diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -4231,6 +4231,7 @@
     'PhabricatorDashboard' => array(
       'PhabricatorDashboardDAO',
       'PhabricatorPolicyInterface',
+      'PhabricatorDestructibleInterface',
     ),
     'PhabricatorDashboardAddPanelController' => 'PhabricatorDashboardController',
     'PhabricatorDashboardApplication' => 'PhabricatorApplication',
@@ -4249,6 +4250,7 @@
       'PhabricatorDashboardDAO',
       'PhabricatorPolicyInterface',
       'PhabricatorCustomFieldInterface',
+      'PhabricatorDestructibleInterface',
     ),
     'PhabricatorDashboardPanelArchiveController' => 'PhabricatorDashboardController',
     'PhabricatorDashboardPanelCoreCustomField' => array(
diff --git a/src/applications/dashboard/storage/PhabricatorDashboard.php b/src/applications/dashboard/storage/PhabricatorDashboard.php
--- a/src/applications/dashboard/storage/PhabricatorDashboard.php
+++ b/src/applications/dashboard/storage/PhabricatorDashboard.php
@@ -4,7 +4,9 @@
  * A collection of dashboard panels with a specific layout.
  */
 final class PhabricatorDashboard extends PhabricatorDashboardDAO
-  implements PhabricatorPolicyInterface {
+  implements
+    PhabricatorPolicyInterface,
+    PhabricatorDestructibleInterface {
 
   protected $name;
   protected $viewPolicy;
@@ -104,4 +106,24 @@
     return null;
   }
 
+
+/* -(  PhabricatorDestructibleInterface  )----------------------------------- */
+
+
+  public function destroyObjectPermanently(
+    PhabricatorDestructionEngine $engine) {
+
+    $this->openTransaction();
+      $installs = id(new PhabricatorDashboardInstall())->loadAllWhere(
+        'dashboardPHID = %s',
+        $this->getPHID());
+      foreach ($installs as $install) {
+        $install->delete();
+      }
+
+      $this->delete();
+    $this->saveTransaction();
+  }
+
+
 }
diff --git a/src/applications/dashboard/storage/PhabricatorDashboardPanel.php b/src/applications/dashboard/storage/PhabricatorDashboardPanel.php
--- a/src/applications/dashboard/storage/PhabricatorDashboardPanel.php
+++ b/src/applications/dashboard/storage/PhabricatorDashboardPanel.php
@@ -7,7 +7,8 @@
   extends PhabricatorDashboardDAO
   implements
     PhabricatorPolicyInterface,
-    PhabricatorCustomFieldInterface {
+    PhabricatorCustomFieldInterface,
+    PhabricatorDestructibleInterface {
 
   protected $name;
   protected $panelType;
@@ -131,4 +132,16 @@
     return $this;
   }
 
+
+/* -(  PhabricatorDestructibleInterface  )----------------------------------- */
+
+
+  public function destroyObjectPermanently(
+    PhabricatorDestructionEngine $engine) {
+
+    $this->openTransaction();
+      $this->delete();
+    $this->saveTransaction();
+  }
+
 }