diff --git a/platform/lang-impl/src/com/intellij/ide/impl/ProjectViewSelectInTarget.java b/platform/lang-impl/src/com/intellij/ide/impl/ProjectViewSelectInTarget.java
index eaaa063193b5..509b51f203d8 100644
--- a/platform/lang-impl/src/com/intellij/ide/impl/ProjectViewSelectInTarget.java
+++ b/platform/lang-impl/src/com/intellij/ide/impl/ProjectViewSelectInTarget.java
@@ -122,7 +122,7 @@ public abstract class ProjectViewSelectInTarget extends SelectInTargetPsiWrapper
     PsiElement toSelect = null;
     for (TreeStructureProvider provider : getProvidersDumbAware()) {
       if (provider instanceof SelectableTreeStructureProvider) {
-        toSelect = ((SelectableTreeStructureProvider) provider).getTopLevelElement(element);
+        toSelect = ((SelectableTreeStructureProvider)provider).getTopLevelElement(element);
       }
       if (toSelect != null) {
         if (!toSelect.isValid()) {
diff --git a/platform/lang-impl/src/com/intellij/ide/projectView/impl/ProjectAbstractTreeStructureBase.java b/platform/lang-impl/src/com/intellij/ide/projectView/impl/ProjectAbstractTreeStructureBase.java
index d3f4a8071bef..a33c79a9d2c0 100644
--- a/platform/lang-impl/src/com/intellij/ide/projectView/impl/ProjectAbstractTreeStructureBase.java
+++ b/platform/lang-impl/src/com/intellij/ide/projectView/impl/ProjectAbstractTreeStructureBase.java
@@ -5,6 +5,7 @@ package com.intellij.ide.projectView.impl;
 import com.intellij.ide.projectView.TreeStructureProvider;
 import com.intellij.ide.util.treeView.AbstractTreeStructureBase;
 import com.intellij.openapi.project.Project;
+import org.jetbrains.annotations.TestOnly;
 
 import java.util.Arrays;
 import java.util.List;
@@ -24,6 +25,7 @@ public abstract class ProjectAbstractTreeStructureBase extends AbstractTreeStruc
     return myProviders;
   }
 
+  @TestOnly
   public void setProviders(TreeStructureProvider... treeStructureProviders) {
     myProviders = treeStructureProviders == null ? null : Arrays.asList(treeStructureProviders);
   }