorTest.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\PhpSpecToPHPUnit\Tests\Rector\Class_\LearnFromPHPUnitReportRector;
-
-use Iterator;
-use PHPUnit\Framework\Attributes\DataProvider;
-use Rector\Testing\PHPUnit\AbstractRectorTestCase;
-
-final class LearnFromPHPUintReportRectorTest extends AbstractRectorTestCase
-{
-    #[DataProvider('provideData')]
-    public function test(string $filePath): void
-    {
-        $this->doTestFile($filePath);
-    }
-
-    public static function provideData(): Iterator
-    {
-        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
-    }
-
-    public function provideConfigFilePath(): string
-    {
-        return __DIR__ . '/config/configured_rule.php';
-    }
-}
diff --git a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/Source/phpunit-report.txt b/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/Source/phpunit-report.txt
deleted file mode 100644
index 29b9d1ed..00000000
--- a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/Source/phpunit-report.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-There were 6 failures:
-
-1) Tests\App\Core\SomeTest::testSomething
-App\Core\SomeEntity::isCreated(): bool .
-was not expected to be called more than once
-/var/www/project/src/SomeTest.php:61
-/var/www/project/src/SomeTest.php:39
-/var/www/project/spec-tests/App/SomeTest.php:84
-phpvfscomposer:///var/www/project/vendor/phpunit/phpunit/phpunit:106
-
-2) Rector\PhpSpecToPHPUnit\Tests\Rector\Class_\LearnFromPHPUnitReportRector\Fixture\NotAtAll::testAnything
-App\Core\SomeEntity::callMe(): bool was not expected to be called more than once.
-
-/var/www/project/src/SomeTest.php:61
-/var/www/project/src/SomeTest.php:39
-/var/www/project/spec-tests/App/SomeTest.php:98
-phpvfscomposer:///var/www/project/vendor/phpunit/phpunit/phpunit:106
-
-3) Rector\PhpSpecToPHPUnit\Tests\Rector\Class_\LearnFromPHPUnitReportRector\Fixture\MoreThanOnce::testSomething
-Expectation failed for method name is "someMethod" when invoked 1 time(s).
-Method was expected to be called 1 times, actually called 0 times.
-
-phpvfscomposer:///var/www/project/vendor/phpunit/phpunit/phpunit:106
diff --git a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/config/configured_rule.php b/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/config/configured_rule.php
deleted file mode 100644
index 668600d4..00000000
--- a/rules-tests/Rector/Class_/LearnFromPHPUnitReportRector/config/configured_rule.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use Rector\Config\RectorConfig;
-use Rector\PhpSpecToPHPUnit\Rector\Class_\LearnFromPHPUnitReportRector;
-
-return static function (RectorConfig $rectorConfig): void {
-    $rectorConfig->ruleWithConfiguration(LearnFromPHPUnitReportRector::class, [
-        __DIR__ . '/../Source/phpunit-report.txt',
-    ]);
-};
diff --git a/rules/Rector/Class_/LearnFromPHPUnitReportRector.php b/rules/Rector/Class_/LearnFromPHPUnitReportRector.php
deleted file mode 100644
index 03d2e514..00000000
--- a/rules/Rector/Class_/LearnFromPHPUnitReportRector.php
+++ /dev/null
@@ -1,176 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\PhpSpecToPHPUnit\Rector\Class_;
-
-use PhpParser\Node;
-use PhpParser\Node\Expr\MethodCall;
-use PhpParser\Node\Identifier;
-use PhpParser\Node\Param;
-use PhpParser\Node\Stmt;
-use PhpParser\Node\Stmt\Class_;
-use PhpParser\Node\Stmt\ClassMethod;
-use Rector\Contract\Rector\ConfigurableRectorInterface;
-use Rector\Exception\ShouldNotHappenException;
-use Rector\PhpSpecToPHPUnit\Enum\PHPUnitMethodName;
-use Rector\PhpSpecToPHPUnit\NodeFinder\MethodCallFinder;
-use Rector\PhpSpecToPHPUnit\PHPUnit\PHPUnitResultAnalyzer;
-use Rector\PhpSpecToPHPUnit\ValueObject\PHPUnit\MoreThanOnceTestError;
-use Rector\PhpSpecToPHPUnit\ValueObject\PHPUnit\NoCallTestError;
-use Rector\Rector\AbstractRector;
-use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
-use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
-use Webmozart\Assert\Assert;
-
-/**
- * @see \Rector\PhpSpecToPHPUnit\Tests\Rector\Class_\LearnFromPHPUnitReportRector\LearnFromPHPUnitReportRectorTest
- */
-final class LearnFromPHPUnitReportRector extends AbstractRector implements ConfigurableRectorInterface
-{
-    private ?string $phpunitReportFilePath = null;
-
-    public function __construct(
-        private PHPUnitResultAnalyzer $phpUnitResultAnalyzer,
-    ) {
-    }
-
-    /**
-     * @return array<class-string<Node>>
-     */
-    public function getNodeTypes(): array
-    {
-        return [Class_::class];
-    }
-
-    public function getRuleDefinition(): RuleDefinition
-    {
-        return new RuleDefinition(
-            'Update $this->once() and $this->atLeastOnce() based on a PHPUint error report file contents',
-            [
-                new CodeSample(
-                    <<<'CODE_SAMPLE'
-use PHPUnit\Framework\TestCase;
-
-final class SomeTest extends TestCase
-{
-    public function testSomething()
-    {
-        $this->someMock->expect($this->once())->method('someMethod');
-    }
-}
-CODE_SAMPLE
-                    ,
-                    <<<'CODE_SAMPLE'
-use PHPUnit\Framework\TestCase;
-
-final class SomeTest extends TestCase
-{
-    public function testSomething()
-    {
-        $this->someMock->expect($this->atLeastOnce())->method('someMethod');
-    }
-}
-CODE_SAMPLE
-                ),
-            ]
-        );
-    }
-
-    /**
-     * @param Class_ $node
-     */
-    public function refactor(Node $node): Node
-    {
-        if ($this->phpunitReportFilePath === null) {
-            throw new ShouldNotHappenException();
-        }
-
-        // 1. first
-        $moreThanOnceTestErrors = $this->phpUnitResultAnalyzer->resolveMoreThanOnceTestErrors(
-            $this->phpunitReportFilePath
-        );
-
-        foreach ($moreThanOnceTestErrors as $moreThanOnceTestError) {
-            $testClassMethod = $this->matchTestClassMethod($node, $moreThanOnceTestError);
-            if (! $testClassMethod instanceof ClassMethod) {
-                continue;
-            }
-
-            foreach ((array) $testClassMethod->stmts as $key => $classMethodStmt) {
-                if (! MethodCallFinder::hasMethodMockByName(
-                    $classMethodStmt,
-                    $moreThanOnceTestError->getMockedMethod()
-                )) {
-                    continue;
-                }
-
-                unset($testClassMethod->stmts[$key]);
-            }
-        }
-
-        // 2. second
-        $noCallsTestErrors = $this->phpUnitResultAnalyzer->resolveNoCallTestErrors($this->phpunitReportFilePath);
-
-        foreach ($noCallsTestErrors as $noCallTestError) {
-            $testClassMethod = $this->matchTestClassMethod($node, $noCallTestError);
-            if (! $testClassMethod instanceof ClassMethod) {
-                continue;
-            }
-
-            foreach ((array) $testClassMethod->stmts as $classMethodStmt) {
-                if (! MethodCallFinder::hasMethodMockByName($classMethodStmt, $noCallTestError->getMockedMethod())) {
-                    continue;
-                }
-
-                // replace $this->once() with $this->atLeastOnce()
-                $this->replaceThisOnceWithAtLeastOnce($classMethodStmt);
-            }
-        }
-
-        return $node;
-    }
-
-    /**
-     * @param string[] $configuration
-     */
-    public function configure(array $configuration): void
-    {
-        // set path to file report
-        Assert::count($configuration, 1);
-        $phpunitReportFilePath = $configuration[0];
-
-        Assert::string($phpunitReportFilePath);
-        Assert::fileExists($phpunitReportFilePath);
-
-        $this->phpunitReportFilePath = $phpunitReportFilePath;
-    }
-
-    private function matchTestClassMethod(
-        Class_ $class,
-        NoCallTestError|MoreThanOnceTestError $noCallsTestError
-    ): ?ClassMethod {
-        // are we in the right test class?
-        if (! $this->isName($class, $noCallsTestError->getTestClass())) {
-            return null;
-        }
-
-        return $class->getMethod($noCallsTestError->getTestClassMethod());
-    }
-
-    private function replaceThisOnceWithAtLeastOnce(Stmt $stmt): void
-    {
-        $this->traverseNodesWithCallable($stmt, function (Node $node): ?Node {
-            if (! $node instanceof MethodCall) {
-                return null;
-            }
-
-            if (! $this->isName($node->name, PHPUnitMethodName::ONCE)) {
-                return null;
-            }
-
-            $node->name = new Identifier(PHPUnitMethodName::AT_LEAST_ONCE);
-            return $node;
-        });
-    }
-}
diff --git a/rules/Rector/Class_/PhpSpecClassToPHPUnitClassRector.php b/rules/Rector/Class_/PhpSpecClassToPHPUnitClassRector.php
index 1ce7d150..342f1464 100644
--- a/rules/Rector/Class_/PhpSpecClassToPHPUnitClassRector.php
+++ b/rules/Rector/Class_/PhpSpecClassToPHPUnitClassRector.php
@@ -8,7 +8,6 @@
 use PhpParser\Node\Identifier;
 use PhpParser\Node\Name\FullyQualified;
 use PhpParser\Node\Stmt\Class_;
-use PHPUnit\Framework\TestCase;
 use Rector\PhpSpecToPHPUnit\Naming\PhpSpecRenaming;
 use Rector\Privatization\NodeManipulator\VisibilityManipulator;
 use Rector\Rector\AbstractRector;
@@ -49,7 +48,7 @@ public function refactor(Node $node): ?Node
         // rename class and parent class
         $phpunitTestClassName = $this->phpSpecRenaming->createPHPUnitTestClassName($node);
         $node->name = new Identifier($phpunitTestClassName);
-        $node->extends = new FullyQualified(TestCase::class);
+        $node->extends = new FullyQualified('PHPUnit\Framework\TestCase');
 
         $this->visibilityManipulator->makeFinal($node);
 
diff --git a/rules/Rector/Class_/PromisesToAssertsRector.php b/rules/Rector/Class_/PromisesToAssertsRector.php
index ceb701cc..a982ea1f 100644
--- a/rules/Rector/Class_/PromisesToAssertsRector.php
+++ b/rules/Rector/Class_/PromisesToAssertsRector.php
@@ -4,8 +4,6 @@
 
 namespace Rector\PhpSpecToPHPUnit\Rector\Class_;
 
-use PhpParser\Node\Stmt\ClassMethod;
-use PhpParser\Node\Identifier;
 use PhpParser\Node;
 use PhpParser\Node\Expr;
 use PhpParser\Node\Expr\Assign;
@@ -13,7 +11,9 @@
 use PhpParser\Node\Expr\MethodCall;
 use PhpParser\Node\Expr\PropertyFetch;
 use PhpParser\Node\Expr\Variable;
+use PhpParser\Node\Identifier;
 use PhpParser\Node\Stmt\Class_;
+use PhpParser\Node\Stmt\ClassMethod;
 use PhpParser\Node\Stmt\Property;
 use PhpParser\NodeFinder;
 use Rector\PhpSpecToPHPUnit\Enum\PhpSpecMethodName;
diff --git a/src/Exception/ShouldNotHappenException.php b/src/Exception/ShouldNotHappenException.php
new file mode 100644
index 00000000..83122917
--- /dev/null
+++ b/src/Exception/ShouldNotHappenException.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\PhpSpecToPHPUnit\Exception;
+
+use Exception;
+
+final class ShouldNotHappenException extends Exception
+{
+}
diff --git a/src/Naming/PhpSpecRenaming.php b/src/Naming/PhpSpecRenaming.php
index a4c19d08..dcaad6c5 100644
--- a/src/Naming/PhpSpecRenaming.php
+++ b/src/Naming/PhpSpecRenaming.php
@@ -9,8 +9,8 @@
 use PHPStan\Analyser\Scope;
 use PHPStan\Reflection\ClassReflection;
 use PHPStan\Type\ObjectType;
-use Rector\Exception\ShouldNotHappenException;
 use Rector\NodeNameResolver\NodeNameResolver;
+use Rector\PhpSpecToPHPUnit\Exception\ShouldNotHappenException;
 use Rector\PhpSpecToPHPUnit\NodeAnalyzer\LetClassMethodAnalyzer;
 use Rector\PhpSpecToPHPUnit\StringUtils;
 use Rector\PhpSpecToPHPUnit\ValueObject\TestedObject;
diff --git a/src/NodeFactory/ExpectExceptionMethodCallFactory.php b/src/NodeFactory/ExpectExceptionMethodCallFactory.php
index 166cbb4d..3fe297b8 100644
--- a/src/NodeFactory/ExpectExceptionMethodCallFactory.php
+++ b/src/NodeFactory/ExpectExceptionMethodCallFactory.php
@@ -14,7 +14,6 @@
 use PhpParser\Node\Name\FullyQualified;
 use PhpParser\Node\Stmt\Class_;
 use PhpParser\Node\Stmt\Expression;
-use Rector\Exception\ShouldNotHappenException;
 use Rector\PhpSpecToPHPUnit\Enum\PHPUnitMethodName;
 use Rector\PhpSpecToPHPUnit\ValueObject\DuringAndRelatedMethodCall;
 use Rector\PhpSpecToPHPUnit\ValueObject\TestedObject;
@@ -76,7 +75,7 @@ private function createThisExpectException(Expr $expr): MethodCall
     {
         if ($expr instanceof New_) {
             if ($expr->class instanceof Class_) {
-                throw new ShouldNotHappenException();
+                throw new \Rector\PhpSpecToPHPUnit\Exception\ShouldNotHappenException();
             }
 
             $arg = new Arg(new ClassConstFetch($expr->class, 'class'));
diff --git a/src/NodeFactory/LetMockNodeFactory.php b/src/NodeFactory/LetMockNodeFactory.php
index e37709eb..f26a67e2 100644
--- a/src/NodeFactory/LetMockNodeFactory.php
+++ b/src/NodeFactory/LetMockNodeFactory.php
@@ -15,8 +15,6 @@
 use PhpParser\Node\Stmt\Expression;
 use PhpParser\Node\Stmt\Property;
 use PHPStan\Type\ObjectType;
-use PHPUnit\Framework\MockObject\MockObject;
-use Rector\Exception\ShouldNotHappenException;
 use Rector\NodeNameResolver\NodeNameResolver;
 use Rector\PhpParser\Node\NodeFactory;
 use Rector\PhpSpecToPHPUnit\DocFactory;
@@ -43,7 +41,7 @@ public function createMockProperties(array $params): array
             $mockProperty = $this->crateMockProperty($parameterName);
 
             if (! $param->type instanceof Name) {
-                throw new ShouldNotHappenException();
+                throw new \Rector\PhpSpecToPHPUnit\Exception\ShouldNotHappenException();
             }
 
             $mockedClass = $param->type->toString();
@@ -69,7 +67,7 @@ public function createMockPropertyAssignExpressions(array $params): array
         foreach ($params as $param) {
             $parameterName = $this->createMockVariableName($param);
             if (! $param->type instanceof Name) {
-                throw new ShouldNotHappenException();
+                throw new \Rector\PhpSpecToPHPUnit\Exception\ShouldNotHappenException();
             }
 
             $mockPropertyFetch = new PropertyFetch(new Variable('this'), new Identifier($parameterName));
@@ -88,8 +86,7 @@ public function createMockPropertyAssignExpressions(array $params): array
 
     private function crateMockProperty(string $parameterName): Property
     {
-        $objectType = new ObjectType(MockObject::class);
-
+        $objectType = new ObjectType('PHPUnit\Framework\MockObject\MockObject');
         return $this->nodeFactory->createPrivatePropertyFromNameAndType($parameterName, $objectType);
     }
 
diff --git a/src/PHPUnit/PHPUnitResultAnalyzer.php b/src/PHPUnit/PHPUnitResultAnalyzer.php
deleted file mode 100644
index 6df3fc17..00000000
--- a/src/PHPUnit/PHPUnitResultAnalyzer.php
+++ /dev/null
@@ -1,127 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\PhpSpecToPHPUnit\PHPUnit;
-
-use Nette\Utils\FileSystem;
-use Nette\Utils\Strings;
-use Rector\PhpSpecToPHPUnit\ValueObject\PHPUnit\MoreThanOnceTestError;
-use Rector\PhpSpecToPHPUnit\ValueObject\PHPUnit\NoCallTestError;
-use Rector\PhpSpecToPHPUnit\ValueObject\PHPUnit\TestError;
-
-final class PHPUnitResultAnalyzer
-{
-    /**
-     * @var MoreThanOnceTestError[]
-     */
-    private array $moreThanOnceTestErrors = [];
-
-    /**
-     * @var NoCallTestError[]
-     */
-    private array $noCallTestErrors = [];
-
-    /**
-     * @return MoreThanOnceTestError[]
-     */
-    public function resolveMoreThanOnceTestErrors(string $phpunitResultFilePath): array
-    {
-        if ($this->moreThanOnceTestErrors !== []) {
-            return $this->moreThanOnceTestErrors;
-        }
-
-        $testErrors = $this->matchTestErrors($phpunitResultFilePath);
-
-        $this->moreThanOnceTestErrors = $this->matchMoreThanOnceTestErrors($testErrors);
-        return $this->moreThanOnceTestErrors;
-    }
-
-    /**
-     * @return NoCallTestError[]
-     */
-    public function resolveNoCallTestErrors(string $phpunitResultFilePath): array
-    {
-        $testErrors = $this->matchTestErrors($phpunitResultFilePath);
-
-        if ($this->noCallTestErrors !== []) {
-            return $this->noCallTestErrors;
-        }
-
-        $this->noCallTestErrors = $this->matchNoCallTestErrors($testErrors);
-        return $this->noCallTestErrors;
-    }
-
-    /**
-     * @return TestError[]
-     */
-    private function matchTestErrors(string $phpunitResultFilePath): array
-    {
-        $phpunitResultFileContents = FileSystem::read($phpunitResultFilePath);
-
-        $testErrors = [];
-
-        $matches = Strings::matchAll($phpunitResultFileContents, '#^(\d+\) .*?):\d+\n#ms');
-        foreach ($matches as $match) {
-            $testErrors[] = new TestError($match[1]);
-        }
-
-        return $testErrors;
-    }
-
-    /**
-     * @param TestError[] $testErrors
-     * @return MoreThanOnceTestError[]
-     */
-    private function matchMoreThanOnceTestErrors(array $testErrors): array
-    {
-        $moreThanOnceTestErrors = [];
-
-        foreach ($testErrors as $testError) {
-            $match = Strings::match(
-                $testError->getErrorContents(),
-                '#(?<test_class>[\w\\\\]+?)::(?<test_method_name>\w+)\n.*?(?<mocked_method_name>\w+)\(\).*?\s+was not expected to be called more than once#s'
-            );
-
-            if ($match === null) {
-                continue;
-            }
-
-            $moreThanOnceTestErrors[] = new MoreThanOnceTestError(
-                $match['test_class'],
-                $match['test_method_name'],
-                $match['mocked_method_name']
-            );
-        }
-
-        return $moreThanOnceTestErrors;
-    }
-
-    /**
-     * @param TestError[] $testErrors
-     * @return NoCallTestError[]
-     */
-    private function matchNoCallTestErrors(array $testErrors): array
-    {
-        $noCallTestErrors = [];
-
-        foreach ($testErrors as $testError) {
-            $match = Strings::match(
-                $testError->getErrorContents(),
-                '#(?<test_class>[\w\\\\]+?)::(?<test_method_name>\w+)\s+Expectation failed for method name is "(?<mocked_method_name>.*?)" when .*?Method was expected to be called 1 times, actually called 0 times#s'
-            );
-
-            if ($match === null) {
-                continue;
-            }
-
-            $noCallTestErrors[] = new NoCallTestError(
-                $match['test_class'],
-                $match['test_method_name'],
-                $match['mocked_method_name']
-            );
-        }
-
-        return $noCallTestErrors;
-    }
-}
diff --git a/src/ServiceMockResolver.php b/src/ServiceMockResolver.php
index e0ff5023..648c8982 100644
--- a/src/ServiceMockResolver.php
+++ b/src/ServiceMockResolver.php
@@ -7,7 +7,6 @@
 use PhpParser\Node\Name;
 use PhpParser\Node\Param;
 use PhpParser\Node\Stmt\ClassMethod;
-use Rector\Exception\ShouldNotHappenException;
 use Rector\NodeNameResolver\NodeNameResolver;
 use Rector\PhpSpecToPHPUnit\ValueObject\ServiceMock;
 
@@ -46,7 +45,10 @@ private function createServiceMock(Param $param): ServiceMock
 
         // this should be always typed
         if (! $param->type instanceof Name) {
-            throw new ShouldNotHappenException(sprintf('Param "%s" must be typed', $variableName));
+            throw new \Rector\PhpSpecToPHPUnit\Exception\ShouldNotHappenException(sprintf(
+                'Param "%s" must be typed',
+                $variableName
+            ));
         }
 
         $mockClassName = $param->type->toString();
diff --git a/src/ValueObject/DuringAndRelatedMethodCall.php b/src/ValueObject/DuringAndRelatedMethodCall.php
index 7b718beb..e9bf70df 100644
--- a/src/ValueObject/DuringAndRelatedMethodCall.php
+++ b/src/ValueObject/DuringAndRelatedMethodCall.php
@@ -61,7 +61,6 @@ public function getCalledArgs(): array
         }
 
         $builderFactory = new BuilderFactory();
-
         $array = $secondArg->value;
 
         $values = [];
diff --git a/src/ValueObject/PHPUnit/MoreThanOnceTestError.php b/src/ValueObject/PHPUnit/MoreThanOnceTestError.php
deleted file mode 100644
index 34314464..00000000
--- a/src/ValueObject/PHPUnit/MoreThanOnceTestError.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\PhpSpecToPHPUnit\ValueObject\PHPUnit;
-
-final class MoreThanOnceTestError
-{
-    public function __construct(
-        /**
-         * @var class-string
-         */
-        private string $testClass,
-        private string $testClassMethod,
-        private string $mockedMethod
-    ) {
-    }
-
-    public function getTestClass(): string
-    {
-        return $this->testClass;
-    }
-
-    public function getTestClassMethod(): string
-    {
-        return $this->testClassMethod;
-    }
-
-    public function getMockedMethod(): string
-    {
-        return $this->mockedMethod;
-    }
-}
diff --git a/src/ValueObject/PHPUnit/NoCallTestError.php b/src/ValueObject/PHPUnit/NoCallTestError.php
deleted file mode 100644
index f2118ae8..00000000
--- a/src/ValueObject/PHPUnit/NoCallTestError.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\PhpSpecToPHPUnit\ValueObject\PHPUnit;
-
-final class NoCallTestError
-{
-    public function __construct(
-        /**
-         * @var class-string
-         */
-        private string $testClass,
-        private string $testClassMethod,
-        private string $mockedMethod
-    ) {
-    }
-
-    public function getTestClass(): string
-    {
-        return $this->testClass;
-    }
-
-    public function getTestClassMethod(): string
-    {
-        return $this->testClassMethod;
-    }
-
-    public function getMockedMethod(): string
-    {
-        return $this->mockedMethod;
-    }
-}
diff --git a/src/ValueObject/PHPUnit/TestError.php b/src/ValueObject/PHPUnit/TestError.php
deleted file mode 100644
index c60196d1..00000000
--- a/src/ValueObject/PHPUnit/TestError.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\PhpSpecToPHPUnit\ValueObject\PHPUnit;
-
-final readonly class TestError
-{
-    public function __construct(
-        private string $errorContents
-    ) {
-    }
-
-    public function getErrorContents(): string
-    {
-        return $this->errorContents;
-    }
-}