diff --git a/platform/configuration-store-impl/src/ModuleStoreImpl.kt b/platform/configuration-store-impl/src/ModuleStoreImpl.kt
index b1e89f12e90e..53cd9b20ec5a 100644
--- a/platform/configuration-store-impl/src/ModuleStoreImpl.kt
+++ b/platform/configuration-store-impl/src/ModuleStoreImpl.kt
@@ -21,7 +21,7 @@ import com.intellij.openapi.components.stateStore
 import com.intellij.openapi.module.Module
 import java.io.File
 
-private sealed class ModuleStoreImpl(module: Module, private val pathMacroManager: PathMacroManager) : ComponentStoreImpl() {
+private open class ModuleStoreImpl(module: Module, private val pathMacroManager: PathMacroManager) : ComponentStoreImpl() {
   override val project = module.project
 
   override val storageManager = ModuleStateStorageManager(pathMacroManager.createTrackingSubstitutor(), module)
diff --git a/platform/configuration-store-impl/src/ProjectStoreImpl.kt b/platform/configuration-store-impl/src/ProjectStoreImpl.kt
index c3ac6a696429..d7f82735220a 100644
--- a/platform/configuration-store-impl/src/ProjectStoreImpl.kt
+++ b/platform/configuration-store-impl/src/ProjectStoreImpl.kt
@@ -46,7 +46,7 @@ import java.io.IOException
 import java.io.InputStreamReader
 import java.util.*
 
-sealed internal class ProjectStoreImpl(override val project: ProjectImpl, private val pathMacroManager: PathMacroManager) : ComponentStoreImpl(), IProjectStore {
+open internal class ProjectStoreImpl(override val project: ProjectImpl, private val pathMacroManager: PathMacroManager) : ComponentStoreImpl(), IProjectStore {
   // protected setter used in upsource
   // Zelix KlassMaster - ERROR: Could not find method 'getScheme()'
   var scheme = StorageScheme.DEFAULT