diff --git a/astrid/AndroidManifest.xml b/astrid/AndroidManifest.xml
index 26c17a9f4..2497b6575 100644
--- a/astrid/AndroidManifest.xml
+++ b/astrid/AndroidManifest.xml
@@ -137,6 +137,12 @@
                  android:resource="@xml/widget_provider_info" />
     </receiver>
 
+    <receiver android:name="com.todoroo.astrid.service.GlobalEventReceiver">
+      <intent-filter>
+        <action android:name="com.todoroo.astrid.FLUSH_DETAILS" />
+      </intent-filter>
+    </receiver>
+
     <!-- ======================================================== Services = -->
 
     <service android:name="com.todoroo.astrid.widget.TasksWidget$UpdateService" />
diff --git a/astrid/api-src/com/todoroo/astrid/api/AstridApiConstants.java b/astrid/api-src/com/todoroo/astrid/api/AstridApiConstants.java
index d31d93bb8..c4a81e15e 100644
--- a/astrid/api-src/com/todoroo/astrid/api/AstridApiConstants.java
+++ b/astrid/api-src/com/todoroo/astrid/api/AstridApiConstants.java
@@ -217,6 +217,14 @@ public class AstridApiConstants {
      */
     public static final String BROADCAST_EVENT_REFRESH = PACKAGE + ".REFRESH";
 
+    /**
+     * Action name for broadcast intent notifying Astrid to clear detail cache
+     * because an event occurred that potentially affects all tasks (e.g.
+     * logging out of a sync provider). Use this call carefully, as loading
+     * details can degrade the performance of Astrid.
+     */
+    public static final String BROADCAST_EVENT_FLUSH_DETAILS = PACKAGE + ".FLUSH_DETAILS";
+
     /**
      * Action name for broadcast intent notifying that task was completed
      * @extra EXTRAS_TASK_ID id of the task
diff --git a/astrid/src/com/todoroo/astrid/activity/EditPreferences.java b/astrid/src/com/todoroo/astrid/activity/EditPreferences.java
index e7a897875..6afd38e77 100644
--- a/astrid/src/com/todoroo/astrid/activity/EditPreferences.java
+++ b/astrid/src/com/todoroo/astrid/activity/EditPreferences.java
@@ -28,7 +28,6 @@ import com.todoroo.andlib.utility.DialogUtilities;
 import com.todoroo.andlib.widget.TodorooPreferences;
 import com.todoroo.astrid.api.AstridApiConstants;
 import com.todoroo.astrid.dao.Database;
-import com.todoroo.astrid.dao.TaskDao;
 import com.todoroo.astrid.model.Task;
 import com.todoroo.astrid.service.StartupService;
 import com.todoroo.astrid.service.TaskService;
@@ -49,16 +48,13 @@ public class EditPreferences extends TodorooPreferences {
     // --- instance variables
 
     @Autowired
-    TaskService taskService; // for debugging
+    private TaskService taskService; // for debugging
 
     @Autowired
-    TaskDao taskDao;
+    private Database database;
 
     @Autowired
-    Database database;
-
-    @Autowired
-    DialogUtilities dialogUtilities;
+    private DialogUtilities dialogUtilities;
 
     public EditPreferences() {
         DependencyInjectionService.getInstance().inject(this);
@@ -176,7 +172,7 @@ public class EditPreferences extends TodorooPreferences {
         preference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
             public boolean onPreferenceClick(Preference p) {
                 database.openForWriting();
-                taskDao.deleteWhere(Criterion.all);
+                taskService.deleteWhere(Criterion.all);
                 dialogUtilities.okDialog(EditPreferences.this, "done", null);
                 return false;
             }
diff --git a/astrid/src/com/todoroo/astrid/service/GlobalEventReceiver.java b/astrid/src/com/todoroo/astrid/service/GlobalEventReceiver.java
new file mode 100644
index 000000000..85ae949a8
--- /dev/null
+++ b/astrid/src/com/todoroo/astrid/service/GlobalEventReceiver.java
@@ -0,0 +1,41 @@
+package com.todoroo.astrid.service;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import com.todoroo.andlib.service.Autowired;
+import com.todoroo.andlib.service.DependencyInjectionService;
+import com.todoroo.astrid.api.AstridApiConstants;
+import com.todoroo.astrid.utility.Flags;
+
+/**
+ * BroadcastReceiver for receiving Astrid events not associated with a
+ * specific activity
+ *
+ * @author Tim Su <tim@todoroo.com>
+ *
+ */
+public final class GlobalEventReceiver extends BroadcastReceiver {
+
+    static {
+        AstridDependencyInjector.initialize();
+    }
+
+    @Autowired
+    private TaskService taskService;
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if(intent == null)
+            return;
+
+        DependencyInjectionService.getInstance().inject(this);
+
+        if(AstridApiConstants.BROADCAST_EVENT_FLUSH_DETAILS.equals(intent.getAction())) {
+            taskService.clearDetails();
+            Flags.set(Flags.REFRESH);
+        }
+    }
+
+}
diff --git a/astrid/src/com/todoroo/astrid/service/TaskService.java b/astrid/src/com/todoroo/astrid/service/TaskService.java
index da61e96a2..ae0f28f8d 100644
--- a/astrid/src/com/todoroo/astrid/service/TaskService.java
+++ b/astrid/src/com/todoroo/astrid/service/TaskService.java
@@ -282,6 +282,12 @@ public class TaskService {
         }
     }
 
-
+    /**
+     * Delete all tasks matching a given criterion
+     * @param all
+     */
+    public void deleteWhere(Criterion criteria) {
+        taskDao.deleteWhere(criteria);
+    }
 
 }
diff --git a/astrid/src/com/todoroo/astrid/utility/Constants.java b/astrid/src/com/todoroo/astrid/utility/Constants.java
index d564ba8e7..b2c2f81da 100644
--- a/astrid/src/com/todoroo/astrid/utility/Constants.java
+++ b/astrid/src/com/todoroo/astrid/utility/Constants.java
@@ -21,11 +21,6 @@ public final class Constants {
      */
     public static final boolean OEM = false;
 
-    /**
-     * Whether this is an installation with sync disabled
-     */
-    public static final boolean SYNC = true;
-
     /**
      * Interval to update the widget (in order to detect hidden tasks
      * becoming visible)