diff --git a/compiler/frontend/src/org/jetbrains/jet/resolve/DescriptorRenderer.java b/compiler/frontend/src/org/jetbrains/jet/resolve/DescriptorRenderer.java
index 94f9b7dec9c..eea900ad450 100644
--- a/compiler/frontend/src/org/jetbrains/jet/resolve/DescriptorRenderer.java
+++ b/compiler/frontend/src/org/jetbrains/jet/resolve/DescriptorRenderer.java
@@ -599,7 +599,7 @@ public class DescriptorRenderer implements Renderer<DeclarationDescriptor> {
             renderName(descriptor, builder);
             if (descriptor.getUpperBounds().size() == 1) {
                 JetType upperBound = descriptor.getUpperBounds().iterator().next();
-                if (upperBound != KotlinBuiltIns.getInstance().getDefaultBound()) {
+                if (!KotlinBuiltIns.getInstance().getDefaultBound().equals(upperBound)) {
                     builder.append(" : ").append(renderType(upperBound));
                 }
             }
diff --git a/compiler/tests/org/jetbrains/jet/types/BoundsSubstitutorTest.java b/compiler/tests/org/jetbrains/jet/types/BoundsSubstitutorTest.java
index f2a0422fb77..42b900d61c3 100644
--- a/compiler/tests/org/jetbrains/jet/types/BoundsSubstitutorTest.java
+++ b/compiler/tests/org/jetbrains/jet/types/BoundsSubstitutorTest.java
@@ -43,12 +43,12 @@ public class BoundsSubstitutorTest extends KotlinTestWithEnvironment {
 
     public void testSimpleSubstitution() throws Exception {
         doTest("fun <T> f(l: List<T>): T",
-               "fun <T : jet.Any?> f(l : jet.List<jet.Any?>) : jet.Any?");
+               "fun <T> f(l : jet.List<jet.Any?>) : jet.Any?");
     }
 
     public void testParameterInBound() throws Exception {
         doTest("fun <T, R : List<T>> f(l: List<R>): R",
-               "fun <T : jet.Any?, R : jet.List<jet.Any?>> f(l : jet.List<jet.List<jet.Any?>>) : jet.List<jet.Any?>");
+               "fun <T, R : jet.List<jet.Any?>> f(l : jet.List<jet.List<jet.Any?>>) : jet.List<jet.Any?>");
     }
 
     public void testWithWhere() throws Exception {
diff --git a/idea/src/org/jetbrains/jet/plugin/codeInsight/OverrideImplementMethodsHandler.java b/idea/src/org/jetbrains/jet/plugin/codeInsight/OverrideImplementMethodsHandler.java
index 0294282dc3b..c4d6ff36c71 100644
--- a/idea/src/org/jetbrains/jet/plugin/codeInsight/OverrideImplementMethodsHandler.java
+++ b/idea/src/org/jetbrains/jet/plugin/codeInsight/OverrideImplementMethodsHandler.java
@@ -176,7 +176,7 @@ public abstract class OverrideImplementMethodsHandler implements LanguageCodeIns
                     boolean firstUpperBound = true;
                     for (JetType upperBound : upperBounds) {
                         String upperBoundText = " : " + renderType(upperBound);
-                        if (upperBound != KotlinBuiltIns.getInstance().getDefaultBound()) {
+                        if (!KotlinBuiltIns.getInstance().getDefaultBound().equals(upperBound)) {
                             if (firstUpperBound) {
                                 bodyBuilder.append(upperBoundText);
                             } else {
diff --git a/idea/testData/libraries/decompiled/namespace.kt b/idea/testData/libraries/decompiled/namespace.kt
index e7811bb88af..5baf0dad8fd 100644
--- a/idea/testData/libraries/decompiled/namespace.kt
+++ b/idea/testData/libraries/decompiled/namespace.kt
@@ -7,7 +7,7 @@ package testData.libraries
 
 [public final val jet.String.exProp : jet.String] /* compiled code */
 
-[public final val <T : jet.Any?>testData.libraries.Pair<T, T>.exProp : jet.String] /* compiled code */
+[public final val <T>testData.libraries.Pair<T, T>.exProp : jet.String] /* compiled code */
 
 [public final val globalVal : testData.libraries.Pair<jet.Int, jet.String>] /* compiled code */
 
@@ -23,4 +23,4 @@ package testData.libraries
 
 [public final fun main(args : jet.Array<jet.String>) : Unit { /* compiled code */ }]
 
-[public final fun <T : jet.Any?> T.filter(predicate : (T) -> jet.Boolean) : T? { /* compiled code */ }]
+[public final fun <T> T.filter(predicate : (T) -> jet.Boolean) : T? { /* compiled code */ }]