diff --git a/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/platform/JvmPlatform.kt b/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/platform/JvmPlatform.kt
index a97251e1211..1e90f5861d9 100644
--- a/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/platform/JvmPlatform.kt
+++ b/compiler/frontend.java/src/org/jetbrains/kotlin/resolve/jvm/platform/JvmPlatform.kt
@@ -19,8 +19,6 @@ package org.jetbrains.kotlin.resolve.jvm.platform
 import org.jetbrains.kotlin.builtins.DefaultBuiltIns
 import org.jetbrains.kotlin.descriptors.ModuleParameters
 import org.jetbrains.kotlin.name.FqName
-import org.jetbrains.kotlin.platform.JavaToKotlinClassMap
-import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap
 import org.jetbrains.kotlin.resolve.DescriptorUtils
 import org.jetbrains.kotlin.resolve.ImportPath
 import org.jetbrains.kotlin.resolve.PlatformConfigurator
@@ -31,8 +29,6 @@ import java.util.*
 
 object JvmPlatform : TargetPlatform("JVM") {
     override val defaultModuleParameters = object : ModuleParameters {
-        override val platformToKotlinClassMap: PlatformToKotlinClassMap
-            get() = JavaToKotlinClassMap.INSTANCE
         override val defaultImports: List<ImportPath>
             get() = DEFAULT_IMPORTS_FOR_JVM
         override val excludedImports: List<FqName>
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/context/context.kt b/compiler/frontend/src/org/jetbrains/kotlin/context/context.kt
index 2b58a0e71cb..1152bf28735 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/context/context.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/context/context.kt
@@ -23,7 +23,6 @@ import org.jetbrains.kotlin.descriptors.ModuleParameters
 import org.jetbrains.kotlin.descriptors.PackageFragmentProvider
 import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap
 import org.jetbrains.kotlin.resolve.TargetPlatform
 import org.jetbrains.kotlin.resolve.createModule
 import org.jetbrains.kotlin.storage.ExceptionTracker
@@ -41,9 +40,6 @@ interface ProjectContext : GlobalContext {
 
 interface ModuleContext : ProjectContext {
     val module: ModuleDescriptor
-
-    val platformToKotlinClassMap: PlatformToKotlinClassMap
-        get() = module.platformToKotlinClassMap
 }
 
 interface MutableModuleContext: ModuleContext {
diff --git a/compiler/frontend/src/org/jetbrains/kotlin/frontend/di/injection.kt b/compiler/frontend/src/org/jetbrains/kotlin/frontend/di/injection.kt
index 6eea22abc11..611c9d0dd76 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/frontend/di/injection.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/frontend/di/injection.kt
@@ -40,7 +40,6 @@ fun StorageComponentContainer.configureModule(
     useInstance(moduleContext.project)
     useInstance(moduleContext.storageManager)
     useInstance(moduleContext.module.builtIns)
-    useInstance(moduleContext.platformToKotlinClassMap)
 
     useInstance(platform)
 
diff --git a/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/RuntimeModuleData.kt b/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/RuntimeModuleData.kt
index 3bf82f56b32..f51b6ed135d 100644
--- a/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/RuntimeModuleData.kt
+++ b/core/descriptors.runtime/src/org/jetbrains/kotlin/load/kotlin/reflect/RuntimeModuleData.kt
@@ -32,7 +32,6 @@ import org.jetbrains.kotlin.load.kotlin.DeserializationComponentsForJava
 import org.jetbrains.kotlin.load.kotlin.DeserializedDescriptorResolver
 import org.jetbrains.kotlin.load.kotlin.JavaClassDataFinder
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.platform.JavaToKotlinClassMap
 import org.jetbrains.kotlin.platform.JvmBuiltIns
 import org.jetbrains.kotlin.resolve.jvm.JavaDescriptorResolver
 import org.jetbrains.kotlin.serialization.deserialization.DeserializationComponents
@@ -46,8 +45,9 @@ class RuntimeModuleData private constructor(val deserialization: Deserialization
         fun create(classLoader: ClassLoader): RuntimeModuleData {
             val storageManager = LockBasedStorageManager()
             val builtIns = JvmBuiltIns(storageManager)
-            val module = ModuleDescriptorImpl(Name.special("<runtime module for $classLoader>"), storageManager,
-                                              ModuleParameters(emptyList(), emptyList(), JavaToKotlinClassMap.INSTANCE), builtIns)
+            val module = ModuleDescriptorImpl(
+                    Name.special("<runtime module for $classLoader>"), storageManager, ModuleParameters.Empty, builtIns
+            )
 
             val reflectKotlinClassFinder = ReflectKotlinClassFinder(classLoader)
             val deserializedDescriptorResolver = DeserializedDescriptorResolver(RuntimeErrorReporter)
diff --git a/core/descriptors/src/org/jetbrains/kotlin/descriptors/ModuleDescriptor.kt b/core/descriptors/src/org/jetbrains/kotlin/descriptors/ModuleDescriptor.kt
index 2866a1b54a7..c8f5295498a 100644
--- a/core/descriptors/src/org/jetbrains/kotlin/descriptors/ModuleDescriptor.kt
+++ b/core/descriptors/src/org/jetbrains/kotlin/descriptors/ModuleDescriptor.kt
@@ -19,7 +19,6 @@ package org.jetbrains.kotlin.descriptors
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
-import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap
 import org.jetbrains.kotlin.resolve.ImportPath
 import org.jetbrains.kotlin.types.TypeSubstitutor
 
@@ -50,17 +49,8 @@ interface ModuleDescriptor : DeclarationDescriptor, ModuleParameters {
 interface ModuleParameters {
     val defaultImports: List<ImportPath>
     val excludedImports: List<FqName> get() = emptyList()
-    val platformToKotlinClassMap: PlatformToKotlinClassMap
 
-    object Empty: ModuleParameters {
+    object Empty : ModuleParameters {
         override val defaultImports: List<ImportPath> = emptyList()
-        override val platformToKotlinClassMap: PlatformToKotlinClassMap = PlatformToKotlinClassMap.EMPTY
     }
 }
-
-fun ModuleParameters(defaultImports: List<ImportPath>, excludedImports: List<FqName>, platformToKotlinClassMap: PlatformToKotlinClassMap): ModuleParameters =
-        object : ModuleParameters {
-            override val defaultImports: List<ImportPath> = defaultImports
-            override val excludedImports: List<FqName> get() = excludedImports
-            override val platformToKotlinClassMap: PlatformToKotlinClassMap = platformToKotlinClassMap
-        }
diff --git a/core/descriptors/src/org/jetbrains/kotlin/types/ErrorUtils.java b/core/descriptors/src/org/jetbrains/kotlin/types/ErrorUtils.java
index 2070cd56348..ef5887304a3 100644
--- a/core/descriptors/src/org/jetbrains/kotlin/types/ErrorUtils.java
+++ b/core/descriptors/src/org/jetbrains/kotlin/types/ErrorUtils.java
@@ -23,14 +23,13 @@ import org.jetbrains.kotlin.builtins.DefaultBuiltIns;
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns;
 import org.jetbrains.kotlin.descriptors.*;
 import org.jetbrains.kotlin.descriptors.annotations.Annotations;
-import org.jetbrains.kotlin.descriptors.impl.ClassDescriptorImpl;
 import org.jetbrains.kotlin.descriptors.impl.ClassConstructorDescriptorImpl;
+import org.jetbrains.kotlin.descriptors.impl.ClassDescriptorImpl;
 import org.jetbrains.kotlin.descriptors.impl.PropertyDescriptorImpl;
 import org.jetbrains.kotlin.descriptors.impl.TypeParameterDescriptorImpl;
 import org.jetbrains.kotlin.incremental.components.LookupLocation;
 import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.name.Name;
-import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap;
 import org.jetbrains.kotlin.resolve.ImportPath;
 import org.jetbrains.kotlin.resolve.descriptorUtil.DescriptorUtilsKt;
 import org.jetbrains.kotlin.resolve.scopes.DescriptorKindFilter;
@@ -57,12 +56,6 @@ public class ErrorUtils {
                 return null;
             }
 
-            @NotNull
-            @Override
-            public PlatformToKotlinClassMap getPlatformToKotlinClassMap() {
-                throw new IllegalStateException("Should not be called!");
-            }
-
             @NotNull
             @Override
             public List<ImportPath> getDefaultImports() {
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/SourceNavigationHelper.java b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/SourceNavigationHelper.java
index 03d8f440255..124090c2ea2 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/SourceNavigationHelper.java
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/SourceNavigationHelper.java
@@ -46,8 +46,6 @@ import org.jetbrains.kotlin.config.LanguageVersionSettingsImpl;
 import org.jetbrains.kotlin.context.ContextKt;
 import org.jetbrains.kotlin.context.MutableModuleContext;
 import org.jetbrains.kotlin.descriptors.CallableDescriptor;
-import org.jetbrains.kotlin.descriptors.ModuleDescriptorKt;
-import org.jetbrains.kotlin.descriptors.ModuleParameters;
 import org.jetbrains.kotlin.frontend.di.InjectionKt;
 import org.jetbrains.kotlin.idea.stubindex.*;
 import org.jetbrains.kotlin.idea.util.ProjectRootsUtil;
@@ -56,7 +54,6 @@ import org.jetbrains.kotlin.name.ClassId;
 import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.name.Name;
 import org.jetbrains.kotlin.platform.JavaToKotlinClassMap;
-import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap;
 import org.jetbrains.kotlin.psi.*;
 import org.jetbrains.kotlin.resolve.BindingTraceContext;
 import org.jetbrains.kotlin.resolve.TargetPlatform;
@@ -239,17 +236,8 @@ public class SourceNavigationHelper {
             @NotNull Collection<KtNamedDeclaration> candidates,
             @NotNull Project project
     ) {
-
-        TargetPlatform platform = TargetPlatform.Default.INSTANCE;
-        ModuleParameters defaultJvmModuleParameters = JvmPlatform.INSTANCE.getDefaultModuleParameters();
         MutableModuleContext newModuleContext = ContextKt.ContextForNewModule(
-                project, Name.special("<library module>"),
-                ModuleDescriptorKt.ModuleParameters(
-                        defaultJvmModuleParameters.getDefaultImports(),
-                        defaultJvmModuleParameters.getExcludedImports(),
-                        PlatformToKotlinClassMap.EMPTY
-                ),
-                DefaultBuiltIns.getInstance()
+                project, Name.special("<library module>"), JvmPlatform.INSTANCE.getDefaultModuleParameters(), DefaultBuiltIns.getInstance()
         );
 
         newModuleContext.setDependencies(newModuleContext.getModule(), newModuleContext.getModule().getBuiltIns().getBuiltInsModule());
@@ -263,7 +251,7 @@ public class SourceNavigationHelper {
                 newModuleContext,
                 providerFactory,
                 new BindingTraceContext(),
-                platform,
+                TargetPlatform.Default.INSTANCE,
                 LanguageVersionSettingsImpl.DEFAULT // TODO: see KT-12410
         );
 
diff --git a/js/js.frontend/src/org/jetbrains/kotlin/js/resolve/JsPlatform.kt b/js/js.frontend/src/org/jetbrains/kotlin/js/resolve/JsPlatform.kt
index c318ce13e10..d8bd0eacfb6 100644
--- a/js/js.frontend/src/org/jetbrains/kotlin/js/resolve/JsPlatform.kt
+++ b/js/js.frontend/src/org/jetbrains/kotlin/js/resolve/JsPlatform.kt
@@ -20,7 +20,6 @@ import com.google.common.collect.ImmutableList
 import org.jetbrains.kotlin.builtins.DefaultBuiltIns
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.descriptors.ModuleParameters
-import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap
 import org.jetbrains.kotlin.resolve.ImportPath
 import org.jetbrains.kotlin.resolve.PlatformConfigurator
 import org.jetbrains.kotlin.resolve.TargetPlatform
@@ -37,9 +36,6 @@ object JsPlatform : TargetPlatform("JS") {
                 ImportPath("kotlin.text.*"),
                 ImportPath("kotlin.js.*")
         )
-
-        override val platformToKotlinClassMap: PlatformToKotlinClassMap
-            get() = PlatformToKotlinClassMap.EMPTY
     }
 
     override val platformConfigurator: PlatformConfigurator = JsPlatformConfigurator