diff --git a/compiler/frontend.java/src/org/jetbrains/kotlin/fileClasses/JvmFileClassUtil.kt b/compiler/frontend.java/src/org/jetbrains/kotlin/fileClasses/JvmFileClassUtil.kt
index 3db8cb05e88..99c3d87f428 100644
--- a/compiler/frontend.java/src/org/jetbrains/kotlin/fileClasses/JvmFileClassUtil.kt
+++ b/compiler/frontend.java/src/org/jetbrains/kotlin/fileClasses/JvmFileClassUtil.kt
@@ -22,16 +22,12 @@ import com.intellij.psi.util.CachedValuesManager
 import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.load.java.descriptors.getImplClassNameForDeserialized
 import org.jetbrains.kotlin.load.java.descriptors.getImplClassNameForProto
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
 import org.jetbrains.kotlin.load.kotlin.PackagePartClassUtils
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.psi.*
-import org.jetbrains.kotlin.serialization.ProtoBuf
 import org.jetbrains.kotlin.serialization.deserialization.NameResolver
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedCallableMemberDescriptor
-import org.jetbrains.kotlin.serialization.jvm.JvmProtoBuf
-
 
 public object JvmFileClassUtil {
     public val JVM_NAME: FqName = FqName("kotlin.jvm.JvmName")
diff --git a/compiler/light-classes/src/org/jetbrains/kotlin/asJava/StubClassBuilder.java b/compiler/light-classes/src/org/jetbrains/kotlin/asJava/StubClassBuilder.java
index fd5bfeefc7e..b8543c12bdf 100644
--- a/compiler/light-classes/src/org/jetbrains/kotlin/asJava/StubClassBuilder.java
+++ b/compiler/light-classes/src/org/jetbrains/kotlin/asJava/StubClassBuilder.java
@@ -25,7 +25,7 @@ import com.intellij.util.containers.Stack;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.kotlin.codegen.AbstractClassBuilder;
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils;
+import org.jetbrains.kotlin.load.kotlin.OldPackageFacadeClassUtils;
 import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.psi.KtFile;
 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin;
@@ -81,7 +81,7 @@ public class StubClassBuilder extends AbstractClassBuilder {
 
         if (origin instanceof KtFile) {
             FqName packageName = ((KtFile) origin).getPackageFqName();
-            String packageClassName = PackageClassUtils.getPackageClassName(packageName);
+            String packageClassName = OldPackageFacadeClassUtils.getPackageClassName(packageName);
 
             if (name.equals(packageClassName) || name.endsWith("/" + packageClassName)) {
                 isPackageClass = true;
diff --git a/compiler/tests/org/jetbrains/kotlin/cli/CliCommonTest.java b/compiler/tests/org/jetbrains/kotlin/cli/CliCommonTest.java
index 506db316c92..04a95fd00e5 100644
--- a/compiler/tests/org/jetbrains/kotlin/cli/CliCommonTest.java
+++ b/compiler/tests/org/jetbrains/kotlin/cli/CliCommonTest.java
@@ -16,8 +16,6 @@
 
 package org.jetbrains.kotlin.cli;
 
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils;
-import org.jetbrains.kotlin.name.FqName;
 import org.junit.Assert;
 import org.junit.Test;
 
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/AnnotationGenTest.java b/compiler/tests/org/jetbrains/kotlin/codegen/AnnotationGenTest.java
index c218cf4db7d..c03c745cd6b 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/AnnotationGenTest.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/AnnotationGenTest.java
@@ -18,7 +18,6 @@ package org.jetbrains.kotlin.codegen;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils;
 import org.jetbrains.kotlin.load.kotlin.PackagePartClassUtils;
 import org.jetbrains.kotlin.test.ConfigurationKind;
 
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/ClassGenTest.java b/compiler/tests/org/jetbrains/kotlin/codegen/ClassGenTest.java
index 908f19aae48..a64710dfbb6 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/ClassGenTest.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/ClassGenTest.java
@@ -16,8 +16,6 @@
 
 package org.jetbrains.kotlin.codegen;
 
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils;
-import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.name.SpecialNames;
 import org.jetbrains.kotlin.test.ConfigurationKind;
 
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/KotlinPackageAnnotationTest.java b/compiler/tests/org/jetbrains/kotlin/codegen/KotlinPackageAnnotationTest.java
index ebe8f188e93..8b79284aaa2 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/KotlinPackageAnnotationTest.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/KotlinPackageAnnotationTest.java
@@ -18,8 +18,6 @@ package org.jetbrains.kotlin.codegen;
 
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.kotlin.load.java.JvmAnnotationNames;
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils;
-import org.jetbrains.kotlin.load.kotlin.PackagePartClassUtils;
 import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.serialization.PackageData;
 import org.jetbrains.kotlin.serialization.ProtoBuf;
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/SyntheticMethodForAnnotatedPropertyGenTest.java b/compiler/tests/org/jetbrains/kotlin/codegen/SyntheticMethodForAnnotatedPropertyGenTest.java
index 3c557339894..7bc7b39731b 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/SyntheticMethodForAnnotatedPropertyGenTest.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/SyntheticMethodForAnnotatedPropertyGenTest.java
@@ -17,10 +17,7 @@
 package org.jetbrains.kotlin.codegen;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.kotlin.backend.common.output.OutputFile;
 import org.jetbrains.kotlin.load.java.JvmAbi;
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils;
-import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.name.Name;
 import org.jetbrains.kotlin.test.ConfigurationKind;
 
diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractSMAPBaseTest.kt b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractSMAPBaseTest.kt
index 6cb649b66c9..6deb81d5434 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractSMAPBaseTest.kt
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/AbstractSMAPBaseTest.kt
@@ -19,8 +19,6 @@ package org.jetbrains.kotlin.jvm.compiler
 import com.intellij.openapi.util.io.FileUtil
 import org.jetbrains.kotlin.backend.common.output.OutputFile
 import org.jetbrains.kotlin.codegen.inline.InlineCodegenUtil
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
-import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.test.InTextDirectivesUtils
 import org.jetbrains.org.objectweb.asm.ClassReader
diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/PackageClassUtils.java b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/OldPackageFacadeClassUtils.java
similarity index 90%
rename from core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/PackageClassUtils.java
rename to core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/OldPackageFacadeClassUtils.java
index 9e880aa6931..5c9cfe87fe2 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/PackageClassUtils.java
+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/OldPackageFacadeClassUtils.java
@@ -17,16 +17,15 @@
 package org.jetbrains.kotlin.load.kotlin;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.kotlin.resolve.jvm.JvmClassName;
 import org.jetbrains.kotlin.name.ClassId;
 import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.name.Name;
 
-public final class PackageClassUtils {
-    public static final String PACKAGE_CLASS_NAME_SUFFIX = "Package";
+public final class OldPackageFacadeClassUtils {
+    private static final String PACKAGE_CLASS_NAME_SUFFIX = "Package";
     private static final String DEFAULT_PACKAGE_CLASS_NAME = "_Default" + PACKAGE_CLASS_NAME_SUFFIX;
 
-    private PackageClassUtils() {
+    private OldPackageFacadeClassUtils() {
     }
 
     // ex. <root> -> _DefaultPackage, a -> APackage, a.b -> BPackage
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/DecompiledNavigationUtils.java b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/DecompiledNavigationUtils.java
index 4c5539c7fc7..dba41456e5e 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/DecompiledNavigationUtils.java
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/DecompiledNavigationUtils.java
@@ -46,7 +46,7 @@ import org.jetbrains.kotlin.types.expressions.ExpressionTypingUtils;
 
 import java.util.Collection;
 
-import static org.jetbrains.kotlin.load.kotlin.PackageClassUtils.getPackageClassId;
+import static org.jetbrains.kotlin.load.kotlin.OldPackageFacadeClassUtils.getPackageClassId;
 
 public final class DecompiledNavigationUtils {
 
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/textBuilder/DecompiledTextFactory.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/textBuilder/DecompiledTextFactory.kt
index 64d7ddafcc5..8516aed51a1 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/textBuilder/DecompiledTextFactory.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/textBuilder/DecompiledTextFactory.kt
@@ -23,7 +23,7 @@ import org.jetbrains.kotlin.idea.decompiler.findMultifileClassParts
 import org.jetbrains.kotlin.idea.decompiler.navigation.JsMetaFileUtils
 import org.jetbrains.kotlin.load.java.JvmAbi
 import org.jetbrains.kotlin.load.kotlin.KotlinBinaryClassCache
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
+import org.jetbrains.kotlin.load.kotlin.OldPackageFacadeClassUtils
 import org.jetbrains.kotlin.load.kotlin.header.isCompatibleClassKind
 import org.jetbrains.kotlin.load.kotlin.header.isCompatibleFileFacadeKind
 import org.jetbrains.kotlin.load.kotlin.header.isCompatibleMultifileClassKind
@@ -100,7 +100,7 @@ public fun buildDecompiledTextFromJsMetadata(
 }
 
 private fun resolveDeclarationsInPackage(packageFqName: FqName, resolver: ResolverForDecompiler) =
-        ArrayList(resolver.resolveDeclarationsInFacade(PackageClassUtils.getPackageClassFqName(packageFqName)))
+        ArrayList(resolver.resolveDeclarationsInFacade(OldPackageFacadeClassUtils.getPackageClassFqName(packageFqName)))
 
 private val DECOMPILED_CODE_COMMENT = "/* compiled code */"
 private val DECOMPILED_COMMENT_FOR_PARAMETER = "/* = compiled code */"
diff --git a/idea/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinFieldBreakpoint.kt b/idea/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinFieldBreakpoint.kt
index f9698366ab1..252047ea608 100644
--- a/idea/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinFieldBreakpoint.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinFieldBreakpoint.kt
@@ -47,7 +47,6 @@ import org.jetbrains.kotlin.fileClasses.JvmFileClassUtil
 import org.jetbrains.kotlin.idea.caches.resolve.analyze
 import org.jetbrains.kotlin.idea.util.application.runReadAction
 import org.jetbrains.kotlin.load.java.JvmAbi
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
 import org.jetbrains.kotlin.psi.KtCallableDeclaration
 import org.jetbrains.kotlin.psi.KtClassOrObject
 import org.jetbrains.kotlin.psi.KtParameter
diff --git a/idea/tests/org/jetbrains/kotlin/idea/decompiler/stubBuilder/KotlinJavaScriptStubConsistencyTest.kt b/idea/tests/org/jetbrains/kotlin/idea/decompiler/stubBuilder/KotlinJavaScriptStubConsistencyTest.kt
index 2b9931c817f..d6cd3a4af0d 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/decompiler/stubBuilder/KotlinJavaScriptStubConsistencyTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/decompiler/stubBuilder/KotlinJavaScriptStubConsistencyTest.kt
@@ -20,7 +20,7 @@ import com.intellij.openapi.vfs.VirtualFile
 import org.jetbrains.kotlin.idea.decompiler.textBuilder.buildDecompiledTextFromJsMetadata
 import org.jetbrains.kotlin.idea.test.KotlinStdJSProjectDescriptor
 import org.jetbrains.kotlin.idea.vfilefinder.JsVirtualFileFinder
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
+import org.jetbrains.kotlin.load.kotlin.OldPackageFacadeClassUtils
 import org.jetbrains.kotlin.load.kotlin.VirtualFileFinder
 import org.jetbrains.kotlin.name.FqName
 
@@ -28,7 +28,7 @@ public class KotlinJavaScriptStubConsistencyTest : StubConsistencyBaseTest() {
     override fun getFileIds() = listOf(
             "java.util", "jquery", "jquery.ui",
             "kotlin", "kotlin.browser", "kotlin.dom", "kotlin.js"
-    ).map { PackageClassUtils.getPackageClassId(FqName(it)) }
+    ).map { OldPackageFacadeClassUtils.getPackageClassId(FqName(it)) }
 
     override fun getVirtualFileFinder(): VirtualFileFinder =
         JsVirtualFileFinder.SERVICE.getInstance(getProject())
diff --git a/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/KotlinJavaScriptDecompiledTextConsistencyTest.kt b/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/KotlinJavaScriptDecompiledTextConsistencyTest.kt
index 851a97f79cc..7b006fb9cde 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/KotlinJavaScriptDecompiledTextConsistencyTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/KotlinJavaScriptDecompiledTextConsistencyTest.kt
@@ -23,7 +23,7 @@ import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.idea.test.KotlinStdJSProjectDescriptor
 import org.jetbrains.kotlin.idea.vfilefinder.JsVirtualFileFinder
 import org.jetbrains.kotlin.js.resolve.JsPlatform
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
+import org.jetbrains.kotlin.load.kotlin.OldPackageFacadeClassUtils
 import org.jetbrains.kotlin.load.kotlin.VirtualFileFinder
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.serialization.js.KotlinJavascriptSerializationUtil
@@ -65,6 +65,6 @@ public class KotlinJavaScriptDecompiledTextConsistencyTest : TextConsistencyBase
     override fun isFromFacade(descriptor: CallableMemberDescriptor, facadeFqName: FqName): Boolean {
         val containingDeclaration = descriptor.containingDeclaration
         return containingDeclaration is PackageFragmentDescriptor &&
-               facadeFqName == PackageClassUtils.getPackageClassFqName(containingDeclaration.fqName)
+               facadeFqName == OldPackageFacadeClassUtils.getPackageClassFqName(containingDeclaration.fqName)
     }
 }
diff --git a/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/TextConsistencyBaseTest.kt b/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/TextConsistencyBaseTest.kt
index cac65cf6775..2180b66537b 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/TextConsistencyBaseTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/decompiler/textBuilder/TextConsistencyBaseTest.kt
@@ -17,14 +17,13 @@
 package org.jetbrains.kotlin.idea.decompiler.textBuilder
 
 import com.intellij.openapi.vfs.VirtualFile
-import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
 import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.idea.test.KotlinLightCodeInsightFixtureTestCase
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
+import org.jetbrains.kotlin.load.kotlin.OldPackageFacadeClassUtils
 import org.jetbrains.kotlin.load.kotlin.VirtualFileFinder
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
@@ -55,7 +54,7 @@ public abstract class TextConsistencyBaseTest : KotlinLightCodeInsightFixtureTes
     }
 
     private fun doTestPackage(packageFqName: FqName) {
-        doTestClass(packageFqName, PackageClassUtils.getPackageClassId(packageFqName))
+        doTestClass(packageFqName, OldPackageFacadeClassUtils.getPackageClassId(packageFqName))
     }
 
     private fun doTestFacade(facadeFqName: FqName) {
diff --git a/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinBuilder.kt b/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinBuilder.kt
index c9dd9e3bb63..17562b6ee5f 100644
--- a/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinBuilder.kt
+++ b/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinBuilder.kt
@@ -28,7 +28,6 @@ import org.jetbrains.jps.builders.impl.BuildTargetRegistryImpl
 import org.jetbrains.jps.builders.impl.TargetOutputIndexImpl
 import org.jetbrains.jps.builders.java.JavaBuilderUtil
 import org.jetbrains.jps.builders.java.JavaSourceRootDescriptor
-import org.jetbrains.jps.builders.java.dependencyView.Mappings
 import org.jetbrains.jps.incremental.*
 import org.jetbrains.jps.incremental.ModuleLevelBuilder.ExitCode.*
 import org.jetbrains.jps.incremental.fs.CompilationRound
@@ -53,18 +52,16 @@ import org.jetbrains.kotlin.config.CompilerRunnerConstants
 import org.jetbrains.kotlin.config.CompilerRunnerConstants.INTERNAL_ERROR_PREFIX
 import org.jetbrains.kotlin.config.IncrementalCompilation
 import org.jetbrains.kotlin.config.Services
+import org.jetbrains.kotlin.daemon.common.isDaemonEnabled
 import org.jetbrains.kotlin.incremental.components.LookupTracker
 import org.jetbrains.kotlin.jps.JpsKotlinCompilerSettings
 import org.jetbrains.kotlin.jps.incremental.*
 import org.jetbrains.kotlin.load.kotlin.ModuleMapping
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCache
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCompilationComponents
 import org.jetbrains.kotlin.modules.TargetId
 import org.jetbrains.kotlin.progress.CompilationCanceledException
 import org.jetbrains.kotlin.progress.CompilationCanceledStatus
-import org.jetbrains.kotlin.resolve.jvm.JvmClassName
-import org.jetbrains.kotlin.daemon.common.isDaemonEnabled
 import org.jetbrains.kotlin.utils.LibraryUtils
 import org.jetbrains.kotlin.utils.PathUtil
 import org.jetbrains.kotlin.utils.keysToMap
@@ -417,20 +414,6 @@ public class KotlinBuilder : ModuleLevelBuilder(BuilderCategory.SOURCE_PROCESSOR
             filesToCompile: MultiMap<ModuleBuildTarget, File>,
             generatedClasses: List<GeneratedJvmClass>
     ) {
-        fun getOldSourceFiles(generatedClass: GeneratedJvmClass, previousMappings: Mappings): Collection<File> {
-            if (!generatedClass.outputFile.getName().endsWith(PackageClassUtils.PACKAGE_CLASS_NAME_SUFFIX + ".class")) return emptySet()
-
-            val classInternalName = JvmClassName.byClassId(generatedClass.outputClass.getClassId()).getInternalName()
-            val oldClassSources = previousMappings.getClassSources(previousMappings.getName(classInternalName))
-            if (oldClassSources == null) return emptySet()
-
-            val sources = THashSet(FileUtil.FILE_HASHING_STRATEGY)
-            sources.addAll(oldClassSources)
-            sources.removeAll(filesToCompile[generatedClass.target])
-            sources.removeAll(dirtyFilesHolder.getRemovedFiles(generatedClass.target).map { File(it) })
-            return sources
-        }
-
         assert(IncrementalCompilation.isEnabled()) { "updateJavaMappings should not be called when incremental compilation disabled" }
 
         val previousMappings = context.getProjectDescriptor().dataManager.getMappings()
@@ -438,15 +421,10 @@ public class KotlinBuilder : ModuleLevelBuilder(BuilderCategory.SOURCE_PROCESSOR
         val callback = delta.getCallback()
 
         for (generatedClass in generatedClasses) {
-            val outputFile = generatedClass.outputFile
-            val outputClass = generatedClass.outputClass
-
-            // For package facade classes: we need to report all source files for it, not only currently compiled
-            val allSourcesIncludingOld = getOldSourceFiles(generatedClass, previousMappings) + generatedClass.sourceFiles
-
-            callback.associate(FileUtil.toSystemIndependentName(outputFile.getAbsolutePath()),
-                               allSourcesIncludingOld.map { FileUtil.toSystemIndependentName(it.getAbsolutePath()) },
-                               ClassReader(outputClass.getFileContents())
+            callback.associate(
+                    FileUtil.toSystemIndependentName(generatedClass.outputFile.getAbsolutePath()),
+                    generatedClass.sourceFiles.map { FileUtil.toSystemIndependentName(it.getAbsolutePath()) },
+                    ClassReader(generatedClass.outputClass.getFileContents())
             )
         }