diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/Importer.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/Importer.java
index 74a0d1cb06a..dc620dd96de 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/Importer.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/Importer.java
@@ -148,7 +148,6 @@ public interface Importer {
 
         @Override
         public void addAliasImport(@NotNull DeclarationDescriptor descriptor, @NotNull Name aliasName) {
-            assert !DescriptorUtils.isSingleton(descriptor) : "Never import objects: " + descriptor;
             imports.add(new AliasImportEntry(descriptor, aliasName));
         }
 
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/QualifiedExpressionResolver.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/QualifiedExpressionResolver.java
index a22db492c6a..da722783298 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/QualifiedExpressionResolver.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/QualifiedExpressionResolver.java
@@ -111,9 +111,7 @@ public class QualifiedExpressionResolver {
         }
 
         for (DeclarationDescriptor descriptor : descriptors) {
-            if (!DescriptorUtils.isSingleton(descriptor)) {
-                importer.addAliasImport(descriptor, aliasName);
-            }
+            importer.addAliasImport(descriptor, aliasName);
         }
 
         return descriptors;
diff --git a/compiler/testData/diagnostics/tests/scopes/ImportObjectAndUseAsSupertype.kt b/compiler/testData/diagnostics/tests/scopes/ImportObjectAndUseAsSupertype.kt
index d598e342664..856acab79a9 100644
--- a/compiler/testData/diagnostics/tests/scopes/ImportObjectAndUseAsSupertype.kt
+++ b/compiler/testData/diagnostics/tests/scopes/ImportObjectAndUseAsSupertype.kt
@@ -12,7 +12,7 @@ package baz
 
 import foo.Bar
 
-class C: <!UNRESOLVED_REFERENCE!>Bar<!>
+class C: <!SUPERTYPE_NOT_INITIALIZED, FINAL_SUPERTYPE!>Bar<!>
 
 fun test() {
     Bar.bar()
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/WritableScopeWithImports.java b/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/WritableScopeWithImports.java
index 158a15e9e2b..1f8f8d40838 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/WritableScopeWithImports.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/WritableScopeWithImports.java
@@ -22,7 +22,6 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.TestOnly;
 import org.jetbrains.jet.lang.descriptors.*;
-import org.jetbrains.jet.lang.resolve.DescriptorUtils;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.utils.Printer;
 
@@ -203,14 +202,9 @@ public abstract class WritableScopeWithImports extends JetScopeAdapter implement
     public void importClassifierAlias(@NotNull Name importedClassifierName, @NotNull ClassifierDescriptor classifierDescriptor) {
         checkMayWrite();
 
-        if (DescriptorUtils.isSingleton(classifierDescriptor)) {
-            throw new IllegalStateException("must not be object: " + classifierDescriptor);
-        }
-
         getCurrentIndividualImportScope().addClassifierAlias(importedClassifierName, classifierDescriptor);
     }
-    
-    
+
     @Override
     public void importNamespaceAlias(@NotNull Name aliasName, @NotNull NamespaceDescriptor namespaceDescriptor) {
         checkMayWrite();