diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/StackValue.java b/compiler/backend/src/org/jetbrains/jet/codegen/StackValue.java
index 30777a568f0..34b30dba56f 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/StackValue.java
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/StackValue.java
@@ -26,6 +26,7 @@ import org.jetbrains.jet.codegen.state.JetTypeMapper;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.psi.JetExpression;
 import org.jetbrains.jet.lang.resolve.calls.model.ResolvedCall;
+import org.jetbrains.jet.lang.resolve.java.JvmAbi;
 import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverValue;
 import org.jetbrains.jet.lexer.JetTokens;
 import org.jetbrains.org.objectweb.asm.Label;
@@ -283,7 +284,7 @@ public abstract class StackValue {
     }
 
     public static void putUnitInstance(InstructionAdapter v) {
-        v.visitFieldInsn(GETSTATIC, UNIT_TYPE.getInternalName(), "VALUE", UNIT_TYPE.getDescriptor());
+        v.visitFieldInsn(GETSTATIC, UNIT_TYPE.getInternalName(), JvmAbi.INSTANCE_FIELD, UNIT_TYPE.getDescriptor());
     }
 
     protected void putAsBoolean(InstructionAdapter v) {
diff --git a/compiler/testData/builtin-classes.txt b/compiler/testData/builtin-classes.txt
index 4b78d8def81..5f9938510fd 100644
--- a/compiler/testData/builtin-classes.txt
+++ b/compiler/testData/builtin-classes.txt
@@ -802,30 +802,30 @@ public final enum class InlineStrategy : kotlin.Enum<kotlin.InlineStrategy> {
     /*primary*/ private constructor InlineStrategy()
     public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
     public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
-
+    
     public class object <class-object-for-InlineStrategy> {
         /*primary*/ private constructor <class-object-for-InlineStrategy>()
         public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): kotlin.InlineStrategy
         public final /*synthesized*/ fun values(): kotlin.Array<kotlin.InlineStrategy>
     }
-
+    
     public enum entry AS_FUNCTION : kotlin.InlineStrategy {
         /*primary*/ private constructor AS_FUNCTION()
         public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
         public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
-
+        
         public class object <class-object-for-AS_FUNCTION> : kotlin.InlineStrategy.AS_FUNCTION {
             /*primary*/ private constructor <class-object-for-AS_FUNCTION>()
             public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
             public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
         }
     }
-
+    
     public enum entry IN_PLACE : kotlin.InlineStrategy {
         /*primary*/ private constructor IN_PLACE()
         public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
         public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
-
+        
         public class object <class-object-for-IN_PLACE> : kotlin.InlineStrategy.IN_PLACE {
             /*primary*/ private constructor <class-object-for-IN_PLACE>()
             public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
@@ -963,7 +963,7 @@ public final class IntRange : kotlin.Range<kotlin.Int>, kotlin.Progression<kotli
     public open override /*1*/ fun contains(/*0*/ item: kotlin.Int): kotlin.Boolean
     public open override /*1*/ fun isEmpty(): kotlin.Boolean
     public open override /*1*/ fun iterator(): kotlin.IntIterator
-
+    
     public class object <class-object-for-IntRange> {
         /*primary*/ private constructor <class-object-for-IntRange>()
         public final val EMPTY: kotlin.IntRange
@@ -1132,7 +1132,7 @@ public final class LongRange : kotlin.Range<kotlin.Long>, kotlin.Progression<kot
     public open override /*1*/ fun contains(/*0*/ item: kotlin.Long): kotlin.Boolean
     public open override /*1*/ fun isEmpty(): kotlin.Boolean
     public open override /*1*/ fun iterator(): kotlin.LongIterator
-
+    
     public class object <class-object-for-LongRange> {
         /*primary*/ private constructor <class-object-for-LongRange>()
         public final val EMPTY: kotlin.LongRange
@@ -1149,7 +1149,7 @@ public trait Map</*0*/ K, /*1*/ out V> {
     public abstract fun keySet(): kotlin.Set<K>
     public abstract fun size(): kotlin.Int
     public abstract fun values(): kotlin.Collection<V>
-
+    
     public trait Entry</*0*/ out K, /*1*/ out V> {
         public abstract fun getKey(): K
         public abstract fun getValue(): V
@@ -1229,7 +1229,7 @@ public trait MutableMap</*0*/ K, /*1*/ V> : kotlin.Map<K, V> {
     public abstract fun remove(/*0*/ key: kotlin.Any?): V?
     public abstract override /*1*/ /*fake_override*/ fun size(): kotlin.Int
     public abstract override /*1*/ fun values(): kotlin.MutableCollection<V>
-
+    
     public trait MutableEntry</*0*/ K, /*1*/ V> : kotlin.Map.Entry<K, V> {
         public abstract override /*1*/ /*fake_override*/ fun getKey(): K
         public abstract override /*1*/ /*fake_override*/ fun getValue(): V
@@ -1266,6 +1266,16 @@ public abstract class Number {
     public abstract fun toShort(): kotlin.Short
 }
 
+private open class OldUnit {
+    /*primary*/ public constructor OldUnit()
+
+    private class object <class-object-for-OldUnit> {
+        /*primary*/ private constructor <class-object-for-OldUnit>()
+        public final val VALUE: kotlin.Unit
+            public final fun <get-VALUE>(): kotlin.Unit
+    }
+}
+
 public trait Progression</*0*/ out N : kotlin.Any> : kotlin.Iterable<N> {
     public abstract val end: N
         public abstract fun <get-end>(): N
@@ -1426,7 +1436,7 @@ public final class ShortRange : kotlin.Range<kotlin.Short>, kotlin.Progression<k
     public open override /*1*/ fun contains(/*0*/ item: kotlin.Short): kotlin.Boolean
     public open override /*1*/ fun isEmpty(): kotlin.Boolean
     public open override /*1*/ fun iterator(): kotlin.ShortIterator
-
+    
     public class object <class-object-for-ShortRange> {
         /*primary*/ private constructor <class-object-for-ShortRange>()
         public final val EMPTY: kotlin.ShortRange
@@ -1450,13 +1460,15 @@ public open class Throwable {
     public final fun printStackTrace(): kotlin.Unit
 }
 
-public open class Unit {
-    /*primary*/ internal constructor Unit()
-
+public object Unit : kotlin.OldUnit {
+    /*primary*/ private constructor Unit()
+    public final val VALUE: kotlin.Unit
+        public final fun <get-VALUE>(): kotlin.Unit
+    
     public class object <class-object-for-Unit> : kotlin.Unit {
         /*primary*/ private constructor <class-object-for-Unit>()
-        public final val VALUE: kotlin.Unit
-            public final fun <get-VALUE>(): kotlin.Unit
+        public final override /*1*/ /*fake_override*/ val VALUE: kotlin.Unit
+            public final override /*1*/ /*fake_override*/ fun <get-VALUE>(): kotlin.Unit
     }
 }
 
diff --git a/compiler/testData/cfg/controlStructures/Finally.values b/compiler/testData/cfg/controlStructures/Finally.values
index 28d72aa301b..0287b18c72b 100644
--- a/compiler/testData/cfg/controlStructures/Finally.values
+++ b/compiler/testData/cfg/controlStructures/Finally.values
@@ -268,8 +268,8 @@ fun t11() {
   }
 }
 ---------------------
-1   <v0>: *           NEW: r(1) -> <v0>
-2   <v1>: {<: Unit}   NEW: r(2) -> <v1>
+1   <v0>: *      NEW: r(1) -> <v0>
+2   <v1>: Unit   NEW: r(2) -> <v1>
 =====================
 == t12 ==
 fun t12() : Int {
diff --git a/compiler/testData/cfg/tailCalls/try.values b/compiler/testData/cfg/tailCalls/try.values
index de3d0760b53..3270934a9e1 100644
--- a/compiler/testData/cfg/tailCalls/try.values
+++ b/compiler/testData/cfg/tailCalls/try.values
@@ -8,5 +8,5 @@ tailRecursive fun foo() {
 }
 ---------------------
         <v1>: {<: Throwable}   NEW: magic[FAKE_INITIALIZER](e: Throwable) -> <v1>
-foo()   <v0>: {<: Unit}        NEW: call(foo(), foo) -> <v0>
+foo()   <v0>: Unit             NEW: call(foo(), foo) -> <v0>                     
 =====================
diff --git a/idea/testData/highlighter/VariablesAsFunctions.kt b/idea/testData/highlighter/VariablesAsFunctions.kt
index 27205d2b43b..3f55a7efd31 100644
--- a/idea/testData/highlighter/VariablesAsFunctions.kt
+++ b/idea/testData/highlighter/VariablesAsFunctions.kt
@@ -3,14 +3,14 @@ trait <info textAttributesKey="KOTLIN_TRAIT">FunctionLike</info> {
     }
 }
 
-var <info textAttributesKey="KOTLIN_PACKAGE_PROPERTY"><info textAttributesKey="KOTLIN_PROPERTY_WITH_BACKING_FIELD"><info textAttributesKey="KOTLIN_MUTABLE_VARIABLE">global</info></info></info> : () -> <info textAttributesKey="KOTLIN_CLASS">Unit</info> = {}
+var <info textAttributesKey="KOTLIN_PACKAGE_PROPERTY"><info textAttributesKey="KOTLIN_PROPERTY_WITH_BACKING_FIELD"><info textAttributesKey="KOTLIN_MUTABLE_VARIABLE">global</info></info></info> : () -> <info textAttributesKey="KOTLIN_OBJECT">Unit</info> = {}
 
-val <info textAttributesKey="KOTLIN_CLASS">Int</info>.<info textAttributesKey="KOTLIN_EXTENSION_PROPERTY"><info textAttributesKey="KOTLIN_PACKAGE_PROPERTY">ext</info></info> : () -> <info textAttributesKey="KOTLIN_CLASS">Unit</info>
+val <info textAttributesKey="KOTLIN_CLASS">Int</info>.<info textAttributesKey="KOTLIN_EXTENSION_PROPERTY"><info textAttributesKey="KOTLIN_PACKAGE_PROPERTY">ext</info></info> : () -> <info textAttributesKey="KOTLIN_OBJECT">Unit</info>
 <info textAttributesKey="KOTLIN_KEYWORD">get</info>() {
   return {}
 }
 
-fun <info textAttributesKey="KOTLIN_FUNCTION_DECLARATION">foo</info>(<info textAttributesKey="KOTLIN_PARAMETER">a</info> : () -> <info textAttributesKey="KOTLIN_CLASS">Unit</info>, <info textAttributesKey="KOTLIN_PARAMETER">functionLike</info>: <info textAttributesKey="KOTLIN_TRAIT">FunctionLike</info>) {
+fun <info textAttributesKey="KOTLIN_FUNCTION_DECLARATION">foo</info>(<info textAttributesKey="KOTLIN_PARAMETER">a</info> : () -> <info textAttributesKey="KOTLIN_OBJECT">Unit</info>, <info textAttributesKey="KOTLIN_PARAMETER">functionLike</info>: <info textAttributesKey="KOTLIN_TRAIT">FunctionLike</info>) {
     <info textAttributesKey="KOTLIN_PARAMETER"><info textAttributesKey="KOTLIN_VARIABLE_AS_FUNCTION">a</info></info>()
     <info textAttributesKey="KOTLIN_PARAMETER"><info textAttributesKey="KOTLIN_VARIABLE_AS_FUNCTION_LIKE">functionLike</info></info>()
     <info textAttributesKey="KOTLIN_PACKAGE_PROPERTY"><info textAttributesKey="KOTLIN_MUTABLE_VARIABLE"><info textAttributesKey="KOTLIN_VARIABLE_AS_FUNCTION">global</info></info></info>()