diff --git a/idea/src/org/jetbrains/jet/plugin/framework/JSLibraryStdPresentationProvider.java b/idea/src/org/jetbrains/jet/plugin/framework/JSLibraryStdPresentationProvider.java
index f1f0f9457c0..ccdb18b2521 100644
--- a/idea/src/org/jetbrains/jet/plugin/framework/JSLibraryStdPresentationProvider.java
+++ b/idea/src/org/jetbrains/jet/plugin/framework/JSLibraryStdPresentationProvider.java
@@ -54,10 +54,6 @@ public class JSLibraryStdPresentationProvider extends LibraryPresentationProvide
             return null;
         }
 
-        if (isOldJSStandardLibrary(classesRoots)) {
-            return new LibraryVersionProperties(null);
-        }
-
         for (VirtualFile root : classesRoots) {
             if (root.getName().equals(PathUtil.JS_LIB_JAR_NAME)) {
                 assert JsHeaderLibraryPresentationProvider.getInstance().detect(classesRoots) != null : "StdLib should also be detected as headers library";
@@ -75,9 +71,4 @@ public class JSLibraryStdPresentationProvider extends LibraryPresentationProvide
 
         return null;
     }
-
-    // TODO: Deprecated - remove after some iterations
-    static boolean isOldJSStandardLibrary(@NotNull List<VirtualFile> classesRoots) {
-        return classesRoots.isEmpty();
-    }
 }
diff --git a/idea/src/org/jetbrains/jet/plugin/framework/JsHeaderLibraryPresentationProvider.java b/idea/src/org/jetbrains/jet/plugin/framework/JsHeaderLibraryPresentationProvider.java
index 0c60ba958d9..b24e24cd4cf 100644
--- a/idea/src/org/jetbrains/jet/plugin/framework/JsHeaderLibraryPresentationProvider.java
+++ b/idea/src/org/jetbrains/jet/plugin/framework/JsHeaderLibraryPresentationProvider.java
@@ -55,10 +55,6 @@ public class JsHeaderLibraryPresentationProvider extends LibraryPresentationProv
             return null;
         }
 
-        if (JSLibraryStdPresentationProvider.isOldJSStandardLibrary(classesRoots)) {
-            return new LibraryVersionProperties(null);
-        }
-
         for (VirtualFile file : classesRoots) {
             CommonProcessors.FindFirstProcessor<VirtualFile> findKTProcessor = new CommonProcessors.FindFirstProcessor<VirtualFile>() {
                 @Override
diff --git a/idea/src/org/jetbrains/jet/plugin/framework/KotlinFrameworkDetector.java b/idea/src/org/jetbrains/jet/plugin/framework/KotlinFrameworkDetector.java
index 7ebf31786b0..3954e381ee3 100644
--- a/idea/src/org/jetbrains/jet/plugin/framework/KotlinFrameworkDetector.java
+++ b/idea/src/org/jetbrains/jet/plugin/framework/KotlinFrameworkDetector.java
@@ -43,7 +43,6 @@ import org.jetbrains.jet.lang.psi.JetFile;
 import org.jetbrains.jet.plugin.versions.KotlinRuntimeLibraryUtil;
 import org.jetbrains.k2js.config.EcmaVersion;
 
-import java.util.Arrays;
 import java.util.List;
 import java.util.Set;
 
@@ -126,7 +125,7 @@ public class KotlinFrameworkDetector {
                 ModuleRootManager.getInstance(module).orderEntries().librariesOnly().forEachLibrary(new Processor<Library>() {
                     @Override
                     public boolean process(Library library) {
-                        if (JSLibraryStdPresentationProvider.getInstance().detect(Arrays.asList(library.getFiles(OrderRootType.CLASSES))) != null) {
+                        if (LibraryPresentationProviderUtil.isDetected(JSLibraryStdPresentationProvider.getInstance(), library)) {
                             jsLibrary.set(library);
                             return false;
                         }