diff --git a/web3_proxy/src/bin/web3_proxy_cli/proxyd.rs b/web3_proxy/src/bin/web3_proxy_cli/proxyd.rs
index 77baaca0..a212fdfa 100644
--- a/web3_proxy/src/bin/web3_proxy_cli/proxyd.rs
+++ b/web3_proxy/src/bin/web3_proxy_cli/proxyd.rs
@@ -420,7 +420,7 @@ mod tests {
 
         // mine a block
         let _: U256 = anvil_provider
-            .request("evm_mine", None::<()>)
+            .request("evm_mine", ())
             .await
             .unwrap();