diff --git a/packages/app/src/context/settings.tsx b/packages/app/src/context/settings.tsx
index 35adaf0e88..c6925b2fc8 100644
--- a/packages/app/src/context/settings.tsx
+++ b/packages/app/src/context/settings.tsx
@@ -57,7 +57,7 @@ export const terminalDefault = "JetBrainsMono Nerd Font Mono"
 const legacyNewLayoutDesignsDefault = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod"
 export const newLayoutDesignsDefault = true
 // Existing users can switch layouts until local midnight on this date. Set new Date(YYYY, M-1, D) to show.
-export const oldInterfaceSunset = null as Date | null
+export const oldInterfaceSunset = import.meta.env.VITE_OPENCODE_CHANNEL !== "prod" ? new Date(2026, 7, 14) : null
 
 export function layoutTransitionState(scheduled: boolean, eligible: boolean, retired: boolean, dismissed: boolean) {
   return {