diff --git a/src/org/jetbrains/jet/j2k/ast/ReturnStatement.java b/src/org/jetbrains/jet/j2k/ast/ReturnStatement.java
deleted file mode 100644
index 1a266668bd2..00000000000
--- a/src/org/jetbrains/jet/j2k/ast/ReturnStatement.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * 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.jet.j2k.ast;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.j2k.util.AstUtil;
-
-/**
- * @author ignatov
- */
-public class ReturnStatement extends Statement {
-    private final Expression myExpression;
-    private String myConversion = EMPTY;
-
-    public ReturnStatement(Expression expression) {
-        myExpression = expression;
-    }
-
-    public ReturnStatement(final Expression expression, final String conversion) {
-        this(expression);
-        myConversion = conversion;
-    }
-
-    @NotNull
-    @Override
-    public String toKotlin() {
-        return "return" + SPACE + AstUtil.applyConversionForOneItem(myExpression.toKotlin(), myConversion);
-    }
-}
diff --git a/src/org/jetbrains/jet/j2k/ast/ReturnStatement.kt b/src/org/jetbrains/jet/j2k/ast/ReturnStatement.kt
new file mode 100644
index 00000000000..2403273b126
--- /dev/null
+++ b/src/org/jetbrains/jet/j2k/ast/ReturnStatement.kt
@@ -0,0 +1,5 @@
+package org.jetbrains.jet.j2k.ast
+
+public open class ReturnStatement(val expression: Expression): Statement() {
+    public override fun toKotlin() = "return " + expression.toKotlin()
+}
diff --git a/src/org/jetbrains/jet/j2k/util/AstUtil.java b/src/org/jetbrains/jet/j2k/util/AstUtil.java
index 7585d2dca5b..3171a651301 100644
--- a/src/org/jetbrains/jet/j2k/util/AstUtil.java
+++ b/src/org/jetbrains/jet/j2k/util/AstUtil.java
@@ -72,24 +72,6 @@ public class AstUtil {
         return string.substring(0, 1).toLowerCase() + string.substring(1);
     }
 
-    @NotNull
-    public static <T> List<String> createListWithEmptyString(@NotNull final List<T> arguments) {
-        final List<String> conversions = new LinkedList<String>();
-        //noinspection UnusedDeclaration
-        for (T argument : arguments) conversions.add("");
-        return conversions;
-    }
-
-    @NotNull
-    public static String applyConversionForOneItem(@NotNull String f, @NotNull String s) {
-        if (s.isEmpty()) {
-            return f;
-        }
-        else {
-            return "(" + f + ")" + s;
-        }
-    }
-
     @NotNull
     public static <T> T getOrElse(@NotNull Map<T, T> map, @NotNull T e, @NotNull T orElse) {
         if (map.containsKey(e)) {
@@ -97,12 +79,4 @@ public class AstUtil {
         }
         return orElse;
     }
-
-    @NotNull
-    public static String replaceLastQuest(@NotNull String str) {
-        if (str.endsWith("?")) {
-            return str.substring(0, str.length() - 1);
-        }
-        return str;
-    }
 }