diff --git a/packages/circuit-ui/components/SidePanel/SidePanelContext.spec.tsx b/packages/circuit-ui/components/SidePanel/SidePanelContext.spec.tsx
index bca7fa74ea..4ef19948ac 100644
--- a/packages/circuit-ui/components/SidePanel/SidePanelContext.spec.tsx
+++ b/packages/circuit-ui/components/SidePanel/SidePanelContext.spec.tsx
@@ -58,9 +58,12 @@ vi.mock('./SidePanel.js', () => ({
     onAfterClose,
     children,
   }: { open: boolean; onAfterClose?: () => void; children: ReactNode }) => {
-    useEffect(() => () => {
+    useEffect(
+      () => () => {
         onAfterClose?.();
-      }, [onAfterClose]);
+      },
+      [onAfterClose],
+    );
 
     return <dialog open={open}>{children}</dialog>;
   },
diff --git a/packages/circuit-ui/components/SidePanel/components/DesktopSidePanel/DesktopSidePanel.tsx b/packages/circuit-ui/components/SidePanel/components/DesktopSidePanel/DesktopSidePanel.tsx
index 930dbafcca..d3afdd3288 100644
--- a/packages/circuit-ui/components/SidePanel/components/DesktopSidePanel/DesktopSidePanel.tsx
+++ b/packages/circuit-ui/components/SidePanel/components/DesktopSidePanel/DesktopSidePanel.tsx
@@ -66,15 +66,6 @@ export const DesktopSidePanel = forwardRef<
     return () => clearTimeout(timeoutId);
   }, [open]);
 
-  useEffect(
-    () => () => {
-      if (dialogRef.current) {
-        dialogRef.current?.close();
-      }
-      void onClose?.();
-    },
-    [onClose],
-  );
   const [isOpen, setIsOpen] = useState(false);
 
   function onEscapeKey() {