diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
index 6c2c66d..a889d58 100644
--- a/Source/WebCore/ChangeLog
+++ b/Source/WebCore/ChangeLog
@@ -1,3 +1,17 @@
+2021-10-14  Tim Nguyen  <ntim@apple.com>
+
+        Remove useless isConnected() check from HTMLDialogElement::close()
+        https://bugs.webkit.org/show_bug.cgi?id=231722
+
+        Reviewed by Antti Koivisto.
+
+        No behavior change.
+
+        Element::focus() already early returns if the element is disconnected, so it is redundant.
+
+        * html/HTMLDialogElement.cpp:
+        (WebCore::HTMLDialogElement::close):
+
 2021-10-13  Rob Buis  <rbuis@igalia.com>
 
         Determine viewport distances for lazy image loading
diff --git a/Source/WebCore/html/HTMLDialogElement.cpp b/Source/WebCore/html/HTMLDialogElement.cpp
index 76d6a1d..2f98298 100644
--- a/Source/WebCore/html/HTMLDialogElement.cpp
+++ b/Source/WebCore/html/HTMLDialogElement.cpp
@@ -95,7 +95,7 @@
     if (isInTopLayer())
         removeFromTopLayer();
 
-    if (RefPtr element = std::exchange(m_previouslyFocusedElement, nullptr).get(); element && element->isConnected()) {
+    if (RefPtr element = std::exchange(m_previouslyFocusedElement, nullptr).get()) {
         FocusOptions options;
         options.preventScroll = true;
         element->focus(options);