diff --git a/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/BuiltinOverridabilityCondition.kt b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/BuiltinOverridabilityCondition.kt
new file mode 100644
index 00000000000..443a77b12a0
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+++ b/core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/BuiltinOverridabilityCondition.kt
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2016 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.kotlin.load.java
+
+import org.jetbrains.kotlin.descriptors.CallableDescriptor
+import org.jetbrains.kotlin.descriptors.ClassDescriptor
+import org.jetbrains.kotlin.resolve.ExternalOverridabilityCondition
+import org.jetbrains.kotlin.resolve.ExternalOverridabilityCondition.Result
+
+class BuiltinOverridabilityCondition : ExternalOverridabilityCondition {
+    override fun isOverridable(
+            superDescriptor: CallableDescriptor,
+            subDescriptor: CallableDescriptor,
+            subClassDescriptor: ClassDescriptor?
+    ) = Result.UNKNOWN
+
+    override fun getContract() = ExternalOverridabilityCondition.Contract.CONFLICTS_ONLY
+}