diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 533222d..168b754 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -1780,6 +1780,7 @@
         final Workspace workspace = mWorkspace;
         int count = workspace.getChildCount();
         for (int i = 0; i < count; i++) {
+            // Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate().
             ((ViewGroup) workspace.getChildAt(i)).removeAllViewsInLayout();
         }