diff --git a/.idea/ant.xml b/.idea/ant.xml
deleted file mode 100644
index bbff6871e08..00000000000
--- a/.idea/ant.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="AntConfiguration">
-    <buildFile url="file://$PROJECT_DIR$/compiler/frontend/buildLexer.xml" />
-    <buildFile url="file://$PROJECT_DIR$/build.xml">
-      <antCommandLine value="-J-XX:MaxPermSize=100m" />
-      <maximumHeapSize value="1024" />
-    </buildFile>
-    <buildFile url="file://$PROJECT_DIR$/update_dependencies.xml" />
-    <buildFile url="file://$PROJECT_DIR$/TeamCityBuild.xml">
-      <maximumHeapSize value="512" />
-    </buildFile>
-    <buildFile url="file://$PROJECT_DIR$/idea-runner/runner.xml" />
-    <buildFile url="file://$PROJECT_DIR$/replicate_versions.xml" />
-    <buildFile url="file://$PROJECT_DIR$/libraries/build-docs.xml">
-      <maximumHeapSize value="1024" />
-      <properties>
-        <property name="dokka.path" value="../../dokka" />
-      </properties>
-    </buildFile>
-  </component>
-</project>
\ No newline at end of file
diff --git a/idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt b/idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt
index 3ec5a5daae2..64f50261d9a 100644
--- a/idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt
@@ -709,3 +709,5 @@ public fun KtClass.createPrimaryConstructorParameterListIfAbsent(): KtParameterL
     if (parameterList != null) return parameterList
     return constructor.add(KtPsiFactory(project).createParameterList("()")) as KtParameterList
 }
+
+fun PsiNamedElement.isInterfaceClass(): Boolean = this is KtClass && isInterface() || this is PsiClass && isInterface
diff --git a/idea/src/org/jetbrains/kotlin/idea/refactoring/memberInfo/KotlinMemberInfoStorage.kt b/idea/src/org/jetbrains/kotlin/idea/refactoring/memberInfo/KotlinMemberInfoStorage.kt
index 1f31877dd50..8a476e9696f 100644
--- a/idea/src/org/jetbrains/kotlin/idea/refactoring/memberInfo/KotlinMemberInfoStorage.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/refactoring/memberInfo/KotlinMemberInfoStorage.kt
@@ -79,14 +79,16 @@ public class KotlinMemberInfoStorage(
                           && !(it is KtObjectDeclaration && it.isCompanion())
                           && myFilter.includeMember(it) }
                 .mapTo(temp) { KotlinMemberInfo(it as KtNamedDeclaration) }
-        aClass.getDelegationSpecifiers()
-                .filterIsInstance<KtDelegatorToSuperClass>()
-                .map {
-                    val type = context[BindingContext.TYPE, it.typeReference]
-                    val classDescriptor = type?.constructor?.declarationDescriptor as? ClassDescriptor
-                    classDescriptor?.source?.getPsi() as? KtClass
-                }
-                .filter { it != null && it.isInterface() }
-                .mapTo(temp) { KotlinMemberInfo(it!!, true) }
+        if (aClass == myClass) {
+            aClass.getDelegationSpecifiers()
+                    .filterIsInstance<KtDelegatorToSuperClass>()
+                    .map {
+                        val type = context[BindingContext.TYPE, it.typeReference]
+                        val classDescriptor = type?.constructor?.declarationDescriptor as? ClassDescriptor
+                        classDescriptor?.source?.getPsi() as? KtClass
+                    }
+                    .filter { it != null && it.isInterface() }
+                    .mapTo(temp) { KotlinMemberInfo(it!!, true) }
+        }
     }
 }
\ No newline at end of file
diff --git a/idea/src/org/jetbrains/kotlin/idea/refactoring/pullUp/KotlinPullUpDialog.kt b/idea/src/org/jetbrains/kotlin/idea/refactoring/pullUp/KotlinPullUpDialog.kt
index 42a82d4dbd6..d00043681d6 100644
--- a/idea/src/org/jetbrains/kotlin/idea/refactoring/pullUp/KotlinPullUpDialog.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/refactoring/pullUp/KotlinPullUpDialog.kt
@@ -26,6 +26,7 @@ import com.intellij.refactoring.classMembers.AbstractMemberInfoModel
 import com.intellij.refactoring.memberPullUp.PullUpProcessor
 import com.intellij.refactoring.util.DocCommentPolicy
 import org.jetbrains.kotlin.asJava.toLightClass
+import org.jetbrains.kotlin.idea.core.refactoring.isInterfaceClass
 import org.jetbrains.kotlin.idea.refactoring.memberInfo.*
 import org.jetbrains.kotlin.psi.*
 
@@ -89,7 +90,7 @@ public class KotlinPullUpDialog(
 
     override fun createMemberInfoModel() = MemberInfoModelImpl()
 
-    override fun getPreselection() = mySuperClasses.firstOrNull()
+    override fun getPreselection() = mySuperClasses.firstOrNull { !it.isInterfaceClass() } ?: mySuperClasses.firstOrNull()
 
     override fun createMemberSelectionTable(infos: MutableList<KotlinMemberInfo>) =
             KotlinMemberSelectionTable(infos, null, "Make abstract")