diff --git a/js/js.translator/src/org/jetbrains/k2js/config/Config.java b/js/js.translator/src/org/jetbrains/k2js/config/Config.java
index f5bf2dcae15..e95611740a3 100644
--- a/js/js.translator/src/org/jetbrains/k2js/config/Config.java
+++ b/js/js.translator/src/org/jetbrains/k2js/config/Config.java
@@ -17,7 +17,6 @@
 package org.jetbrains.k2js.config;
 
 import com.intellij.openapi.project.Project;
-import com.intellij.openapi.util.text.StringUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.psi.JetFile;
@@ -26,8 +25,6 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
-import static org.jetbrains.k2js.translate.general.Translation.EcmaVersion;
-
 /**
  * @author Pavel Talanov
  *         <p/>
@@ -48,20 +45,20 @@ public abstract class Config {
 
     @NotNull
     protected static final List<String> LIB_FILE_NAMES = Arrays.asList(
-        "/core/annotations.kt",
-        "/jquery/common.kt",
-        "/jquery/ui.kt",
-        "/core/javautil.kt",
-        "/core/javalang.kt",
-        "/core/date.kt",
-        "/core/core.kt",
-        "/core/math.kt",
-        "/core/json.kt",
-        "/raphael/raphael.kt",
-        "/html5/canvas.kt",
-        "/html5/files.kt",
-        "/html5/image.kt",
-        "/stdlib/JUMaps.kt"
+            "/core/annotations.kt",
+            "/jquery/common.kt",
+            "/jquery/ui.kt",
+            "/core/javautil.kt",
+            "/core/javalang.kt",
+            "/core/date.kt",
+            "/core/core.kt",
+            "/core/math.kt",
+            "/core/json.kt",
+            "/raphael/raphael.kt",
+            "/html5/canvas.kt",
+            "/html5/files.kt",
+            "/html5/image.kt",
+            "/stdlib/JUMaps.kt"
     );
 
     protected static final String LIBRARIES_LOCATION = "js/js.libraries/src";
@@ -75,7 +72,7 @@ public abstract class Config {
 
     public Config(@NotNull Project project, @Nullable String target) {
         this.project = project;
-        this.target = StringUtil.compareVersionNumbers(target, "5") >= 0 ? EcmaVersion.v5 : EcmaVersion.v3;
+        this.target = EcmaVersion.fromString(target);
     }
 
     @NotNull
diff --git a/js/js.translator/src/org/jetbrains/k2js/config/EcmaVersion.java b/js/js.translator/src/org/jetbrains/k2js/config/EcmaVersion.java
new file mode 100644
index 00000000000..38217ec8935
--- /dev/null
+++ b/js/js.translator/src/org/jetbrains/k2js/config/EcmaVersion.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.k2js.config;
+
+import com.intellij.openapi.util.text.StringUtil;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * @author Pavel Talanov
+ */
+public enum EcmaVersion {
+    v3, v5;
+
+    @NotNull
+    static EcmaVersion fromString(@Nullable String target) {
+        return StringUtil.compareVersionNumbers(target, "5") >= 0 ? v5 : v3;
+    }
+}
diff --git a/js/js.translator/src/org/jetbrains/k2js/translate/context/StaticContext.java b/js/js.translator/src/org/jetbrains/k2js/translate/context/StaticContext.java
index 71e855a39fb..f68fb0b1e74 100644
--- a/js/js.translator/src/org/jetbrains/k2js/translate/context/StaticContext.java
+++ b/js/js.translator/src/org/jetbrains/k2js/translate/context/StaticContext.java
@@ -24,9 +24,9 @@ import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
 import org.jetbrains.jet.lang.types.lang.JetStandardLibrary;
+import org.jetbrains.k2js.config.EcmaVersion;
 import org.jetbrains.k2js.translate.context.generator.Generator;
 import org.jetbrains.k2js.translate.context.generator.Rule;
-import org.jetbrains.k2js.translate.general.Translation;
 import org.jetbrains.k2js.translate.intrinsic.Intrinsics;
 import org.jetbrains.k2js.translate.utils.AnnotationsUtils;
 import org.jetbrains.k2js.translate.utils.JsAstUtils;
@@ -46,7 +46,7 @@ public final class StaticContext {
 
     public static StaticContext generateStaticContext(@NotNull JetStandardLibrary library,
             @NotNull BindingContext bindingContext,
-            @NotNull Translation.EcmaVersion ecmaVersion) {
+            @NotNull EcmaVersion ecmaVersion) {
         JsProgram program = new JsProgram("main");
         JsRootScope jsRootScope = program.getRootScope();
         Namer namer = Namer.newInstance(jsRootScope);
@@ -85,12 +85,12 @@ public final class StaticContext {
     private final Map<NamingScope, JsFunction> scopeToFunction = Maps.newHashMap();
 
     @NotNull
-    private final Translation.EcmaVersion ecmaVersion;
+    private final EcmaVersion ecmaVersion;
 
     //TODO: too many parameters in constructor
     private StaticContext(@NotNull JsProgram program, @NotNull BindingContext bindingContext,
             @NotNull Namer namer, @NotNull Intrinsics intrinsics,
-            @NotNull StandardClasses standardClasses, @NotNull NamingScope rootScope, @NotNull Translation.EcmaVersion ecmaVersion) {
+            @NotNull StandardClasses standardClasses, @NotNull NamingScope rootScope, @NotNull EcmaVersion ecmaVersion) {
         this.program = program;
         this.bindingContext = bindingContext;
         this.namer = namer;
@@ -101,7 +101,7 @@ public final class StaticContext {
     }
 
     public boolean isEcma5() {
-        return ecmaVersion == Translation.EcmaVersion.v5;
+        return ecmaVersion == EcmaVersion.v5;
     }
 
     @NotNull
diff --git a/js/js.translator/src/org/jetbrains/k2js/translate/general/Translation.java b/js/js.translator/src/org/jetbrains/k2js/translate/general/Translation.java
index 1aeeeecaaba..65abfa1a6a9 100644
--- a/js/js.translator/src/org/jetbrains/k2js/translate/general/Translation.java
+++ b/js/js.translator/src/org/jetbrains/k2js/translate/general/Translation.java
@@ -25,6 +25,7 @@ import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
 import org.jetbrains.jet.lang.psi.*;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.types.lang.JetStandardLibrary;
+import org.jetbrains.k2js.config.EcmaVersion;
 import org.jetbrains.k2js.facade.MainCallParameters;
 import org.jetbrains.k2js.facade.exceptions.MainFunctionNotFoundException;
 import org.jetbrains.k2js.facade.exceptions.TranslationException;
@@ -61,9 +62,6 @@ import static org.jetbrains.k2js.translate.utils.dangerous.DangerousData.collect
  *         Goal is to simplify interaction between translators.
  */
 public final class Translation {
-    public enum EcmaVersion {
-        v3, v5
-    }
 
     private Translation() {
     }