diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index 9fe807536f32..b803bcf74e00 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -44,6 +44,8 @@
       <module name="remote-servers-agent-rt" target="1.5" />
       <module name="testng_rt" target="1.5" />
       <module name="ui-designer-jps-plugin" target="1.6" />
+      <module name="util" target="1.5" />
+      <module name="util-rt" target="1.5" />
     </bytecodeTargetLevel>
   </component>
   <component name="EclipseCompilerSettings">
diff --git a/build/conf/classVersions.txt b/build/conf/classVersions.txt
index dd39ad0006d3..aab86e591335 100644
--- a/build/conf/classVersions.txt
+++ b/build/conf/classVersions.txt
@@ -29,6 +29,7 @@
 1.6 =>
 
 1.3 => lib/idea_rt.jar
+1.5 => lib/util.jar
 
 1.7 => lib/fxHelpBrowser.jar
 1.7 => lib/optimizedFileManager.jar
diff --git a/platform/util-rt/util-rt.iml b/platform/util-rt/util-rt.iml
index 4d3f06e41375..1233b90296a3 100644
--- a/platform/util-rt/util-rt.iml
+++ b/platform/util-rt/util-rt.iml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_5" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
diff --git a/platform/util/src/com/intellij/util/lang/ClassPath.java b/platform/util/src/com/intellij/util/lang/ClassPath.java
index 4c5c6b384e75..e15cf8df2150 100644
--- a/platform/util/src/com/intellij/util/lang/ClassPath.java
+++ b/platform/util/src/com/intellij/util/lang/ClassPath.java
@@ -73,7 +73,6 @@ public class ClassPath {
         if (!FileUtil.ensureCanCreateFile(orderFile)) return;
         ourOrder = new PrintStream(new FileOutputStream(orderFile, true));
         ShutDownTracker.getInstance().registerShutdownTask(new Runnable() {
-          @Override
           public void run() {
             ourOrder.close();
             System.out.println(ourOrderSize);
@@ -304,12 +303,10 @@ public class ClassPath {
       return false;
     }
 
-    @Override
     public boolean hasMoreElements() {
       return next();
     }
 
-    @Override
     public URL nextElement() {
       if (!next()) {
         throw new NoSuchElementException();
diff --git a/platform/util/util.iml b/platform/util/util.iml
index beb2a0ccf916..d9af7fc83325 100644
--- a/platform/util/util.iml
+++ b/platform/util/util.iml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module relativePaths="true" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_5" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />