diff --git a/files/ja/_redirects.txt b/files/ja/_redirects.txt
index c8cfdbed39c3ae..5c864fecd2a80c 100644
--- a/files/ja/_redirects.txt
+++ b/files/ja/_redirects.txt
@@ -1028,7 +1028,7 @@
 /ja/docs/DOM/window.toolbar	/ja/docs/Web/API/Window/toolbar
 /ja/docs/DOM/window.top	/ja/docs/Web/API/Window/top
 /ja/docs/DOM/window.unescape	/ja/docs/Web/JavaScript/Reference/Global_Objects/unescape
-/ja/docs/DOM/window.updateCommands	/ja/docs/Web/API/Window/updateCommands
+/ja/docs/DOM/window.updateCommands	/ja/docs/conflicting/Web/API/Window
 /ja/docs/DOM/window.window	/ja/docs/Web/API/Window/window
 /ja/docs/DOM/セレクタを使用した_DOM_要素の指定	/ja/docs/Web/API/Node/cloneNode
 /ja/docs/DOM:Storage	/ja/docs/Web/API/Web_Storage_API
@@ -1234,7 +1234,7 @@
 /ja/docs/DOM:window.toolbar	/ja/docs/Web/API/Window/toolbar
 /ja/docs/DOM:window.top	/ja/docs/Web/API/Window/top
 /ja/docs/DOM:window.unescape	/ja/docs/Web/JavaScript/Reference/Global_Objects/unescape
-/ja/docs/DOM:window.updateCommands	/ja/docs/Web/API/Window/updateCommands
+/ja/docs/DOM:window.updateCommands	/ja/docs/conflicting/Web/API/Window
 /ja/docs/DOM:window.window	/ja/docs/Web/API/Window/window
 /ja/docs/DOMParser	/ja/docs/Web/API/DOMParser
 /ja/docs/DOM_Client_Object_Cross-Reference	/ja/docs/Web/API/Document_Object_Model
@@ -3194,6 +3194,7 @@
 /ja/docs/Web/API/Window/transitionrun_event	/ja/docs/Web/API/Element/transitionrun_event
 /ja/docs/Web/API/Window/transitionstart_event	/ja/docs/Web/API/Element/transitionstart_event
 /ja/docs/Web/API/Window/unescape	/ja/docs/Web/JavaScript/Reference/Global_Objects/unescape
+/ja/docs/Web/API/Window/updateCommands	/ja/docs/conflicting/Web/API/Window
 /ja/docs/Web/API/Window/vrdisplayblur_event	/ja/docs/Web/API/Window
 /ja/docs/Web/API/Window/vrdisplaydisconnected_event	/ja/docs/Web/API/Window/vrdisplaydisconnect_event
 /ja/docs/Web/API/Window/vrdisplayfocus_event	/ja/docs/Web/API/Window
@@ -3507,7 +3508,7 @@
 /ja/docs/Web/API/window.toolbar	/ja/docs/Web/API/Window/toolbar
 /ja/docs/Web/API/window.top	/ja/docs/Web/API/Window/top
 /ja/docs/Web/API/window.unescape	/ja/docs/Web/JavaScript/Reference/Global_Objects/unescape
-/ja/docs/Web/API/window.updateCommands	/ja/docs/Web/API/Window/updateCommands
+/ja/docs/Web/API/window.updateCommands	/ja/docs/conflicting/Web/API/Window
 /ja/docs/Web/API/window.window	/ja/docs/Web/API/Window/window
 /ja/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_alert_role	/ja/docs/Web/Accessibility/ARIA/Roles/alert_role
 /ja/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_alertdialog_role	/ja/docs/Web/Accessibility/ARIA/Roles/alertdialog_role
diff --git a/files/ja/_wikihistory.json b/files/ja/_wikihistory.json
index b34ac3e5a64d31..2d571c5a8c8210 100644
--- a/files/ja/_wikihistory.json
+++ b/files/ja/_wikihistory.json
@@ -14651,10 +14651,6 @@
     "modified": "2020-10-15T22:11:48.537Z",
     "contributors": ["mfuji09", "wbamberg", "silverskyvicto"]
   },
-  "Web/API/Window/updateCommands": {
-    "modified": "2019-03-23T23:51:36.690Z",
-    "contributors": ["fscholz", "khalid32", "ethertank", "Potappo"]
-  },
   "Web/API/Window/visualViewport": {
     "modified": "2020-10-15T22:34:55.507Z",
     "contributors": ["Masaooooo"]
@@ -30244,6 +30240,10 @@
     "modified": "2020-10-15T22:32:47.070Z",
     "contributors": ["eltociear"]
   },
+  "conflicting/Web/API/Window": {
+    "modified": "2019-03-23T23:51:36.690Z",
+    "contributors": ["fscholz", "khalid32", "ethertank", "Potappo"]
+  },
   "conflicting/Web/API/console": {
     "modified": "2020-10-15T22:05:58.801Z",
     "contributors": ["yumemi-kuwahara"]
diff --git a/files/ja/web/api/window/updatecommands/index.md b/files/ja/conflicting/web/api/window/index.md
similarity index 92%
rename from files/ja/web/api/window/updatecommands/index.md
rename to files/ja/conflicting/web/api/window/index.md
index c5d6a9e0b3a590..4de402c82cd6f2 100644
--- a/files/ja/web/api/window/updatecommands/index.md
+++ b/files/ja/conflicting/web/api/window/index.md
@@ -1,6 +1,7 @@
 ---
 title: Window.updateCommands()
-slug: Web/API/Window/updateCommands
+slug: conflicting/Web/API/Window
+original_slug: Web/API/Window/updateCommands
 ---
 
 {{ ApiRef() }}{{Non-standard_header}}