Remove untrue tip about zero-length arrays.
Change-Id: I45ee2d603c1286c96acaa35d0c0fc28ecda47cef
diff --git a/docs/html/guide/topics/data/backup.jd b/docs/html/guide/topics/data/backup.jd
index dec2146..477fef9 100644
--- a/docs/html/guide/topics/data/backup.jd
+++ b/docs/html/guide/topics/data/backup.jd
@@ -708,14 +708,6 @@
in any Activity where you read and write the file, you need an object to use as the intrinsic
lock for the synchronized statements:</p>
-<div class="sidebox-wrapper">
-<div class="sidebox">
-<p><strong>Interesting Fact:</strong></p>
-<p>A zero-length array is lighter-weight than a normal Object, so it's great for an
-intrinsic lock.</p>
-</div>
-</div>
-
<pre>
// Object for intrinsic lock
static final Object[] sDataLock = new Object[0];