diff --git a/platform/lang-impl/src/com/intellij/ide/util/FileStructurePopup.java b/platform/lang-impl/src/com/intellij/ide/util/FileStructurePopup.java
index 764d1fc588e6..cd03a44c613d 100644
--- a/platform/lang-impl/src/com/intellij/ide/util/FileStructurePopup.java
+++ b/platform/lang-impl/src/com/intellij/ide/util/FileStructurePopup.java
@@ -434,6 +434,13 @@ public class FileStructurePopup implements Disposable {
       }
     }.registerCustomShortcutSet(shortcutSet, panel);
 
+    new AnAction() {
+      @Override
+      public void actionPerformed(AnActionEvent e) {
+        mySpeedSearch.setEnteredPrefix("");
+      }
+    }.registerCustomShortcutSet(CustomShortcutSet.fromString(SystemInfo.isMac ? "meta BACK_SPACE" : "control BACK_SPACE"), myTree);
+
     new AnAction() {
       public void actionPerformed(AnActionEvent e) {
         if (mySpeedSearch != null && mySpeedSearch.isPopupActive()) {
diff --git a/platform/platform-impl/src/com/intellij/ui/SpeedSearchBase.java b/platform/platform-impl/src/com/intellij/ui/SpeedSearchBase.java
index 7f29f725af9f..49615e70d6ed 100644
--- a/platform/platform-impl/src/com/intellij/ui/SpeedSearchBase.java
+++ b/platform/platform-impl/src/com/intellij/ui/SpeedSearchBase.java
@@ -276,6 +276,13 @@ public abstract class SpeedSearchBase<Comp extends JComponent> extends SpeedSear
     return mySearchPopup != null ? mySearchPopup.mySearchField.getText() : null;
   }
 
+  public void setEnteredPrefix(@NotNull String text) {
+    if (mySearchPopup != null) {
+      mySearchPopup.mySearchField.setText(text);
+      mySearchPopup.refreshSelection();
+    }
+  }
+
   public void refreshSelection() {
     if ( mySearchPopup != null ) mySearchPopup.refreshSelection();
   }