diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/InlineTestUtil.kt b/compiler/tests/org/jetbrains/kotlin/codegen/InlineTestUtil.kt
index 96954517752..4f281a4a8bd 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/InlineTestUtil.kt
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/InlineTestUtil.kt
@@ -23,16 +23,14 @@ import org.jetbrains.kotlin.load.java.JvmAnnotationNames
 import org.jetbrains.kotlin.load.kotlin.FileBasedKotlinClass
 import org.jetbrains.kotlin.load.kotlin.header.KotlinClassHeader
 import org.jetbrains.kotlin.psi.KtFile
-import org.jetbrains.kotlin.resolve.jvm.JvmClassName
 import org.jetbrains.kotlin.test.InTextDirectivesUtils
 import org.jetbrains.org.objectweb.asm.*
 import org.jetbrains.org.objectweb.asm.tree.MethodNode
 import java.util.*
-import kotlin.properties.Delegates
 
 object InlineTestUtil {
     private val KOTLIN_MULTIFILE_CLASS_DESC =
-            "L" + AsmUtil.internalNameByFqNameWithoutInnerClasses(JvmAnnotationNames.KOTLIN_MULTIFILE_CLASS) + ";"
+            AsmUtil.asmDescByFqNameWithoutInnerClasses(JvmAnnotationNames.KOTLIN_MULTIFILE_CLASS)
 
     fun checkNoCallsToInline(files: Iterable<OutputFile>, sourceFiles: List<KtFile>) {
         val inlineInfo = obtainInlineInfo(files)
@@ -42,16 +40,16 @@ object InlineTestUtil {
         val notInlinedCalls = checkInlineMethodNotInvoked(files, inlineMethods)
         assert(notInlinedCalls.isEmpty()) { "All inline methods should be inlined but:\n" + notInlinedCalls.joinToString("\n") }
 
-
-        val skipParameterChecking =
-                sourceFiles.asSequence().filter {
-                    InTextDirectivesUtils.isDirectiveDefined(it.text, "NO_CHECK_LAMBDA_INLINING")
-                }.any()
+        val skipParameterChecking = sourceFiles.any {
+            InTextDirectivesUtils.isDirectiveDefined(it.text, "NO_CHECK_LAMBDA_INLINING")
+        }
 
         if (!skipParameterChecking) {
             val notInlinedParameters = checkParametersInlined(files, inlineInfo)
-            assert(notInlinedParameters.isEmpty()) { "All inline parameters should be inlined but:\n${notInlinedParameters.joinToString("\n")}\n" +
-                                                     "but if you have not inlined lambdas or anonymous objects enable NO_CHECK_LAMBDA_INLINING directive" }
+            assert(notInlinedParameters.isEmpty()) {
+                "All inline parameters should be inlined but:\n${notInlinedParameters.joinToString("\n")}\n" +
+                "but if you have not inlined lambdas or anonymous objects enable NO_CHECK_LAMBDA_INLINING directive"
+            }
         }
     }
 
@@ -110,7 +108,7 @@ object InlineTestUtil {
                             if (inlinedMethods.contains(methodCall)) {
                                 val fromCall = MethodInfo(className, this.name, this.desc)
 
-                                //skip delegation to trait impl from child class
+                                //skip delegation to interface DefaultImpls from child class
                                 if (methodCall.owner.endsWith(JvmAbi.DEFAULT_IMPLS_SUFFIX) && fromCall.owner != methodCall.owner) {
                                     return
                                 }
@@ -129,42 +127,37 @@ object InlineTestUtil {
         val inlinedMethods = inlineInfo.inlineMethods
         val notInlinedParameters = ArrayList<NotInlinedParameter>()
         for (file in files) {
-            val kotlinClassHeader = getClassHeader(file)
-            if (isClassOrPackagePartKind(kotlinClassHeader)) {
-                val cr = ClassReader(file.asByteArray())
+            if (!isClassOrPackagePartKind(getClassHeader(file))) continue
 
-                cr.accept(object : ClassVisitorWithName() {
+            ClassReader(file.asByteArray()).accept(object : ClassVisitorWithName() {
+                override fun visitMethod(access: Int, name: String, desc: String, signature: String?, exceptions: Array<String>?): MethodVisitor? {
+                    val declaration = MethodInfo(className, name, desc)
+                    //do not check anonymous object creation in inline functions and in package facades
+                    if (declaration in inlinedMethods) {
+                        return null
+                    }
 
-                    override fun visitMethod(access: Int, name: String, desc: String, signature: String?, exceptions: Array<String>?): MethodVisitor? {
-                        JvmClassName.byInternalName(className).fqNameForClassNameWithoutDollars
-                        val declaration = MethodInfo(className, name, desc)
-                        //do not check anonymous object creation in inline functions and in package facades
-                        if (declaration in inlinedMethods) {
-                            return null
+                    return object : MethodNode(Opcodes.ASM5, access, name, desc, signature, exceptions) {
+                        private fun isInlineParameterLikeOwner(owner: String) =
+                                "$" in owner && !isTopLevelOrInnerOrPackageClass(owner, inlineInfo)
+
+                        override fun visitMethodInsn(opcode: Int, owner: String, name: String, desc: String, itf: Boolean) {
+                            if ("<init>".equals(name) && isInlineParameterLikeOwner(owner)) {
+                                val fromCall = MethodInfo(className, this.name, this.desc)
+                                notInlinedParameters.add(NotInlinedParameter(owner, fromCall))
+                            }
                         }
 
-                        return object : MethodNode(Opcodes.ASM5, access, name, desc, signature, exceptions) {
-                            private fun isInlineParameterLikeOwner(owner: String) = owner.contains("$") && !isTopLevelOrInnerOrPackageClass(owner, inlineInfo)
-
-                            override fun visitMethodInsn(opcode: Int, owner: String, name: String, desc: String, itf: Boolean) {
-                                if ("<init>".equals(name) && isInlineParameterLikeOwner(owner)) {
-                                    /*constuctor creation*/
-                                    val fromCall = MethodInfo(className, this.name, this.desc)
-                                    notInlinedParameters.add(NotInlinedParameter(owner, fromCall))
-                                }
-                            }
-
-                            override fun visitFieldInsn(opcode: Int, owner: String, name: String, desc: String) {
-                                if (opcode == Opcodes.GETSTATIC && isInlineParameterLikeOwner(owner)) {
-                                    val fromCall = MethodInfo(className, this.name, this.desc)
-                                    notInlinedParameters.add(NotInlinedParameter(owner, fromCall))
-                                }
-                                super.visitFieldInsn(opcode, owner, name, desc)
+                        override fun visitFieldInsn(opcode: Int, owner: String, name: String, desc: String) {
+                            if (opcode == Opcodes.GETSTATIC && isInlineParameterLikeOwner(owner)) {
+                                val fromCall = MethodInfo(className, this.name, this.desc)
+                                notInlinedParameters.add(NotInlinedParameter(owner, fromCall))
                             }
+                            super.visitFieldInsn(opcode, owner, name, desc)
                         }
                     }
-                }, 0)
-            }
+                }
+            }, 0)
         }
 
         return notInlinedParameters
@@ -202,9 +195,8 @@ object InlineTestUtil {
 
     private data class MethodInfo(val owner: String, val name: String, val desc: String)
 
-    open private class ClassVisitorWithName() : ClassVisitor(Opcodes.ASM5) {
-
-        var className: String by Delegates.notNull()
+    private open class ClassVisitorWithName : ClassVisitor(Opcodes.ASM5) {
+        lateinit var className: String
 
         override fun visit(version: Int, access: Int, name: String, signature: String?, superName: String?, interfaces: Array<String>?) {
             className = name