diff --git a/packages/arb-token-bridge-ui/src/components/TransferPanel/TransferPanel.tsx b/packages/arb-token-bridge-ui/src/components/TransferPanel/TransferPanel.tsx
index 8264587be1..9f519523fc 100644
--- a/packages/arb-token-bridge-ui/src/components/TransferPanel/TransferPanel.tsx
+++ b/packages/arb-token-bridge-ui/src/components/TransferPanel/TransferPanel.tsx
@@ -102,7 +102,6 @@ import {
   getTokenOverride,
   isValidLifiTransfer
 } from '../../app/api/crosschain-transfers/utils'
-import { NoteBox } from '../common/NoteBox'
 
 const signerUndefinedError = 'Signer is undefined'
 const transferNotAllowedError = 'Transfer not allowed'
@@ -1376,14 +1375,6 @@ export function TransferPanel() {
           'sm:rounded sm:border'
         )}
       >
-        {/* PoP Apex 70700 and PoP Boss 70701 */}
-        {(childChain.id === 70700 || childChain.id === 70701) && (
-          <NoteBox variant="warning" className="mb-4">
-            Proof of Play will be deprecating their chains Proof of Play Apex
-            and Proof of Play Boss on Sept 27th, please withdraw funds now.
-          </NoteBox>
-        )}
-
         <TransferPanelMain />
         {showSettingsButton && (
           <div className="z-50 mb-2 ml-auto sm:relative">
diff --git a/packages/arb-token-bridge-ui/src/components/TransferPanel/useTransferReadiness.ts b/packages/arb-token-bridge-ui/src/components/TransferPanel/useTransferReadiness.ts
index da3885c831..d9f7655f41 100644
--- a/packages/arb-token-bridge-ui/src/components/TransferPanel/useTransferReadiness.ts
+++ b/packages/arb-token-bridge-ui/src/components/TransferPanel/useTransferReadiness.ts
@@ -49,7 +49,7 @@ import { Token } from '../../app/api/crosschain-transfers/types'
 export const DISABLED_CHAIN_IDS: number[] = []
 
 // withdraw-only chains (will also display error message in the transfer panel)
-const WITHDRAW_ONLY_CHAIN_IDS: number[] = [98865, 70700, 70701] // Plume Legacy, PoP Apex, PoP Boss
+const WITHDRAW_ONLY_CHAIN_IDS: number[] = [98865] // Plume Legacy
 
 type ErrorMessages = {
   inputAmount1?: string | TransferReadinessRichErrorMessage
diff --git a/packages/arb-token-bridge-ui/src/util/networks.ts b/packages/arb-token-bridge-ui/src/util/networks.ts
index a139d071c3..e3d48bc165 100644
--- a/packages/arb-token-bridge-ui/src/util/networks.ts
+++ b/packages/arb-token-bridge-ui/src/util/networks.ts
@@ -348,8 +348,6 @@ export const l2MoonGatewayAddresses: { [chainId: number]: string } = {
 }
 
 export const l2UsdcGatewayAddresses: { [chainId: number]: string } = {
-  // PoP Apex
-  70700: '0x97e2b88b44946cd932fb85675412699723200987',
   // Superposition
   [ChainId.Superposition]: '0xF70ae1Af7D49dA0f7D66Bb55469caC9da336181b'
 }
diff --git a/packages/arb-token-bridge-ui/src/util/orbitChainsData.json b/packages/arb-token-bridge-ui/src/util/orbitChainsData.json
index eb380fef41..e09b4c605b 100644
--- a/packages/arb-token-bridge-ui/src/util/orbitChainsData.json
+++ b/packages/arb-token-bridge-ui/src/util/orbitChainsData.json
@@ -132,90 +132,6 @@
         }
       }
     },
-    {
-      "chainId": 70700,
-      "confirmPeriodBlocks": 40320,
-      "ethBridge": {
-        "bridge": "0x074fFD20C6D8865752C997f4980Cf70F2a3Fbac6",
-        "inbox": "0xC3874bE54E3f25BBC6B4fB582654fd9294f485a1",
-        "outbox": "0x0cD85675897B7020d7121e63AB250d3F47ff3Ff2",
-        "rollup": "0x65AD139061B3f6DDb16170a07b925337ddf42407",
-        "sequencerInbox": "0xa58F38102579dAE7C584850780dDA55744f67DF1"
-      },
-      "explorerUrl": "https://explorer.apex.proofofplay.com",
-      "rpcUrl": "https://rpc.apex.proofofplay.com",
-      "name": "Proof of Play Apex",
-      "slug": "pop-apex",
-      "parentChainId": 42161,
-      "isCustom": true,
-      "isTestnet": false,
-      "tokenBridge": {
-        "parentCustomGateway": "0x653f8D34a86207569069164d45a031eE552A4729",
-        "parentErc20Gateway": "0x298eb8d9f2F046AC60c01535fad40320CCdeB7c0",
-        "parentGatewayRouter": "0x2f883c5997Cf60B4d52a2fD4039918E1f9D1147c",
-        "parentMultiCall": "0x90B02D9F861017844F30dFbdF725b6aa84E63822",
-        "parentProxyAdmin": "0xCC6f49cff395c4d160C61112522700dcB007c41d",
-        "parentWeth": "0x82aF49447D8a07e3bd95BD0d56f35241523fBab1",
-        "parentWethGateway": "0xEB2Ae03709f63CEa9E5eC6ab25C1838c4A5634BA",
-        "childCustomGateway": "0x1a4ba648Ddc0E726085A847178eBff204411EB1A",
-        "childErc20Gateway": "0x7aEdD5a2F3bBd4841711D017Edf90d611aD96a9e",
-        "childGatewayRouter": "0x33e59640CD7E5C5E8D43fd46d995efDdDd0Fc930",
-        "childMultiCall": "0xEB4150a4F26Cf3563B3a86965E269C8873D48527",
-        "childProxyAdmin": "0x518e5FA773118b779a6231303f5593A10D3B3c84",
-        "childWeth": "0x77684A04145a5924eFCE0D92A7c4a2A2E8C359de",
-        "childWethGateway": "0x6e965dd667cb08f09DE8285317f012Ac889507b4"
-      },
-      "bridgeUiConfig": {
-        "color": "#6C41FF",
-        "network": {
-          "name": "Proof of Play Apex",
-          "description": "Apex is the first chain in Proof of Play's Multichain, powering the popular Pirate Nation game.",
-          "logo": "/images/PopApexLogo.webp"
-        }
-      }
-    },
-    {
-      "chainId": 70701,
-      "confirmPeriodBlocks": 43200,
-      "ethBridge": {
-        "bridge": "0x53D82686BC9827fEc03bcEe661B37b855A18EcA9",
-        "inbox": "0xEe30EfcaF812d10e1EFE25E9458f76a39DAD3239",
-        "outbox": "0xa4270256B160C3Ebec2d6914a906c7EC38D8d072",
-        "rollup": "0x330F8fEB25f3427cABA32446728C36ae67f2135b",
-        "sequencerInbox": "0x6eE94AD8057Fd7Ba4d47bb6278a261c8a9FD4E3f"
-      },
-      "explorerUrl": "https://explorer-proofofplay-boss-mainnet.t.conduit.xyz",
-      "rpcUrl": "https://rpc.boss.proofofplay.com",
-      "name": "Proof of Play Boss",
-      "slug": "pop-boss",
-      "parentChainId": 42161,
-      "isCustom": true,
-      "isTestnet": false,
-      "tokenBridge": {
-        "parentCustomGateway": "0x7D25Cc5b71AC932F696F3f4Da109e867395f4F05",
-        "parentErc20Gateway": "0x410a210d51597be9e575F9b46c11eB865c0Ee073",
-        "parentGatewayRouter": "0x48e067CC8eedc2f6E6dfB7192E7E32158A7de0E2",
-        "parentMultiCall": "0x90B02D9F861017844F30dFbdF725b6aa84E63822",
-        "parentProxyAdmin": "0x490C4c92Ea9FF02EE8277222C66afD80Bfb1b7c1",
-        "parentWeth": "0x82aF49447D8a07e3bd95BD0d56f35241523fBab1",
-        "parentWethGateway": "0x7480A89d1e360e512493489711EC7bc8eE7acfD6",
-        "childCustomGateway": "0xA534bFDaBBac7F0511E97bDFCE8aB72bd7380355",
-        "childErc20Gateway": "0xb7B9a171D4B318e87e198A028b0650Bf3Fa16615",
-        "childGatewayRouter": "0x2DDb10B368c5D31BEb395Cbb16f0bC6Ffea7eE08",
-        "childMultiCall": "0xFcA54035D5CceE942674721E8Ab5aB37d88D82b9",
-        "childProxyAdmin": "0x63a766C4C8f1c54cD818A7Ab67A9AF54a78cB82F",
-        "childWeth": "0x993232978869f1772Fb5D282Fdbcb0f6C5ef744D",
-        "childWethGateway": "0x9c0c007880e04685947d13533dCa27BF2AAEc0Ec"
-      },
-      "bridgeUiConfig": {
-        "color": "#3E63DD",
-        "network": {
-          "name": "Proof of Play Boss",
-          "description": "Proof of Play Boss is a gaming-focused L3 settling on Arbitrum using the Orbit Stack and AnyTrust DA.",
-          "logo": "/images/PopApexLogo.webp"
-        }
-      }
-    },
     {
       "chainId": 94524,
       "confirmPeriodBlocks": 40320,