diff --git a/config/suppressions.xml b/config/suppressions.xml
index c5dfa13..1b6c9af 100644
--- a/config/suppressions.xml
+++ b/config/suppressions.xml
@@ -8,4 +8,5 @@
     <suppress checks="MissingJavadocType" files=".*"/>
     <suppress checks="JavadocVariable" files=".*"/>
     <suppress checks="MissingJavadocMethod" files=".*"/>
+    <suppress checks="DesignForExtension" files="[\\/]src[\\/]test[\\/]java[\\/]org[\\/]checkstyle[\\/]autofix[\\/]recipe[\\/]AbstractRecipeTest\.java"/>
 </suppressions>
diff --git a/src/test/java/org/checkstyle/autofix/InputClassRenamer.java b/src/test/java/org/checkstyle/autofix/InputClassRenamer.java
index 9b2bef7..f32c7a0 100644
--- a/src/test/java/org/checkstyle/autofix/InputClassRenamer.java
+++ b/src/test/java/org/checkstyle/autofix/InputClassRenamer.java
@@ -44,14 +44,9 @@ public TreeVisitor<?, ExecutionContext> getVisitor() {
         return new ClassRenameVisitor();
     }
 
-    /**
-     * A visitor that traverse Java AST nodes and renames classes starting with "Input" to "Output".
-     */
     private static final class ClassRenameVisitor extends JavaIsoVisitor<ExecutionContext> {
 
-        /** The prefix to match in class names. */
         private static final String FROM_PREFIX = "Input";
-        /** The prefix to replace with in class names. */
         private static final String TO_PREFIX = "Output";
 
         @Override
@@ -82,13 +77,6 @@ public J.NewClass visitNewClass(J.NewClass constructorNode,
             return result;
         }
 
-        /**
-         * Checks if a given class name starts with the FROM_PREFIX
-         * and returns the renamed version with TO_PREFIX.
-         *
-         * @param originalName The original class name.
-         * @return The new class name with TO_PREFIX if matched, otherwise null.
-         */
         private String renameIfMatch(String originalName) {
             final String result;
             if (originalName.startsWith(FROM_PREFIX)) {
diff --git a/src/test/java/org/checkstyle/autofix/recipe/AbstractRecipeTest.java b/src/test/java/org/checkstyle/autofix/recipe/AbstractRecipeTest.java
index 5d1bea9..27bc248 100644
--- a/src/test/java/org/checkstyle/autofix/recipe/AbstractRecipeTest.java
+++ b/src/test/java/org/checkstyle/autofix/recipe/AbstractRecipeTest.java
@@ -28,47 +28,18 @@
 import org.openrewrite.Recipe;
 import org.openrewrite.test.RewriteTest;
 
-/**
- * Base test class for recipe testing that provides common functionality
- * for reading test files and executing recipe tests with preprocessing.
- */
 public abstract class AbstractRecipeTest implements RewriteTest {
 
     private static final String BASE_TEST_RESOURCES_PATH = "src/test/resources/org"
             + "/checkstyle/autofix/recipe/";
 
-    /**
-     * Creates a preprocessing recipe that normalizes class names from InputXxx to OutputXxx.
-     * This allows test files to have descriptive names while maintaining consistent class names.
-     *
-     * @return the preprocessing recipe
-     */
     private Recipe createPreprocessingRecipe() {
         return new InputClassRenamer();
     }
 
-    /**
-     * Creates the main recipe that should be tested.
-     * Subclasses must implement this method to provide their specific recipe.
-     *
-     * @return the main recipe to test
-     */
     protected abstract Recipe getRecipe();
 
-    /**
-     * Tests a recipe with the given recipe path and test case name.
-     * Expects input and output files to follow the naming convention:
-     * - Input: {recipePath}/{testCaseName}/Input{testCaseName}.java
-     * - Output: {recipePath}/{testCaseName}/Output{testCaseName}.java
-     * The method automatically applies preprocessing to normalize class names
-     * before running the main recipe.
-     *
-     * @param recipePath the recipe-specific path.
-     * @param testCaseName the name of the test case (should match directory and file names)
-     * @throws IOException if files cannot be read
-     */
-    protected void testRecipe(String recipePath, String testCaseName)
-            throws IOException {
+    protected void testRecipe(String recipePath, String testCaseName) throws IOException {
         final String testCaseDir = testCaseName.toLowerCase();
         final String inputFileName = "Input" + testCaseName + ".java";
         final String outputFileName = "Output" + testCaseName + ".java";