diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/name/Name.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/name/Name.java
index fb59c253235..ea8acace7a2 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/name/Name.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/name/Name.java
@@ -52,10 +52,16 @@ public final class Name implements Comparable<Name> {
 
     @NotNull
     public static Name identifier(@NotNull String name) {
-        NameUtils.requireIdentifier(name);
+        if (!isValidIdentifier(name)) {
+            throw new IllegalArgumentException("invalid identifier: " + name);
+        }
         return new Name(name, false);
     }
 
+    public static boolean isValidIdentifier(@NotNull String name) {
+        return !name.isEmpty() && !name.startsWith("<") && !name.contains(".") && !name.contains("/");
+    }
+
     /** Must be validated by caller */
     @NotNull
     public static Name identifierNoValidate(@NotNull String name) {
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/name/NameUtils.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/name/NameUtils.java
deleted file mode 100644
index fc621948504..00000000000
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/name/NameUtils.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright 2010-2013 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.jet.lang.resolve.name;
-
-import org.jetbrains.annotations.NotNull;
-
-public class NameUtils {
-
-    private NameUtils() {
-    }
-
-    public static boolean isValidIdentified(@NotNull String name) {
-        return name.length() > 0 && !name.startsWith("<") && !name.contains(".") && !name.contains("/");
-    }
-
-    public static void requireIdentifier(@NotNull String name) {
-        if (!isValidIdentified(name)) {
-            throw new IllegalArgumentException("invalid identifier: " + name);
-        }
-    }
-
-}
diff --git a/idea/src/org/jetbrains/jet/plugin/project/ResolveElementCache.java b/idea/src/org/jetbrains/jet/plugin/project/ResolveElementCache.java
index e7f30fbe904..f607f7007f0 100644
--- a/idea/src/org/jetbrains/jet/plugin/project/ResolveElementCache.java
+++ b/idea/src/org/jetbrains/jet/plugin/project/ResolveElementCache.java
@@ -42,7 +42,6 @@ import org.jetbrains.jet.lang.resolve.lazy.storage.MemoizedFunctionToNotNull;
 import org.jetbrains.jet.lang.resolve.lazy.storage.StorageManager;
 import org.jetbrains.jet.lang.resolve.name.FqName;
 import org.jetbrains.jet.lang.resolve.name.Name;
-import org.jetbrains.jet.lang.resolve.name.NameUtils;
 import org.jetbrains.jet.lang.resolve.scopes.JetScope;
 import org.jetbrains.jet.lang.resolve.scopes.WritableScope;
 import org.jetbrains.jet.lang.types.TypeConstructor;
@@ -178,7 +177,7 @@ public class ResolveElementCache {
             }
 
             Name name = packageNameExpression.getReferencedNameAsName();
-            if (NameUtils.isValidIdentified(name.asString())) {
+            if (Name.isValidIdentifier(name.asString())) {
                 if (trace.getBindingContext().get(BindingContext.REFERENCE_TARGET, packageNameExpression) == null) {
                     FqName fqName = header.getParentFqName(packageNameExpression).child(name);
                     NamespaceDescriptor packageDescriptor = resolveSession.getPackageDescriptorByFqName(fqName);