diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/translate/declaration/ClassTranslator.kt b/js/js.translator/src/org/jetbrains/kotlin/js/translate/declaration/ClassTranslator.kt
index 9eb675300ee..4e12ae168db 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/translate/declaration/ClassTranslator.kt
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/translate/declaration/ClassTranslator.kt
@@ -51,9 +51,8 @@ import org.jetbrains.kotlin.resolve.DescriptorUtils.*
 import org.jetbrains.kotlin.types.JetType
 import org.jetbrains.kotlin.types.TypeConstructor
 import org.jetbrains.kotlin.types.TypeUtils.topologicallySortSuperclassesAndRecordAllInstances
-import java.util.ArrayList
-import java.util.HashMap
-import java.util.HashSet
+import org.jetbrains.kotlin.utils.identity
+import java.util.*
 
 /**
  * Generates a definition of a single class.
@@ -243,7 +242,7 @@ public class ClassTranslator private constructor(
     private fun generateOtherBridges(properties: MutableList<JsPropertyInitializer>) {
         for (memberDescriptor in descriptor.getDefaultType().getMemberScope().getAllDescriptors()) {
             if (memberDescriptor is FunctionDescriptor) {
-                val bridgesToGenerate = generateBridgesForFunctionDescriptor<FunctionDescriptor>(memberDescriptor, ID)
+                val bridgesToGenerate = generateBridgesForFunctionDescriptor(memberDescriptor, identity())
 
                 for (bridge in bridgesToGenerate) {
                     generateBridge(bridge, properties)
diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/functions/factories/LongOperationFIF.kt b/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/functions/factories/LongOperationFIF.kt
index 49a8f30e1d9..0db915f2edd 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/functions/factories/LongOperationFIF.kt
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/functions/factories/LongOperationFIF.kt
@@ -16,14 +16,14 @@
 
 package org.jetbrains.kotlin.js.translate.intrinsic.functions.factories
 
-import com.google.dart.compiler.backend.js.ast.*
+import com.google.dart.compiler.backend.js.ast.JsExpression
 import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.js.patterns.PatternBuilder.pattern
 import org.jetbrains.kotlin.js.translate.context.Namer
 import org.jetbrains.kotlin.js.translate.context.TranslationContext
 import org.jetbrains.kotlin.js.translate.intrinsic.functions.basic.FunctionIntrinsic
-import org.jetbrains.kotlin.js.translate.utils.ID
 import org.jetbrains.kotlin.js.translate.utils.JsAstUtils.*
+import org.jetbrains.kotlin.utils.identity as ID
 
 // TODO Move to FunctionCallCases
 public object LongOperationFIF : FunctionIntrinsicFactory {
@@ -88,17 +88,17 @@ public object LongOperationFIF : FunctionIntrinsicFactory {
            LONG_EQUALS_ANY.apply(descriptor) || LONG_BINARY_OPERATION_LONG.apply(descriptor) || LONG_BIT_SHIFTS.apply(descriptor) ->
                longBinaryIntrinsics[operationName]
            INTEGER_BINARY_OPERATION_LONG.apply(descriptor) ->
-               wrapIntrinsicIfPresent(longBinaryIntrinsics[operationName], { longFromInt(it) }, ID)
+               wrapIntrinsicIfPresent(longBinaryIntrinsics[operationName], { longFromInt(it) }, ID())
            LONG_BINARY_OPERATION_INTEGER.apply(descriptor) ->
-               wrapIntrinsicIfPresent(longBinaryIntrinsics[operationName], ID, { longFromInt(it) })
+               wrapIntrinsicIfPresent(longBinaryIntrinsics[operationName], ID(), { longFromInt(it) })
            CHAR_BINARY_OPERATION_LONG.apply(descriptor) ->
-               wrapIntrinsicIfPresent(longBinaryIntrinsics[operationName], { longFromInt(charToInt(it)) }, ID)
+               wrapIntrinsicIfPresent(longBinaryIntrinsics[operationName], { longFromInt(charToInt(it)) }, ID())
            LONG_BINARY_OPERATION_CHAR.apply(descriptor) ->
-               wrapIntrinsicIfPresent(longBinaryIntrinsics[operationName], ID, { longFromInt(charToInt(it)) })
+               wrapIntrinsicIfPresent(longBinaryIntrinsics[operationName], ID(), { longFromInt(charToInt(it)) })
            FLOATING_POINT_BINARY_OPERATION_LONG.apply(descriptor) ->
-               wrapIntrinsicIfPresent(floatBinaryIntrinsics[operationName], ID, { invokeMethod(it, Namer.LONG_TO_NUMBER) })
+               wrapIntrinsicIfPresent(floatBinaryIntrinsics[operationName], ID(), { invokeMethod(it, Namer.LONG_TO_NUMBER) })
            LONG_BINARY_OPERATION_FLOATING_POINT.apply(descriptor) ->
-               wrapIntrinsicIfPresent(floatBinaryIntrinsics[operationName], { invokeMethod(it, Namer.LONG_TO_NUMBER) }, ID)
+               wrapIntrinsicIfPresent(floatBinaryIntrinsics[operationName], { invokeMethod(it, Namer.LONG_TO_NUMBER) }, ID())
            else ->
                null
        }
diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/functions/factories/NumberAndCharConversionFIF.kt b/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/functions/factories/NumberAndCharConversionFIF.kt
index abe057d367c..b96dd96955d 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/functions/factories/NumberAndCharConversionFIF.kt
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/functions/factories/NumberAndCharConversionFIF.kt
@@ -21,8 +21,8 @@ import com.google.dart.compiler.backend.js.ast.JsExpression
 import org.jetbrains.kotlin.js.patterns.PatternBuilder.pattern
 import org.jetbrains.kotlin.js.translate.context.TranslationContext
 import org.jetbrains.kotlin.js.translate.intrinsic.functions.basic.FunctionIntrinsic
-import org.jetbrains.kotlin.js.translate.utils.ID
 import org.jetbrains.kotlin.js.translate.utils.JsAstUtils.*
+import org.jetbrains.kotlin.utils.identity
 
 public object NumberAndCharConversionFIF : CompositeFIF() {
     val USE_AS_IS = Predicates.or(
@@ -71,7 +71,7 @@ public object NumberAndCharConversionFIF : CompositeFIF() {
     }
 
     init {
-        add(USE_AS_IS!!, ConversionUnaryIntrinsic(ID))
+        add(USE_AS_IS!!, ConversionUnaryIntrinsic(identity()))
         for((stringPattern, intrinsic) in convertOperations) {
             add(pattern(stringPattern), intrinsic)
         }
diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/operation/LongCompareToBOIF.kt b/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/operation/LongCompareToBOIF.kt
index fc486ab5e51..769b5c8e933 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/operation/LongCompareToBOIF.kt
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/translate/intrinsic/operation/LongCompareToBOIF.kt
@@ -16,20 +16,23 @@
 
 package org.jetbrains.kotlin.js.translate.intrinsic.operation
 
-import com.google.common.collect.ImmutableSet
-import com.google.dart.compiler.backend.js.ast.*
+import com.google.dart.compiler.backend.js.ast.JsBinaryOperation
+import com.google.dart.compiler.backend.js.ast.JsExpression
+import com.google.dart.compiler.backend.js.ast.JsNumberLiteral
 import org.jetbrains.kotlin.descriptors.FunctionDescriptor
-import org.jetbrains.kotlin.psi.JetBinaryExpression
-import org.jetbrains.kotlin.types.expressions.OperatorConventions
-import org.jetbrains.kotlin.lexer.JetToken
 import org.jetbrains.kotlin.js.patterns.PatternBuilder.pattern
 import org.jetbrains.kotlin.js.translate.context.Namer
 import org.jetbrains.kotlin.js.translate.context.TranslationContext
 import org.jetbrains.kotlin.js.translate.operation.OperatorTable
-import org.jetbrains.kotlin.js.translate.utils.ID
-import org.jetbrains.kotlin.js.translate.utils.JsAstUtils.*
+import org.jetbrains.kotlin.js.translate.utils.JsAstUtils.charToInt
+import org.jetbrains.kotlin.js.translate.utils.JsAstUtils.compareForObject
+import org.jetbrains.kotlin.js.translate.utils.JsAstUtils.invokeMethod
+import org.jetbrains.kotlin.js.translate.utils.JsAstUtils.longFromInt
 import org.jetbrains.kotlin.js.translate.utils.JsDescriptorUtils
 import org.jetbrains.kotlin.js.translate.utils.PsiUtils.getOperationToken
+import org.jetbrains.kotlin.psi.JetBinaryExpression
+import org.jetbrains.kotlin.types.expressions.OperatorConventions
+import org.jetbrains.kotlin.utils.identity as ID
 
 public object LongCompareToBOIF : BinaryOperationIntrinsicFactory {
 
@@ -63,11 +66,11 @@ public object LongCompareToBOIF : BinaryOperationIntrinsicFactory {
         }
     }
 
-    private val INTEGER_COMPARE_TO_LONG = CompareToBinaryIntrinsic( { longFromInt(it) }, ID)
-    private val CHAR_COMPARE_TO_LONG  = CompareToBinaryIntrinsic( { longFromInt(charToInt(it)) }, ID)
-    private val LONG_COMPARE_TO_INTEGER  = CompareToBinaryIntrinsic( ID, { longFromInt(it) })
-    private val LONG_COMPARE_TO_CHAR  = CompareToBinaryIntrinsic( ID, { longFromInt(charToInt(it)) })
-    private val LONG_COMPARE_TO_LONG  = CompareToBinaryIntrinsic( ID, ID )
+    private val INTEGER_COMPARE_TO_LONG = CompareToBinaryIntrinsic( { longFromInt(it) }, ID())
+    private val CHAR_COMPARE_TO_LONG  = CompareToBinaryIntrinsic( { longFromInt(charToInt(it)) }, ID())
+    private val LONG_COMPARE_TO_INTEGER  = CompareToBinaryIntrinsic( ID(), { longFromInt(it) })
+    private val LONG_COMPARE_TO_CHAR  = CompareToBinaryIntrinsic( ID(), { longFromInt(charToInt(it)) })
+    private val LONG_COMPARE_TO_LONG  = CompareToBinaryIntrinsic( ID(), ID() )
 
     override public fun getSupportTokens() = OperatorConventions.COMPARISON_OPERATIONS
 
diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/translate/utils/utils.kt b/js/js.translator/src/org/jetbrains/kotlin/js/translate/utils/utils.kt
index 2b89a40c96a..db642b0ba7e 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/translate/utils/utils.kt
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/translate/utils/utils.kt
@@ -16,11 +16,7 @@
 
 package org.jetbrains.kotlin.js.translate.utils
 
-import com.google.dart.compiler.backend.js.ast.JsExpression
-import com.google.dart.compiler.backend.js.ast.JsInvocation
-import com.google.dart.compiler.backend.js.ast.JsNameRef
-import com.google.dart.compiler.backend.js.ast.JsParameter
-import com.google.dart.compiler.backend.js.ast.JsPropertyInitializer
+import com.google.dart.compiler.backend.js.ast.*
 import com.intellij.util.SmartList
 import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.js.translate.context.Namer
@@ -28,8 +24,6 @@ import org.jetbrains.kotlin.js.translate.context.TranslationContext
 import org.jetbrains.kotlin.js.translate.utils.TranslationUtils.simpleReturnFunction
 import org.jetbrains.kotlin.resolve.DescriptorUtils
 
-public val <T> ID: (T) -> T = { it }
-
 public fun generateDelegateCall(
         fromDescriptor: FunctionDescriptor,
         toDescriptor: FunctionDescriptor,