diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 9aa9afc..ffc921a 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -848,6 +848,12 @@
     "accessibility.screen_ai.scheduled_deletion_time";
 #endif
 
+// Deprecated 05/2023.
+#if BUILDFLAG(IS_CHROMEOS_ASH)
+const char kEventRemappedToRightClick[] =
+    "ash.settings.event_remapped_to_right_click";
+#endif
+
 // Register local state used only for migration (clearing or moving to a new
 // key).
 void RegisterLocalStatePrefsForMigration(PrefRegistrySimple* registry) {
@@ -1185,6 +1191,11 @@
 #if BUILDFLAG(IS_CHROMEOS_ASH)
   registry->RegisterStringPref(kSamlPasswordSyncToken, std::string());
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
+
+// Deprecated 05/2023.
+#if BUILDFLAG(IS_CHROMEOS_ASH)
+  registry->RegisterBooleanPref(kEventRemappedToRightClick, false);
+#endif  // BUILDFLAG(IS_CHROMEOS_ASH)
 }
 
 }  // namespace
@@ -2248,6 +2259,11 @@
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)
 
 // Added 05/2023.
+#if BUILDFLAG(IS_CHROMEOS_ASH)
+  profile_prefs->ClearPref(kEventRemappedToRightClick);
+#endif  // BUILDFLAG(IS_CHROMEOS_ASH)
+
+// Added 05/2023.
 #if BUILDFLAG(IS_ANDROID)
   profile_prefs->ClearPref(kTimesUPMAuthErrorShown);
 #endif  // BUILDFLAG(IS_ANDROID)