diff --git a/shell/browser/ui/inspectable_web_contents_view_mac.mm b/shell/browser/ui/inspectable_web_contents_view_mac.mm
index 175678f037..7f465e173b 100644
--- a/shell/browser/ui/inspectable_web_contents_view_mac.mm
+++ b/shell/browser/ui/inspectable_web_contents_view_mac.mm
@@ -24,6 +24,7 @@ InspectableWebContentsViewMac::InspectableWebContentsViewMac(
           initWithInspectableWebContentsViewMac:this]) {}
 
 InspectableWebContentsViewMac::~InspectableWebContentsViewMac() {
+  [[NSNotificationCenter defaultCenter] removeObserver:view_];
   CloseDevTools();
 }