diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/dom/annotator/MavenDomGutterAnnotator.kt b/plugins/maven/src/main/java/org/jetbrains/idea/maven/dom/annotator/MavenDomGutterAnnotator.kt
index adc3482de53c..419e8b54c43d 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/dom/annotator/MavenDomGutterAnnotator.kt
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/dom/annotator/MavenDomGutterAnnotator.kt
@@ -27,7 +27,7 @@ import org.jetbrains.idea.maven.dom.model.*
 import org.jetbrains.idea.maven.utils.MavenLog
 import javax.swing.Icon
 
-private class MavenDomGutterAnnotator : Annotator, DumbAware {
+internal class MavenDomGutterAnnotator : Annotator, DumbAware {
   override fun annotate(psiElement: PsiElement, holder: AnnotationHolder) {
     if (psiElement is XmlTag) {
       log { "MavenDomGutterAnnotator.annotate ${psiElement.name}" }
diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenCompileSourceRootsConfigurator.kt b/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenCompileSourceRootsConfigurator.kt
index da2185cf7efd..52199ce636cb 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenCompileSourceRootsConfigurator.kt
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenCompileSourceRootsConfigurator.kt
@@ -11,7 +11,7 @@ import com.intellij.platform.workspace.jps.entities.modifyModuleEntity
 import com.intellij.workspaceModel.ide.legacyBridge.impl.java.JAVA_SOURCE_ROOT_ENTITY_TYPE_ID
 import org.jetbrains.idea.maven.importing.MavenImportUtil.unescapeCompileSourceRootModuleSuffix
 
-private class MavenCompileSourceRootsConfigurator : MavenWorkspaceConfigurator {
+internal class MavenCompileSourceRootsConfigurator : MavenWorkspaceConfigurator {
   override fun configureMavenProject(context: MavenWorkspaceConfigurator.MutableMavenProjectContext) {
     val mavenProjectWithModules = context.mavenProjectWithModules
     val modulesWithType = mavenProjectWithModules.modules
diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenEncodingConfigurator.kt b/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenEncodingConfigurator.kt
index 62fc5fd78552..ac1159b4ec5c 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenEncodingConfigurator.kt
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenEncodingConfigurator.kt
@@ -20,7 +20,7 @@ import java.nio.charset.Charset
 import java.nio.charset.IllegalCharsetNameException
 import java.nio.charset.UnsupportedCharsetException
 
-private class MavenEncodingConfigurator : MavenWorkspaceConfigurator {
+internal class MavenEncodingConfigurator : MavenWorkspaceConfigurator {
   private val PREPARED_MAPPER = Key.create<EncodingMapper>("ENCODING_MAPPER")
 
   override fun beforeModelApplied(context: MavenWorkspaceConfigurator.MutableModelContext) {
diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenExternalAnnotationsConfigurator.kt b/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenExternalAnnotationsConfigurator.kt
index aa02f9826fdf..97d5df7f2fc3 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenExternalAnnotationsConfigurator.kt
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/importing/MavenExternalAnnotationsConfigurator.kt
@@ -17,7 +17,7 @@ import org.jetbrains.idea.maven.project.MavenProjectsManager
 import org.jetbrains.idea.maven.tasks.TasksBundle
 
 @ApiStatus.Internal
-private class MavenExternalAnnotationsConfigurator : MavenWorkspaceConfigurator {
+internal class MavenExternalAnnotationsConfigurator : MavenWorkspaceConfigurator {
 
   private val myProcessedLibraries = hashSetOf<MavenArtifact>()
 
diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/navigator/actions/MavenBuildMenu.kt b/plugins/maven/src/main/java/org/jetbrains/idea/maven/navigator/actions/MavenBuildMenu.kt
index b421a208fe93..d664d2230eac 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/navigator/actions/MavenBuildMenu.kt
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/navigator/actions/MavenBuildMenu.kt
@@ -36,7 +36,7 @@ class MavenBuildMenu : DefaultActionGroup(), DumbAware {
 
   private interface MyDelegatingAction
 
-  private class DelegatingActionGroup(action: ActionGroup, private val executor: Executor) :
+  internal class DelegatingActionGroup(action: ActionGroup, private val executor: Executor) :
     ActionGroupWrapper(action), MyDelegatingAction {
 
     override fun getChildren(e: AnActionEvent?): Array<AnAction> {
@@ -50,7 +50,7 @@ class MavenBuildMenu : DefaultActionGroup(), DumbAware {
     }
   }
 
-  private class DelegatingAction(action: AnAction, private val executor: Executor) :
+  internal class DelegatingAction(action: AnAction, private val executor: Executor) :
     AnActionWrapper(action), MyDelegatingAction {
 
     override fun actionPerformed(e: AnActionEvent) {
diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenPluginResolver.kt b/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenPluginResolver.kt
index ab0c40a509f8..894626c1a814 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenPluginResolver.kt
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenPluginResolver.kt
@@ -26,7 +26,7 @@ interface MavenPluginResolver {
     eventHandler: MavenEventHandler): PluginResolutionResult
 }
 
-private class MavenPluginResolverImpl : MavenPluginResolver {
+internal class MavenPluginResolverImpl : MavenPluginResolver {
   override suspend fun resolvePlugins(
     mavenProjects: Collection<MavenProject>,
     forceUpdateSnapshots: Boolean,
diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/actions/SyncAllSplitAction.kt b/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/actions/SyncAllSplitAction.kt
index cf4db65ff893..2745342962fd 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/actions/SyncAllSplitAction.kt
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/actions/SyncAllSplitAction.kt
@@ -3,7 +3,7 @@ package org.jetbrains.idea.maven.project.actions
 
 import com.intellij.openapi.actionSystem.*
 
-private class SyncAllSplitAction : SplitButtonAction(openActionGroup("Maven.SyncAllGroup")) {
+internal class SyncAllSplitAction : SplitButtonAction(openActionGroup("Maven.SyncAllGroup")) {
   override fun useDynamicSplitButton(): Boolean = false
 }
 
diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/MavenMultiReleaseSupport.kt b/plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/MavenMultiReleaseSupport.kt
index 41032abe2de7..73d77a28af43 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/MavenMultiReleaseSupport.kt
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/MavenMultiReleaseSupport.kt
@@ -11,7 +11,7 @@ import org.jetbrains.idea.maven.importing.MavenImportUtil.MAIN_SUFFIX
 import org.jetbrains.idea.maven.importing.StandardMavenModuleType
 import org.jetbrains.jps.model.serialization.SerializationConstants.MAVEN_EXTERNAL_SOURCE_ID
 
-private class MavenMultiReleaseSupport : JavaMultiReleaseModuleSupport {
+internal class MavenMultiReleaseSupport : JavaMultiReleaseModuleSupport {
   override fun getMainMultiReleaseModule(additionalModule: Module): Module? {
     // Maven
     val project = additionalModule.project
diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/MavenWrapperImplicitPropertyUsageProvider.kt b/plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/MavenWrapperImplicitPropertyUsageProvider.kt
index 887ad684ccdc..d6a2b739c834 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/MavenWrapperImplicitPropertyUsageProvider.kt
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/MavenWrapperImplicitPropertyUsageProvider.kt
@@ -6,7 +6,7 @@ import com.intellij.lang.properties.psi.Property
 import com.intellij.openapi.util.Comparing
 import com.intellij.openapi.vfs.VirtualFile
 
-private class MavenWrapperImplicitPropertyUsageProvider : ImplicitPropertyUsageProvider {
+internal class MavenWrapperImplicitPropertyUsageProvider : ImplicitPropertyUsageProvider {
   override fun isUsed(property: Property): Boolean {
     val file = property.containingFile.virtualFile
     return nameEqual(file, "maven-wrapper.properties") && nameEqual(file?.parent, "wrapper")