diff --git a/.ci/pitest-suppressions/pitest-utils-suppressions.xml b/.ci/pitest-suppressions/pitest-utils-suppressions.xml
index e36e6c35d87..3063ed3f770 100644
--- a/.ci/pitest-suppressions/pitest-utils-suppressions.xml
+++ b/.ci/pitest-suppressions/pitest-utils-suppressions.xml
@@ -636,7 +636,7 @@
     <mutatedMethod>getCheckstyleModules</mutatedMethod>
     <mutator>org.pitest.mutationtest.engine.gregor.mutators.experimental.NakedReceiverMutator</mutator>
     <description>replaced call to java/util/stream/Stream::filter with receiver</description>
-    <lineContent>.filter(ModuleReflectionUtil::isCheckstyleModule)</lineContent>
+    <lineContent>.filter(ModuleReflectionUtil::isValidCheckstyleClass)</lineContent>
   </mutation>
 
   <mutation unstable="false">
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/PackageObjectFactory.java b/src/main/java/com/puppycrawl/tools/checkstyle/PackageObjectFactory.java
index bec9669bf3f..5da711a217b 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/PackageObjectFactory.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/PackageObjectFactory.java
@@ -303,7 +303,7 @@ Definitions.CHECKSTYLE_BUNDLE, getClass(),
     private Map<String, Set<String>> generateThirdPartyNameToFullModuleName(ClassLoader loader) {
         Map<String, Set<String>> returnValue;
         try {
-            returnValue = ModuleReflectionUtil.getCheckstyleModules(packages, loader).stream()
+            returnValue = ModuleReflectionUtil.getValidCheckstyleClasses(packages, loader).stream()
                 .collect(Collectors.groupingBy(Class::getSimpleName,
                     Collectors.mapping(Class::getCanonicalName, Collectors.toSet())));
         }
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/utils/ModuleReflectionUtil.java b/src/main/java/com/puppycrawl/tools/checkstyle/utils/ModuleReflectionUtil.java
index c9d4713a1b7..882ee49589d 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/utils/ModuleReflectionUtil.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/utils/ModuleReflectionUtil.java
@@ -46,21 +46,21 @@ private ModuleReflectionUtil() {
     }
 
     /**
-     * Gets checkstyle's modules (directly, not recursively) in the given packages.
+     * Gets valid checkstyle's classes (directly, not recursively) in the given packages.
      *
      * @param packages the collection of package names to use
      * @param loader the class loader used to load Checkstyle package names
-     * @return the set of checkstyle's module classes
+     * @return the set of checkstyle's classes
      * @throws IOException if the attempt to read class path resources failed
      * @see #isCheckstyleModule(Class)
      */
-    public static Set<Class<?>> getCheckstyleModules(
+    public static Set<Class<?>> getValidCheckstyleClasses(
             Collection<String> packages, ClassLoader loader) throws IOException {
         final ClassPath classPath = ClassPath.from(loader);
         return packages.stream()
                 .flatMap(pkg -> classPath.getTopLevelClasses(pkg).stream())
                 .map(ClassPath.ClassInfo::load)
-                .filter(ModuleReflectionUtil::isCheckstyleModule)
+                .filter(ModuleReflectionUtil::isValidCheckstyleClass)
                 .collect(Collectors.toSet());
     }
 
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/PackageObjectFactoryTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/PackageObjectFactoryTest.java
index 8bfe18c23e5..da8024206e0 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/PackageObjectFactoryTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/PackageObjectFactoryTest.java
@@ -441,7 +441,7 @@ public void testGetShortFromFullModuleNamesThirdParty() {
      * to initialize private field {@code PackageObjectFactory.thirdPartyNameToFullModuleNames}.
      * Since the method and the field both are private, the {@link TestUtil} is required to ensure
      * that the field is changed. Also, the expected exception should be thrown from the static
-     * method {@link ModuleReflectionUtil#getCheckstyleModules}, so {@link Mockito#mockStatic}
+     * method {@link ModuleReflectionUtil#getValidCheckstyleClasses}, so {@link Mockito#mockStatic}
      * is required to mock this exception.
      *
      * @throws Exception when the code tested throws an exception
@@ -457,8 +457,9 @@ public void testGenerateThirdPartyNameToFullModuleNameWithException() throws Exc
 
         try (MockedStatic<ModuleReflectionUtil> utilities =
                      mockStatic(ModuleReflectionUtil.class)) {
-            utilities.when(() -> ModuleReflectionUtil.getCheckstyleModules(packages, classLoader))
-                    .thenThrow(new IOException("mock exception"));
+            utilities.when(() -> {
+                ModuleReflectionUtil.getValidCheckstyleClasses(packages, classLoader);
+            }).thenThrow(new IOException("mock exception"));
 
             final String internalFieldName = "thirdPartyNameToFullModuleNames";
             final Map<String, String> nullMap = TestUtil.getInternalState(objectFactory,