diff --git a/js/js.libraries/src/core/javautil.kt b/js/js.libraries/src/core/javautil.kt
deleted file mode 100644
index 001db444179..00000000000
--- a/js/js.libraries/src/core/javautil.kt
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright 2010-2016 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 java.util
-
-
-// TODO: Not supported
-// typealias Date = kotlin.js.Date
-
-@Deprecated("Use kotlin.js.Date instead", ReplaceWith("kotlin.js.Date"), level = DeprecationLevel.ERROR)
-public external class Date() {
-    public fun getTime(): Int
-}
-
-@Deprecated("Use kotlin.collections.RandomAccess instead", ReplaceWith("kotlin.collections.RandomAccess"), level = DeprecationLevel.ERROR)
-public typealias RandomAccess = kotlin.collections.RandomAccess
-@Deprecated("Use kotlin.collections.ArrayList instead", ReplaceWith("kotlin.collections.ArrayList<E>"), level = DeprecationLevel.ERROR)
-public typealias ArrayList<E> = kotlin.collections.ArrayList<E>
-@Deprecated("Use kotlin.collections.HashSet instead", ReplaceWith("kotlin.collections.HashSet<E>"), level = DeprecationLevel.ERROR)
-public typealias HashSet<E> = kotlin.collections.HashSet<E>
-@Deprecated("Use kotlin.collections.LinkedHashSet instead", ReplaceWith("kotlin.collections.LinkedHashSet<E>"), level = DeprecationLevel.ERROR)
-public typealias LinkedHashSet<E> = kotlin.collections.LinkedHashSet<E>
-@Deprecated("Use kotlin.collections.HashMap instead", ReplaceWith("kotlin.collections.HashMap<E>"), level = DeprecationLevel.ERROR)
-public typealias HashMap<K, V> = kotlin.collections.HashMap<K, V>
-@Deprecated("Use kotlin.collections.LinkedHashMap instead", ReplaceWith("kotlin.collections.LinkedHashMap<E>"), level = DeprecationLevel.ERROR)
-public typealias LinkedHashMap<K, V> = kotlin.collections.LinkedHashMap<K, V>
-
-@Deprecated("Use AbstractCollection or AbstractMutableCollection from kotlin.collections", ReplaceWith("kotlin.collections.AbstractMutableCollection<E>"), level = DeprecationLevel.ERROR)
-public abstract class AbstractCollection<E> : kotlin.collections.AbstractMutableCollection<E>() {
-    override fun add(element: E): Boolean = throw UnsupportedOperationException()
-}
-
-@Deprecated("Use AbstractList or AbstractMutableList from kotlin.collections", ReplaceWith("kotlin.collections.AbstractMutableList<E>"), level = DeprecationLevel.ERROR)
-public abstract class AbstractList<E> : kotlin.collections.AbstractMutableList<E>() {
-    override fun add(index: Int, element: E): Unit = throw UnsupportedOperationException()
-    override fun removeAt(index: Int): E = throw UnsupportedOperationException()
-    override fun set(index: Int, element: E): E = throw UnsupportedOperationException()
-}