diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java b/compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java
index 1859bffe5d8..1fc09a18b73 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java
@@ -1023,9 +1023,15 @@ public class JetTypeMapper {
             ClassKind kind = ((ClassDescriptor) containingDeclaration).getKind();
             if (kind == ClassKind.OBJECT) {
                 return ACC_PUBLIC;
-            } else if (kind == ClassKind.ENUM_ENTRY) {
+            }
+            else if (kind == ClassKind.ENUM_ENTRY) {
                 return ACC_PACKAGE_PRIVATE;
             }
+            else if (kind == ClassKind.ENUM_CLASS) {
+                //TODO: should be ACC_PRIVATE
+                // see http://youtrack.jetbrains.com/issue/KT-2680
+                return ACC_PROTECTED;
+            }
         }
         if (containingDeclaration instanceof NamespaceDescriptor) {
             return ACC_PUBLIC;
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/DescriptorUtils.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/DescriptorUtils.java
index d3beae28e2c..401c15eb0c3 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/DescriptorUtils.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/DescriptorUtils.java
@@ -368,9 +368,7 @@ public class DescriptorUtils {
     public static Visibility getDefaultConstructorVisibility(@NotNull ClassDescriptor classDescriptor) {
         ClassKind classKind = classDescriptor.getKind();
         if (classKind == ClassKind.ENUM_CLASS) {
-            //TODO: should be PRIVATE
-            // see http://youtrack.jetbrains.com/issue/KT-2680
-            return Visibilities.PROTECTED;
+            return Visibilities.PRIVATE;
         }
         if (classKind.isObject()) {
             return Visibilities.PRIVATE;
diff --git a/compiler/testData/lazyResolve/namespaceComparator/enum.txt b/compiler/testData/lazyResolve/namespaceComparator/enum.txt
index 5513fdda682..4dda3a212c8 100644
--- a/compiler/testData/lazyResolve/namespaceComparator/enum.txt
+++ b/compiler/testData/lazyResolve/namespaceComparator/enum.txt
@@ -1,7 +1,7 @@
 namespace test
 
 internal final enum class test.Test : jet.Enum<test.Test> {
-    protected final /*constructor*/ fun <init>(/*0*/ a: jet.Int): test.Test
+    private final /*constructor*/ fun <init>(/*0*/ a: jet.Int): test.Test
     public final override /*1*/ fun name(): jet.String
     public final override /*1*/ fun ordinal(): jet.Int
     internal final class object test.Test.<class-object-for-Test> {
diff --git a/compiler/testData/loadKotlinCustom/enum/enumVisibilityBinary.txt b/compiler/testData/loadKotlinCustom/enum/enumVisibilityBinary.txt
index 0191d7d4d95..5637ea7a24c 100644
--- a/compiler/testData/loadKotlinCustom/enum/enumVisibilityBinary.txt
+++ b/compiler/testData/loadKotlinCustom/enum/enumVisibilityBinary.txt
@@ -1,7 +1,7 @@
 namespace test
 
 internal final enum class test.In : jet.Enum<test.In> {
-    protected final /*constructor*/ fun <init>(/*0*/ p0: jet.String?, /*1*/ p1: jet.Int): test.In
+    private final /*constructor*/ fun <init>(/*0*/ p0: jet.String?, /*1*/ p1: jet.Int): test.In
     public final override /*1*/ fun name(): jet.String
     public final override /*1*/ fun ordinal(): jet.Int
     internal final class object test.In.<class-object-for-In> {
@@ -12,7 +12,7 @@ internal final enum class test.In : jet.Enum<test.In> {
     }
 }
 private final enum class test.Pr : jet.Enum<test.Pr> {
-    protected final /*constructor*/ fun <init>(/*0*/ p0: jet.String?, /*1*/ p1: jet.Int): test.Pr
+    private final /*constructor*/ fun <init>(/*0*/ p0: jet.String?, /*1*/ p1: jet.Int): test.Pr
     public final override /*1*/ fun name(): jet.String
     public final override /*1*/ fun ordinal(): jet.Int
     private final class object test.Pr.<class-object-for-Pr> {
@@ -23,7 +23,7 @@ private final enum class test.Pr : jet.Enum<test.Pr> {
     }
 }
 public final enum class test.Pu : jet.Enum<test.Pu> {
-    protected final /*constructor*/ fun <init>(/*0*/ p0: jet.String?, /*1*/ p1: jet.Int): test.Pu
+    private final /*constructor*/ fun <init>(/*0*/ p0: jet.String?, /*1*/ p1: jet.Int): test.Pu
     public final override /*1*/ fun name(): jet.String
     public final override /*1*/ fun ordinal(): jet.Int
     public final class object test.Pu.<class-object-for-Pu> {
diff --git a/compiler/testData/loadKotlinCustom/enum/enumVisibilitySource.txt b/compiler/testData/loadKotlinCustom/enum/enumVisibilitySource.txt
index 1c6da249deb..4f02bf08df8 100644
--- a/compiler/testData/loadKotlinCustom/enum/enumVisibilitySource.txt
+++ b/compiler/testData/loadKotlinCustom/enum/enumVisibilitySource.txt
@@ -1,7 +1,7 @@
 namespace test
 
 internal final enum class test.In : jet.Enum<test.In> {
-    protected final /*constructor*/ fun <init>(): test.In
+    private final /*constructor*/ fun <init>(): test.In
     public final override /*1*/ fun name(): jet.String
     public final override /*1*/ fun ordinal(): jet.Int
     internal final class object test.In.<class-object-for-In> {
@@ -17,7 +17,7 @@ internal final enum class test.In : jet.Enum<test.In> {
     }
 }
 private final enum class test.Pr : jet.Enum<test.Pr> {
-    protected final /*constructor*/ fun <init>(): test.Pr
+    private final /*constructor*/ fun <init>(): test.Pr
     public final override /*1*/ fun name(): jet.String
     public final override /*1*/ fun ordinal(): jet.Int
     private final class object test.Pr.<class-object-for-Pr> {
@@ -33,7 +33,7 @@ private final enum class test.Pr : jet.Enum<test.Pr> {
     }
 }
 public final enum class test.Pu : jet.Enum<test.Pu> {
-    protected final /*constructor*/ fun <init>(): test.Pu
+    private final /*constructor*/ fun <init>(): test.Pu
     public final override /*1*/ fun name(): jet.String
     public final override /*1*/ fun ordinal(): jet.Int
     public final class object test.Pu.<class-object-for-Pu> {
diff --git a/compiler/testData/loadKotlinCustom/enum/simpleEnumBinary.txt b/compiler/testData/loadKotlinCustom/enum/simpleEnumBinary.txt
index e17dc8ae625..07f1cba4027 100644
--- a/compiler/testData/loadKotlinCustom/enum/simpleEnumBinary.txt
+++ b/compiler/testData/loadKotlinCustom/enum/simpleEnumBinary.txt
@@ -1,7 +1,7 @@
 namespace test
 
 internal final enum class test.MyEnum : jet.Enum<test.MyEnum> {
-    protected final /*constructor*/ fun <init>(/*0*/ p0: jet.String?, /*1*/ p1: jet.Int): test.MyEnum
+    private final /*constructor*/ fun <init>(/*0*/ p0: jet.String?, /*1*/ p1: jet.Int): test.MyEnum
     public final override /*1*/ fun name(): jet.String
     public final override /*1*/ fun ordinal(): jet.Int
     internal final class object test.MyEnum.<class-object-for-MyEnum> {
diff --git a/compiler/testData/loadKotlinCustom/enum/simpleEnumSource.txt b/compiler/testData/loadKotlinCustom/enum/simpleEnumSource.txt
index 424bb8e5ad2..76081de6641 100644
--- a/compiler/testData/loadKotlinCustom/enum/simpleEnumSource.txt
+++ b/compiler/testData/loadKotlinCustom/enum/simpleEnumSource.txt
@@ -1,7 +1,7 @@
 namespace test
 
 internal final enum class test.MyEnum : jet.Enum<test.MyEnum> {
-    protected final /*constructor*/ fun <init>(): test.MyEnum
+    private final /*constructor*/ fun <init>(): test.MyEnum
     public final override /*1*/ fun name(): jet.String
     public final override /*1*/ fun ordinal(): jet.Int
     internal final class object test.MyEnum.<class-object-for-MyEnum> {