diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyPackageMemberScope.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyPackageMemberScope.java
deleted file mode 100644
index 1e471b19bee..00000000000
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyPackageMemberScope.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright 2010-2014 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.jet.lang.resolve.lazy.descriptors;
-
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.jetbrains.jet.lang.descriptors.*;
-import org.jetbrains.jet.lang.psi.JetDeclaration;
-import org.jetbrains.jet.lang.resolve.lazy.ResolveSession;
-import org.jetbrains.jet.lang.resolve.lazy.declarations.PackageMemberDeclarationProvider;
-import org.jetbrains.jet.lang.resolve.name.Name;
-import org.jetbrains.jet.lang.resolve.scopes.JetScope;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Set;
-
-public class LazyPackageMemberScope extends AbstractLazyMemberScope<PackageFragmentDescriptor, PackageMemberDeclarationProvider> {
-
-    public LazyPackageMemberScope(@NotNull ResolveSession resolveSession,
-            @NotNull PackageMemberDeclarationProvider declarationProvider,
-            @NotNull PackageFragmentDescriptor thisPackage) {
-        super(resolveSession, declarationProvider, thisPackage, resolveSession.getTrace());
-    }
-
-    @Nullable
-    @Override
-    public PackageViewDescriptor getPackage(@NotNull Name name) {
-        return null;
-    }
-
-    @NotNull
-    @Override
-    protected JetScope getScopeForMemberDeclarationResolution(JetDeclaration declaration) {
-        return getResolveSession().getScopeProvider().getFileScope(declaration.getContainingJetFile());
-    }
-
-    @Override
-    protected void getNonDeclaredFunctions(@NotNull Name name, @NotNull Set<FunctionDescriptor> result) {
-        // No extra functions
-    }
-
-    @Override
-    protected void getNonDeclaredProperties(@NotNull Name name, @NotNull Set<VariableDescriptor> result) {
-        // No extra properties
-    }
-
-    @NotNull
-    @Override
-    protected Collection<DeclarationDescriptor> computeExtraDescriptors() {
-        return Collections.emptyList();
-    }
-
-    @Override
-    public String toString() {
-        // Do not add details here, they may compromise the laziness during debugging
-        return "lazy scope for package " + getThisDescriptor().getName();
-    }
-}
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyPackageMemberScope.kt b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyPackageMemberScope.kt
new file mode 100644
index 00000000000..347e1e4ed75
--- /dev/null
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyPackageMemberScope.kt
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2010-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.lang.resolve.lazy.descriptors
+
+import org.jetbrains.jet.lang.descriptors.*
+import org.jetbrains.jet.lang.psi.JetDeclaration
+import org.jetbrains.jet.lang.resolve.lazy.ResolveSession
+import org.jetbrains.jet.lang.resolve.lazy.declarations.PackageMemberDeclarationProvider
+import org.jetbrains.jet.lang.resolve.name.Name
+
+public class LazyPackageMemberScope(
+        resolveSession: ResolveSession,
+        declarationProvider: PackageMemberDeclarationProvider,
+        thisPackage: PackageFragmentDescriptor)
+: AbstractLazyMemberScope<PackageFragmentDescriptor, PackageMemberDeclarationProvider>(resolveSession, declarationProvider, thisPackage, resolveSession.getTrace()) {
+
+    override fun getPackage(name: Name): PackageViewDescriptor? = null
+
+    override fun getScopeForMemberDeclarationResolution(declaration: JetDeclaration)
+            = resolveSession.getScopeProvider().getFileScope(declaration.getContainingJetFile())
+
+    override fun getNonDeclaredFunctions(name: Name, result: MutableSet<FunctionDescriptor>) {
+        // No extra functions
+    }
+
+    override fun getNonDeclaredProperties(name: Name, result: MutableSet<VariableDescriptor>) {
+        // No extra properties
+    }
+
+    override fun computeExtraDescriptors(): Collection<DeclarationDescriptor> = listOf()
+
+    // Do not add details here, they may compromise the laziness during debugging
+    override fun toString() = "lazy scope for package " + thisDescriptor.getName()
+}