diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/MockExternalAnnotationsManager.kt b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/MockExternalAnnotationsManager.kt
index 767d1fb1f4b..de210c5924c 100644
--- a/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/MockExternalAnnotationsManager.kt
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/MockExternalAnnotationsManager.kt
@@ -17,6 +17,7 @@
 package org.jetbrains.kotlin.cli.jvm.compiler
 
 import com.intellij.codeInsight.ExternalAnnotationsManager
+import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.psi.*
 
 class MockExternalAnnotationsManager : ExternalAnnotationsManager() {
@@ -40,4 +41,8 @@ class MockExternalAnnotationsManager : ExternalAnnotationsManager() {
     override fun editExternalAnnotation(listOwner: PsiModifierListOwner, annotationFQN: String, value: Array<out PsiNameValuePair>?): Boolean {
         throw UnsupportedOperationException("not implemented")
     }
+
+    override fun hasAnnotationRootsForFile(file: VirtualFile): Boolean {
+        throw UnsupportedOperationException("not implemented")
+    }
 }
\ No newline at end of file
diff --git a/idea/idea-maven/test/org/jetbrains/kotlin/idea/maven/MavenImportingTestCase.java b/idea/idea-maven/test/org/jetbrains/kotlin/idea/maven/MavenImportingTestCase.java
index d89262a94da..802a89334c1 100644
--- a/idea/idea-maven/test/org/jetbrains/kotlin/idea/maven/MavenImportingTestCase.java
+++ b/idea/idea-maven/test/org/jetbrains/kotlin/idea/maven/MavenImportingTestCase.java
@@ -89,7 +89,7 @@ public abstract class MavenImportingTestCase extends MavenTestCase {
             VfsRootAccess.disallowRootAccess(PathManager.getConfigPath());
             Messages.setTestDialog(TestDialog.DEFAULT);
             removeFromLocalRepository("test");
-            FileUtil.delete(BuildManager.getInstance().getBuildSystemDirectory());
+            FileUtil.delete(BuildManager.getInstance().getBuildSystemDirectory().toFile());
         }
         finally {
             super.tearDown();
diff --git a/idea/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/GradleImportingTestCase.java b/idea/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/GradleImportingTestCase.java
index 260e9e8170f..16894db3766 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/GradleImportingTestCase.java
+++ b/idea/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/GradleImportingTestCase.java
@@ -120,7 +120,7 @@ public abstract class GradleImportingTestCase extends ExternalSystemImportingTes
         }
       }.execute();
       Messages.setTestDialog(TestDialog.DEFAULT);
-      FileUtil.delete(BuildManager.getInstance().getBuildSystemDirectory());
+      FileUtil.delete(BuildManager.getInstance().getBuildSystemDirectory().toFile());
     }
     finally {
       super.tearDown();