diff --git a/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/CompilingEvaluatorUtils.java b/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/CompilingEvaluatorUtils.java
index a69966ac95e..b1a58d3a2d3 100644
--- a/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/CompilingEvaluatorUtils.java
+++ b/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/CompilingEvaluatorUtils.java
@@ -15,43 +15,19 @@
  */
 package org.jetbrains.kotlin.idea.debugger.evaluate;
 
-import com.intellij.debugger.engine.DebugProcess;
-import com.intellij.debugger.engine.SuspendContextImpl;
-import com.intellij.debugger.engine.evaluation.EvaluateException;
-import com.intellij.debugger.engine.evaluation.EvaluationContext;
-import com.intellij.debugger.jdi.VirtualMachineProxyImpl;
-import com.sun.jdi.*;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.org.objectweb.asm.ClassReader;
 import org.jetbrains.org.objectweb.asm.ClassVisitor;
 import org.jetbrains.org.objectweb.asm.ClassWriter;
 import org.jetbrains.org.objectweb.asm.Opcodes;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-
-// Copied from com.intellij.debugger.ui.impl.watch.CompilingEvaluator
 public class CompilingEvaluatorUtils {
-    public static ClassLoaderReference getClassLoader(EvaluationContext context, DebugProcess process)
-            throws EvaluateException, InvocationException, InvalidTypeException, ClassNotLoadedException, IncompatibleThreadStateException {
-        // TODO: cache
-        ClassType loaderClass = (ClassType)process.findClass(context, "java.net.URLClassLoader", context.getClassLoader());
-        Method ctorMethod = loaderClass.concreteMethodByName("<init>", "([Ljava/net/URL;Ljava/lang/ClassLoader;)V");
-        ClassLoaderReference reference = (ClassLoaderReference)process.newInstance(context, loaderClass, ctorMethod, Arrays.asList(createURLArray(context), context.getClassLoader()));
-        keep(reference, context);
-        return reference;
-    }
-
-    public static void keep(ObjectReference reference, EvaluationContext context) {
-        ((SuspendContextImpl)context.getSuspendContext()).keep(reference);
-    }
-
+    // Copied from com.intellij.debugger.ui.impl.watch.CompilingEvaluator.changeSuperToMagicAccessor
     public static byte[] changeSuperToMagicAccessor(byte[] bytes) {
         ClassWriter classWriter = new ClassWriter(0);
-        ClassVisitor classVisitor = new ClassVisitor(Opcodes.ASM5, classWriter) {
+        ClassVisitor classVisitor = new ClassVisitor(Opcodes.API_VERSION, classWriter) {
             @Override
-            public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
+            public void visit(int version, int access, @NotNull String name, String signature, String superName, String[] interfaces) {
                 if ("java/lang/Object".equals(superName)) {
                     superName = "sun/reflect/MagicAccessorImpl";
                 }
@@ -61,54 +37,4 @@ public class CompilingEvaluatorUtils {
         new ClassReader(bytes).accept(classVisitor, 0);
         return classWriter.toByteArray();
     }
-
-    public static ArrayReference mirrorOf(byte[] bytes, EvaluationContext context, DebugProcess process)
-            throws EvaluateException, InvalidTypeException, ClassNotLoadedException {
-        ArrayType arrayClass = (ArrayType)process.findClass(context, "byte[]", context.getClassLoader());
-        ArrayReference reference = process.newInstance(arrayClass, bytes.length);
-        keep(reference, context);
-        for (int i = 0; i < bytes.length; i++) {
-            reference.setValue(i, ((VirtualMachineProxyImpl)process.getVirtualMachineProxy()).mirrorOf(bytes[i]));
-        }
-        return reference;
-    }
-
-    public static void defineClass(
-            @NotNull String className,
-            byte[] bytecodes,
-            @NotNull EvaluationContext context,
-            @NotNull DebugProcess process,
-            @NotNull ClassLoaderReference classLoader
-    ) throws ClassNotLoadedException, EvaluateException, InvalidTypeException {
-        VirtualMachineProxyImpl proxy = (VirtualMachineProxyImpl)process.getVirtualMachineProxy();
-
-        Method defineMethod =
-                ((ClassType)classLoader.referenceType()).concreteMethodByName("defineClass", "(Ljava/lang/String;[BII)Ljava/lang/Class;");
-        byte[] bytes = changeSuperToMagicAccessor(bytecodes);
-        ArrayList<Value> args = new ArrayList<Value>();
-        StringReference name = proxy.mirrorOf(className);
-        keep(name, context);
-        args.add(name);
-        args.add(mirrorOf(bytes, context, process));
-        args.add(proxy.mirrorOf(0));
-        args.add(proxy.mirrorOf(bytes.length));
-        process.invokeMethod(context, classLoader, defineMethod, args);
-    }
-
-    private static ArrayReference createURLArray(EvaluationContext context)
-            throws EvaluateException, InvocationException, InvalidTypeException, ClassNotLoadedException, IncompatibleThreadStateException {
-        DebugProcess process = context.getDebugProcess();
-        ArrayType arrayType = (ArrayType)process.findClass(context, "java.net.URL[]", context.getClassLoader());
-        ArrayReference arrayRef = arrayType.newInstance(1);
-        keep(arrayRef, context);
-        ClassType classType = (ClassType)process.findClass(context, "java.net.URL", context.getClassLoader());
-        VirtualMachineProxyImpl proxy = (VirtualMachineProxyImpl)process.getVirtualMachineProxy();
-        StringReference url = proxy.mirrorOf("file:a");
-        keep(url, context);
-        ObjectReference reference = process.newInstance(context, classType, classType.concreteMethodByName("<init>", "(Ljava/lang/String;)V"),
-                                                        Collections.singletonList(url));
-        keep(reference, context);
-        arrayRef.setValues(Collections.singletonList(reference));
-        return arrayRef;
-    }
 }
diff --git a/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/compilingEvaluator.kt b/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/compilingEvaluator.kt
index 3250d405b09..6ae3644140e 100644
--- a/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/compilingEvaluator.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/compilingEvaluator.kt
@@ -20,6 +20,7 @@ import com.intellij.debugger.engine.DebugProcess
 import com.intellij.debugger.engine.evaluation.EvaluateException
 import com.intellij.debugger.engine.evaluation.EvaluationContext
 import com.intellij.debugger.engine.evaluation.EvaluationContextImpl
+import com.intellij.debugger.impl.ClassLoadingUtils
 import com.intellij.openapi.projectRoots.JdkVersionUtil
 import com.intellij.openapi.util.SystemInfo
 import com.sun.jdi.ClassLoaderReference
@@ -30,7 +31,7 @@ fun loadClasses(evaluationContext: EvaluationContextImpl, classes: Collection<Pa
 
     val classLoader: ClassLoaderReference
     try {
-        classLoader = CompilingEvaluatorUtils.getClassLoader(evaluationContext, process)
+        classLoader = ClassLoadingUtils.getClassLoader(evaluationContext, process)
     }
     catch (e: Exception) {
         throw EvaluateException("Error creating evaluation class loader: " + e, e)
@@ -61,7 +62,8 @@ private fun defineClasses(
 ) {
     val lambdaSuperclasses = LAMBDA_SUPERCLASSES.map { it.name to it.bytes }
     for ((className, bytes) in lambdaSuperclasses + classes) {
-        CompilingEvaluatorUtils.defineClass(className, bytes, context, process, classLoader)
+        val patchedBytes = CompilingEvaluatorUtils.changeSuperToMagicAccessor(bytes)
+        ClassLoadingUtils.defineClass(className, patchedBytes, context, process, classLoader)
     }
 }