diff --git a/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/CompositeProjectRoot.java b/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/CompositeProjectRoot.java
index 73dc7e9c0c5e..082da1b0ed04 100644
--- a/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/CompositeProjectRoot.java
+++ b/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/CompositeProjectRoot.java
@@ -22,6 +22,7 @@ import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.util.ArrayUtil;
 import com.intellij.util.containers.ContainerUtil;
 import org.jdom.Element;
+import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
@@ -32,6 +33,10 @@ import java.util.List;
  * @author mike
  */
 class CompositeProjectRoot implements ProjectRoot {
+  @NonNls private static final String SIMPLE_ROOT = "simple";
+  @NonNls private static final String COMPOSITE_ROOT = "composite";
+  @NonNls private static final String ATTRIBUTE_TYPE = "type";
+  @NonNls private static final String ELEMENT_ROOT = "root";
   private final List<ProjectRoot> myRoots = new ArrayList<>();
 
   @NotNull 
@@ -104,13 +109,13 @@ class CompositeProjectRoot implements ProjectRoot {
 
   public void readExternal(Element element) {
     for (Element child : element.getChildren()) {
-      myRoots.add(ProjectRootUtil.read(child));
+      myRoots.add(read(child));
     }
   }
 
   public void writeExternal(Element element) {
     for (ProjectRoot root : myRoots) {
-      Element e = ProjectRootUtil.write(root);
+      Element e = write(root);
       element.addContent(e);
     }
   }
@@ -121,4 +126,37 @@ class CompositeProjectRoot implements ProjectRoot {
       root.update();
     }
   }
+
+  @NotNull
+  static ProjectRoot read(Element element)  {
+    final String type = element.getAttributeValue(ATTRIBUTE_TYPE);
+
+    if (type.equals(SIMPLE_ROOT)) {
+      return new SimpleProjectRoot(element);
+    }
+    if (type.equals(COMPOSITE_ROOT)) {
+      CompositeProjectRoot root = new CompositeProjectRoot();
+      root.readExternal(element);
+      return root;
+    }
+    throw new IllegalArgumentException("Wrong type: " + type);
+  }
+
+  @NotNull
+  static Element write(ProjectRoot projectRoot)  {
+    Element element = new Element(ELEMENT_ROOT);
+    if (projectRoot instanceof SimpleProjectRoot) {
+      element.setAttribute(ATTRIBUTE_TYPE, SIMPLE_ROOT);
+      ((SimpleProjectRoot)projectRoot).writeExternal(element);
+    }
+    else if (projectRoot instanceof CompositeProjectRoot) {
+      element.setAttribute(ATTRIBUTE_TYPE, COMPOSITE_ROOT);
+      ((CompositeProjectRoot)projectRoot).writeExternal(element);
+    }
+    else {
+      throw new IllegalArgumentException("Wrong root: " + projectRoot);
+    }
+
+    return element;
+  }
 }
diff --git a/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/ProjectRootContainerImpl.java b/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/ProjectRootContainerImpl.java
index e47d871c7a1c..30c7c47cf003 100644
--- a/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/ProjectRootContainerImpl.java
+++ b/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/ProjectRootContainerImpl.java
@@ -254,7 +254,7 @@ public class ProjectRootContainerImpl implements JDOMExternalizable, ProjectRoot
     if (children.size() != 1) {
       LOG.error(children);
     }
-    CompositeProjectRoot root = (CompositeProjectRoot)ProjectRootUtil.read(children.get(0));
+    CompositeProjectRoot root = (CompositeProjectRoot)CompositeProjectRoot.read(children.get(0));
     myRoots.put(type, root);
   }
 
@@ -263,7 +263,7 @@ public class ProjectRootContainerImpl implements JDOMExternalizable, ProjectRoot
     if (sdkRootName != null) {
       Element e = new Element(sdkRootName);
       roots.addContent(e);
-      final Element root = ProjectRootUtil.write(myRoots.get(type));
+      final Element root = CompositeProjectRoot.write(myRoots.get(type));
       e.addContent(root);
     }
   }
diff --git a/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/ProjectRootUtil.java b/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/ProjectRootUtil.java
index 0914fbca2e82..da9ad1bc619c 100644
--- a/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/ProjectRootUtil.java
+++ b/platform/projectModel-impl/src/com/intellij/openapi/projectRoots/impl/ProjectRootUtil.java
@@ -18,7 +18,6 @@ package com.intellij.openapi.projectRoots.impl;
 
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.project.Project;
-import com.intellij.openapi.projectRoots.ex.ProjectRoot;
 import com.intellij.openapi.roots.OrderEnumerator;
 import com.intellij.openapi.roots.ProjectRootManager;
 import com.intellij.openapi.vfs.VirtualFile;
@@ -26,8 +25,6 @@ import com.intellij.psi.PsiDirectory;
 import com.intellij.psi.PsiManager;
 import com.intellij.psi.impl.PsiManagerImpl;
 import com.intellij.psi.impl.file.impl.FileManager;
-import org.jdom.Element;
-import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
@@ -39,67 +36,9 @@ import java.util.List;
 public class ProjectRootUtil {
   private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.projectRoots.impl.ProjectRootUtil");
 
-  @NonNls private static final String SIMPLE_ROOT = "simple";
-  @NonNls private static final String COMPOSITE_ROOT = "composite";
-  /**
-   * @deprecated
-   */
-  @NonNls public static final String JDK_ROOT = "jdk";
-  /**
-   * @deprecated
-   */
-  @NonNls public static final String OUTPUT_ROOT = "output";
-  /**
-   * @deprecated
-   */
-  @NonNls public static final String EXCLUDED_OUTPUT = "excludedOutput";
-  /**
-   * @deprecated
-   */
-  @NonNls public static final String LIBRARY_ROOT = "library";
-  /**
-   * @deprecated
-   */
-  @NonNls public static final String EJB_ROOT = "ejb";
-  @NonNls private static final String ATTRIBUTE_TYPE = "type";
-  @NonNls private static final String ELEMENT_ROOT = "root";
-
   private ProjectRootUtil() {
   }
 
-  @NotNull
-  static ProjectRoot read(Element element)  {
-    final String type = element.getAttributeValue(ATTRIBUTE_TYPE);
-
-    if (type.equals(SIMPLE_ROOT)) {
-      return new SimpleProjectRoot(element);
-    }
-    if (type.equals(COMPOSITE_ROOT)) {
-      CompositeProjectRoot root = new CompositeProjectRoot();
-      root.readExternal(element);
-      return root;
-    }
-    throw new IllegalArgumentException("Wrong type: " + type);
-  }
-
-  @NotNull
-  static Element write(ProjectRoot projectRoot)  {
-    Element element = new Element(ELEMENT_ROOT);
-    if (projectRoot instanceof SimpleProjectRoot) {
-      element.setAttribute(ATTRIBUTE_TYPE, SIMPLE_ROOT);
-      ((SimpleProjectRoot)projectRoot).writeExternal(element);
-    }
-    else if (projectRoot instanceof CompositeProjectRoot) {
-      element.setAttribute(ATTRIBUTE_TYPE, COMPOSITE_ROOT);
-      ((CompositeProjectRoot)projectRoot).writeExternal(element);
-    }
-    else {
-      throw new IllegalArgumentException("Wrong root: " + projectRoot);
-    }
-
-    return element;
-  }
-
   @NotNull
   private static PsiDirectory[] convertRoots(final Project project, VirtualFile[] roots) {
     return convertRoots(((PsiManagerImpl)PsiManager.getInstance(project)).getFileManager(), roots);