diff --git a/src/RuleDoc/CodeSample/ComposerJsonAwareCodeSample.php b/src/RuleDoc/CodeSample/ComposerJsonAwareCodeSample.php
deleted file mode 100644
index 9da00d8aa81..00000000000
--- a/src/RuleDoc/CodeSample/ComposerJsonAwareCodeSample.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\RuleDoc\CodeSample;
-
-use Rector\RuleDoc\AbstractCodeSample;
-
-/**
- * @api
- */
-final class ComposerJsonAwareCodeSample extends AbstractCodeSample
-{
-    public function __construct(
-        string $badCode,
-        string $goodCode,
-        private readonly string $composerJson
-    ) {
-        parent::__construct($badCode, $goodCode);
-    }
-
-    public function getComposerJson(): string
-    {
-        return $this->composerJson;
-    }
-}
diff --git a/src/RuleDoc/Contract/Category/CategoryInfererInterface.php b/src/RuleDoc/Contract/Category/CategoryInfererInterface.php
deleted file mode 100644
index 3d4293f88e1..00000000000
--- a/src/RuleDoc/Contract/Category/CategoryInfererInterface.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\RuleDoc\Contract\Category;
-
-use Rector\RuleDoc\RuleDefinition;
-
-/**
- * @api
- */
-interface CategoryInfererInterface
-{
-    public function infer(RuleDefinition $ruleDefinition): ?string;
-}
diff --git a/src/functions/rule_doc_generator_class_aliases.php b/src/functions/rule_doc_generator_class_aliases.php
index f170f27961c..eeba79e0303 100644
--- a/src/functions/rule_doc_generator_class_aliases.php
+++ b/src/functions/rule_doc_generator_class_aliases.php
@@ -4,10 +4,8 @@
 
 use Rector\RuleDoc\AbstractCodeSample;
 use Rector\RuleDoc\CodeSample\CodeSample;
-use Rector\RuleDoc\CodeSample\ComposerJsonAwareCodeSample;
 use Rector\RuleDoc\CodeSample\ConfiguredCodeSample;
 use Rector\RuleDoc\CodeSample\ExtraFileCodeSample;
-use Rector\RuleDoc\Contract\Category\CategoryInfererInterface;
 use Rector\RuleDoc\Contract\CodeSampleInterface;
 use Rector\RuleDoc\Contract\ConfigurableRuleInterface;
 use Rector\RuleDoc\Contract\DocumentedRuleInterface;
@@ -21,12 +19,10 @@
     DocumentedRuleInterface::class => 'Symplify\RuleDocGenerator\Contract\DocumentedRuleInterface',
     ConfigurableRuleInterface::class => 'Symplify\RuleDocGenerator\Contract\ConfigurableRuleInterface',
     CodeSampleInterface::class => 'Symplify\RuleDocGenerator\Contract\CodeSampleInterface',
-    CategoryInfererInterface::class => 'Symplify\RuleDocGenerator\Contract\Category\CategoryInfererInterface',
     RuleDefinition::class => 'Symplify\RuleDocGenerator\ValueObject\RuleDefinition',
     AbstractCodeSample::class => 'Symplify\RuleDocGenerator\ValueObject\AbstractCodeSample',
     CodeSample::class => 'Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample',
     ConfiguredCodeSample::class => 'Symplify\RuleDocGenerator\ValueObject\CodeSample\ConfiguredCodeSample',
-    ComposerJsonAwareCodeSample::class => 'Symplify\RuleDocGenerator\ValueObject\CodeSample\ComposerJsonAwareCodeSample',
     ExtraFileCodeSample::class => 'Symplify\RuleDocGenerator\ValueObject\CodeSample\ExtraFileCodeSample',
     PoorDocumentationException::class => 'Symplify\RuleDocGenerator\Exception\PoorDocumentationException',
     ShouldNotHappenException::class => 'Symplify\RuleDocGenerator\Exception\ShouldNotHappenException',