diff --git a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ProjectConfigurable.java b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ProjectConfigurable.java
index c6fa2dc2b785..1ba65e91a35a 100644
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ProjectConfigurable.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/ProjectConfigurable.java
@@ -155,8 +155,7 @@ public class ProjectConfigurable extends NamedConfigurable<Project> implements D
       public void run() {
         ApplicationManager.getApplication().runReadAction(new Runnable(){
           public void run() {
-            final Graph<ModifiableRootModel> originalGraph = myModulesConfigurator.createGraphGenerator();
-            final Graph<Chunk<ModifiableRootModel>> graph = ModuleCompilerUtil.toChunkGraph(originalGraph);
+            final Graph<Chunk<ModifiableRootModel>> graph = ModuleCompilerUtil.toChunkGraph(myModulesConfigurator.createGraphGenerator());
             final Collection<Chunk<ModifiableRootModel>> chunks = graph.getNodes();
             String cycles = "";
             int count = 0;
@@ -183,9 +182,6 @@ public class ProjectConfigurable extends NamedConfigurable<Project> implements D
                 myWarningLabel.repaint();}
               }
             );
-            for (ModifiableRootModel model : originalGraph.getNodes()) {
-              model.dispose();
-            }
           }
         });
       }
diff --git a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/StructureConfigurableContext.java b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/StructureConfigurableContext.java
index 84e2651f7f40..5b17b815e8ed 100644
--- a/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/StructureConfigurableContext.java
+++ b/java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/StructureConfigurableContext.java
@@ -59,7 +59,6 @@ public class StructureConfigurableContext implements Disposable {
   }
 
   public void dispose() {
-    clear();
   }
 
   public ModulesConfigurator getModulesConfigurator() {
@@ -78,7 +77,8 @@ public class StructureConfigurableContext implements Disposable {
 
   public void resetLibraries() {
     final LibraryTablesRegistrar tablesRegistrar = LibraryTablesRegistrar.getInstance();
-    clear();
+
+    myLevel2Providers.clear();
     myLevel2Providers.put(LibraryTablesRegistrar.APPLICATION_LEVEL, new LibrariesModifiableModel(tablesRegistrar.getLibraryTable(), myProject));
     myLevel2Providers.put(LibraryTablesRegistrar.PROJECT_LEVEL, new LibrariesModifiableModel(tablesRegistrar.getLibraryTable(myProject), myProject));
     for (final LibraryTable table : tablesRegistrar.getCustomLibraryTables()) {
@@ -154,9 +154,6 @@ public class StructureConfigurableContext implements Disposable {
   }
 
   public void clear() {
-    for (LibrariesModifiableModel model : myLevel2Providers.values()) {
-      model.disposeUncommittedLibraries();
-    }
     myLevel2Providers.clear();
   }
 }
\ No newline at end of file