diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassFileFactory.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassFileFactory.java
index 32d776818cd..70253a576db 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassFileFactory.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassFileFactory.java
@@ -185,9 +185,16 @@ public class ClassFileFactory implements OutputFileCollection {
     @NotNull
     @TestOnly
     public String createText() {
+        return createText(null);
+    }
+
+    @NotNull
+    @TestOnly
+    public String createText(@Nullable String ignorePrefixPath) {
         StringBuilder answer = new StringBuilder();
 
         for (OutputFile file : asList()) {
+            if (ignorePrefixPath != null && file.getRelativePath().startsWith(ignorePrefixPath)) continue;
             File relativePath = new File(file.getRelativePath());
             answer.append("@").append(relativePath).append('\n');
             switch (FilesKt.getExtension(relativePath)) {
diff --git a/compiler/testData/codegen/bytecodeText/constCoroutine.kt b/compiler/testData/codegen/bytecodeText/constCoroutine.kt
index 5296a11ea51..7eaffcbaf17 100644
--- a/compiler/testData/codegen/bytecodeText/constCoroutine.kt
+++ b/compiler/testData/codegen/bytecodeText/constCoroutine.kt
@@ -24,5 +24,4 @@ fun box(): String {
 
 // 2 GETSTATIC kotlin/Unit.INSTANCE
 // 1 GETSTATIC helpers/EmptyContinuation.Companion
-// 4 GETSTATIC kotlin\/coroutines\/experimental\/EmptyCoroutineContext.INSTANCE
-// 7 GETSTATIC
+// 3 GETSTATIC
diff --git a/compiler/testData/codegen/bytecodeText/coroutines/varValueConflictsWithTable.kt b/compiler/testData/codegen/bytecodeText/coroutines/varValueConflictsWithTable.kt
index 796c4e33fe9..c83cc168069 100644
--- a/compiler/testData/codegen/bytecodeText/coroutines/varValueConflictsWithTable.kt
+++ b/compiler/testData/codegen/bytecodeText/coroutines/varValueConflictsWithTable.kt
@@ -1,10 +1,10 @@
+// LANGUAGE_VERSION: 1.3
 // WITH_RUNTIME
-// COMMON_COROUTINES_TEST
 // WITH_COROUTINES
 import helpers.*
 // TREAT_AS_ONE_FILE
-import COROUTINES_PACKAGE.*
-import COROUTINES_PACKAGE.intrinsics.*
+import kotlin.coroutines.*
+import kotlin.coroutines.intrinsics.*
 suspend fun suspendHere(): String = suspendCoroutineOrReturn { x ->
     x.resume("OK")
 }
@@ -42,8 +42,8 @@ fun box(): String {
     return result
 }
 
-// 1 LOCALVARIABLE i I L.* 3
-// 1 LOCALVARIABLE s Ljava/lang/String; L.* 3
+// 1 LOCALVARIABLE i I L.* 2
+// 1 LOCALVARIABLE s Ljava/lang/String; L.* 2
 // 0 PUTFIELD VarValueConflictsWithTableKt\$box\$1.I\$0 : I
 /* 2 loads in cycle */
-// 2 ILOAD 3
\ No newline at end of file
+// 2 ILOAD 2
diff --git a/compiler/testData/codegen/bytecodeText/coroutines/varValueConflictsWithTableSameSort.kt b/compiler/testData/codegen/bytecodeText/coroutines/varValueConflictsWithTableSameSort.kt
index 3a264dd4af9..c900fd580b4 100644
--- a/compiler/testData/codegen/bytecodeText/coroutines/varValueConflictsWithTableSameSort.kt
+++ b/compiler/testData/codegen/bytecodeText/coroutines/varValueConflictsWithTableSameSort.kt
@@ -1,13 +1,11 @@
+// LANGUAGE_VERSION: 1.3
 // WITH_RUNTIME
-// COMMON_COROUTINES_TEST
 // WITH_COROUTINES
 import helpers.*
 // TREAT_AS_ONE_FILE
-import COROUTINES_PACKAGE.*
-import COROUTINES_PACKAGE.intrinsics.*
-suspend fun suspendHere(): String = suspendCoroutineOrReturn { x ->
-    x.resume("OK")
-}
+import kotlin.coroutines.*
+import kotlin.coroutines.intrinsics.*
+suspend fun suspendHere(): String = ""
 
 fun builder(c: suspend () -> Unit) {
     c.startCoroutine(EmptyContinuation)
@@ -17,6 +15,7 @@ fun box(): String {
     var result = "fail 1"
 
     builder {
+        var shiftSlot: String = ""
         // Initialize var with Int value
         try {
             var i: String = "abc"
diff --git a/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/AbstractBytecodeTextTest.kt b/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/AbstractBytecodeTextTest.kt
index 1c203d3b5cf..4cda4b8488c 100644
--- a/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/AbstractBytecodeTextTest.kt
+++ b/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/AbstractBytecodeTextTest.kt
@@ -29,7 +29,7 @@ abstract class AbstractBytecodeTextTest : CodegenTestCase() {
         }
         else {
             val expected = readExpectedOccurrences(wholeFile.path)
-            val actual = generateToText()
+            val actual = generateToText("helpers/")
             checkGeneratedTextAgainstExpectedOccurrences(actual, expected)
         }
     }
diff --git a/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/CodegenTestCase.java b/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/CodegenTestCase.java
index 483ce03d52d..344c10afdc4 100644
--- a/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/CodegenTestCase.java
+++ b/compiler/tests-common/tests/org/jetbrains/kotlin/codegen/CodegenTestCase.java
@@ -480,10 +480,15 @@ public abstract class CodegenTestCase extends KtUsefulTestCase {
 
     @NotNull
     protected String generateToText() {
+        return generateToText(null);
+    }
+
+    @NotNull
+    protected String generateToText(@Nullable String ignorePathPrefix) {
         if (classFileFactory == null) {
             classFileFactory = generateFiles(myEnvironment, myFiles);
         }
-        return classFileFactory.createText();
+        return classFileFactory.createText(ignorePathPrefix);
     }
 
     @NotNull