diff --git a/crates/optimism/rpc/src/eth/mod.rs b/crates/optimism/rpc/src/eth/mod.rs
index 6b909f012c55..efa563880fdf 100644
--- a/crates/optimism/rpc/src/eth/mod.rs
+++ b/crates/optimism/rpc/src/eth/mod.rs
@@ -90,7 +90,7 @@ where
             ctx.network.clone(),
             ctx.cache.clone(),
             ctx.new_gas_price_oracle(),
-            ctx.config.rpc_gas_cap,
+            ctx.config.rpc_gas_cap.into(),
             ctx.config.rpc_max_simulate_blocks,
             ctx.config.eth_proof_window,
             blocking_task_pool,
diff --git a/crates/rpc/rpc/src/eth/core.rs b/crates/rpc/rpc/src/eth/core.rs
index b6b37c9f393e..e0f7a5593b40 100644
--- a/crates/rpc/rpc/src/eth/core.rs
+++ b/crates/rpc/rpc/src/eth/core.rs
@@ -62,7 +62,7 @@ where
         network: Network,
         eth_cache: EthStateCache,
         gas_oracle: GasPriceOracle<Provider>,
-        gas_cap: impl Into<GasCap>,
+        gas_cap: GasCap,
         max_simulate_blocks: u64,
         eth_proof_window: u64,
         blocking_task_pool: BlockingTaskPool,
@@ -119,7 +119,7 @@ where
             ctx.network.clone(),
             ctx.cache.clone(),
             ctx.new_gas_price_oracle(),
-            ctx.config.rpc_gas_cap,
+            ctx.config.rpc_gas_cap.into(),
             ctx.config.rpc_max_simulate_blocks,
             ctx.config.eth_proof_window,
             blocking_task_pool,
@@ -270,7 +270,7 @@ where
         network: Network,
         eth_cache: EthStateCache,
         gas_oracle: GasPriceOracle<Provider>,
-        gas_cap: impl Into<GasCap>,
+        gas_cap: GasCap,
         max_simulate_blocks: u64,
         eth_proof_window: u64,
         blocking_task_pool: BlockingTaskPool,
@@ -297,7 +297,7 @@ where
             signers,
             eth_cache,
             gas_oracle,
-            gas_cap: gas_cap.into().into(),
+            gas_cap: gas_cap.into(),
             max_simulate_blocks,
             eth_proof_window,
             starting_block,
diff --git a/crates/rpc/rpc/src/eth/helpers/transaction.rs b/crates/rpc/rpc/src/eth/helpers/transaction.rs
index 8ac0785b2620..fc80f928657b 100644
--- a/crates/rpc/rpc/src/eth/helpers/transaction.rs
+++ b/crates/rpc/rpc/src/eth/helpers/transaction.rs
@@ -66,7 +66,7 @@ mod tests {
             noop_network_provider,
             cache.clone(),
             GasPriceOracle::new(noop_provider, Default::default(), cache.clone()),
-            ETHEREUM_BLOCK_GAS_LIMIT,
+            ETHEREUM_BLOCK_GAS_LIMIT.into(),
             DEFAULT_MAX_SIMULATE_BLOCKS,
             DEFAULT_ETH_PROOF_WINDOW,
             BlockingTaskPool::build().expect("failed to build tracing pool"),