diff --git a/plugins/javaFX/src/org/jetbrains/plugins/javaFX/indexing/JavaFxCustomComponentsIndex.java b/plugins/javaFX/src/org/jetbrains/plugins/javaFX/indexing/JavaFxCustomComponentsIndex.java
index 885e42a95354..2d55f9703bc3 100644
--- a/plugins/javaFX/src/org/jetbrains/plugins/javaFX/indexing/JavaFxCustomComponentsIndex.java
+++ b/plugins/javaFX/src/org/jetbrains/plugins/javaFX/indexing/JavaFxCustomComponentsIndex.java
@@ -20,7 +20,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-public class JavaFxCustomComponentsIndex extends FileBasedIndexExtension<String, Set<String>> implements DocumentChangeDependentIndex {
+public class JavaFxCustomComponentsIndex extends FileBasedIndexExtension<String, Set<String>> {
 
   @NonNls public static final ID<String, Set<String>> KEY = ID.create("javafx.custom.component");
 
diff --git a/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/impl/XsltSymbolIndex.java b/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/impl/XsltSymbolIndex.java
index e8f975dfecc7..b8e6c0fa721f 100644
--- a/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/impl/XsltSymbolIndex.java
+++ b/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/impl/XsltSymbolIndex.java
@@ -39,7 +39,7 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
-public class XsltSymbolIndex extends FileBasedIndexExtension<String, XsltSymbolIndex.Kind> implements DocumentChangeDependentIndex {
+public class XsltSymbolIndex extends FileBasedIndexExtension<String, XsltSymbolIndex.Kind> {
   @NonNls
   public static final ID<String, Kind> NAME = ID.create("XsltSymbolIndex");