diff --git a/apps/playground-web/src/app/x402/components/X402LeftSection.tsx b/apps/playground-web/src/app/x402/components/X402LeftSection.tsx
index f13c2504fc9..2c2ef86a57b 100644
--- a/apps/playground-web/src/app/x402/components/X402LeftSection.tsx
+++ b/apps/playground-web/src/app/x402/components/X402LeftSection.tsx
@@ -128,6 +128,7 @@ export function X402LeftSection(props: {
               onChange={handleChainChange}
               placeholder="Select a chain"
               className="bg-card"
+              disableDeprecated
             />
           </div>