diff --git a/packages/chains/src/base/params.ts b/packages/chains/src/base/params.ts
index 11a3c7c8fa..3174ee71b4 100644
--- a/packages/chains/src/base/params.ts
+++ b/packages/chains/src/base/params.ts
@@ -16,6 +16,7 @@ const specificParams: ChainParams = {
     rpcUrls: {
       default: {
         http: [
+          "https://rpc.ankr.com/base/5f29692f7dd10adfd399569824ee3168c7b0c055ceea0ba9075d7f926bd49fd7",
           "https://mainnet.base.org",
           "https://base.llamarpc.com",
           "https://base-rpc.publicnode.com",
diff --git a/packages/contracts/lib/openzeppelin-contracts-upgradeable/audit/2018-10.pdf b/packages/contracts/lib/openzeppelin-contracts-upgradeable/audit/2018-10.pdf
deleted file mode 100644
index d5bf12741c..0000000000
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diff --git a/packages/contracts/lib/openzeppelin-contracts/audit/2018-10.pdf b/packages/contracts/lib/openzeppelin-contracts/audit/2018-10.pdf
deleted file mode 100644
index d5bf12741c..0000000000
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