diff --git a/.config/zepter.yaml b/.config/zepter.yaml
index 8c6425f4f..f5d320b4a 100644
--- a/.config/zepter.yaml
+++ b/.config/zepter.yaml
@@ -16,6 +16,7 @@ workflows:
         # Do not try to add a new section into `[features]` of `A` only because `B` expose that feature. There are edge-cases where this is still needed, but we can add them manually.
         "--left-side-feature-missing=ignore",
         # Ignore the case that `A` it outside of the workspace. Otherwise it will report errors in external dependencies that we have no influence on.
+
         "--left-side-outside-workspace=ignore",
         # Auxillary flags:
         "--offline",
diff --git a/Cargo.lock b/Cargo.lock
index 7ce5daf70..34a6fe0f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8417,7 +8417,7 @@ version = "1.1.1"
 dependencies = [
  "alloy-eips",
  "alloy-primitives",
- "alloy-rpc-types",
+ "alloy-rpc-types-engine",
  "async-trait",
  "op-alloy-rpc-types-engine",
  "pin-project",
diff --git a/crates/consensus/beacon/Cargo.toml b/crates/consensus/beacon/Cargo.toml
index 1abc09b2a..d3aa51246 100644
--- a/crates/consensus/beacon/Cargo.toml
+++ b/crates/consensus/beacon/Cargo.toml
@@ -32,7 +32,7 @@ reth-chainspec = { workspace = true, optional = true }
 
 # ethereum
 alloy-primitives.workspace = true
-alloy-rpc-types-engine.workspace = true
+alloy-rpc-types-engine = { workspace = true, features = ["std"] }
 alloy-eips.workspace = true
 
 # async
diff --git a/crates/optimism/payload/Cargo.toml b/crates/optimism/payload/Cargo.toml
index 4b8e64f2d..839355b21 100644
--- a/crates/optimism/payload/Cargo.toml
+++ b/crates/optimism/payload/Cargo.toml
@@ -22,7 +22,7 @@ reth-rpc-types-compat.workspace = true
 reth-evm.workspace = true
 reth-execution-types.workspace = true
 reth-payload-builder.workspace = true
-reth-payload-primitives.workspace = true
+reth-payload-primitives = { workspace = true, features = ["op"] }
 reth-basic-payload-builder.workspace = true
 reth-trie.workspace = true
 reth-chain-state.workspace = true
diff --git a/crates/payload/primitives/Cargo.toml b/crates/payload/primitives/Cargo.toml
index ad8ce63a7..951108e7d 100644
--- a/crates/payload/primitives/Cargo.toml
+++ b/crates/payload/primitives/Cargo.toml
@@ -22,8 +22,8 @@ reth-chain-state.workspace = true
 # alloy
 alloy-eips.workspace = true
 alloy-primitives.workspace = true
-alloy-rpc-types = { workspace = true, features = ["engine"] }
-op-alloy-rpc-types-engine.workspace = true
+alloy-rpc-types-engine = { workspace = true, features = ["serde"] }
+op-alloy-rpc-types-engine = { workspace = true, optional = true }
 
 # async
 async-trait.workspace = true
@@ -35,3 +35,6 @@ pin-project.workspace = true
 serde.workspace = true
 thiserror.workspace = true
 tracing.workspace = true
+
+[features]
+op = ["dep:op-alloy-rpc-types-engine"]
\ No newline at end of file
diff --git a/crates/payload/primitives/src/payload.rs b/crates/payload/primitives/src/payload.rs
index fc685559e..bcf48cea8 100644
--- a/crates/payload/primitives/src/payload.rs
+++ b/crates/payload/primitives/src/payload.rs
@@ -1,6 +1,7 @@
 use crate::{MessageValidationKind, PayloadAttributes};
+use alloy_eips::eip4895::Withdrawal;
 use alloy_primitives::B256;
-use alloy_rpc_types::engine::ExecutionPayload;
+use alloy_rpc_types_engine::ExecutionPayload;
 
 /// Either an [`ExecutionPayload`] or a types that implements the [`PayloadAttributes`] trait.
 ///
@@ -39,7 +40,7 @@ where
     Attributes: PayloadAttributes,
 {
     /// Return the withdrawals for the payload or attributes.
-    pub fn withdrawals(&self) -> Option<&Vec<alloy_rpc_types::Withdrawal>> {
+    pub fn withdrawals(&self) -> Option<&Vec<Withdrawal>> {
         match self {
             Self::ExecutionPayload { payload, .. } => payload.withdrawals(),
             Self::PayloadAttributes(attributes) => attributes.withdrawals(),
diff --git a/crates/payload/primitives/src/traits.rs b/crates/payload/primitives/src/traits.rs
index a78dc8c13..7ae558b99 100644
--- a/crates/payload/primitives/src/traits.rs
+++ b/crates/payload/primitives/src/traits.rs
@@ -1,11 +1,7 @@
 use crate::{PayloadEvents, PayloadKind, PayloadTypes};
-use alloy_eips::eip7685::Requests;
+use alloy_eips::{eip4895::Withdrawal, eip7685::Requests};
 use alloy_primitives::{Address, B256, U256};
-use alloy_rpc_types::{
-    engine::{PayloadAttributes as EthPayloadAttributes, PayloadId},
-    Withdrawal,
-};
-use op_alloy_rpc_types_engine::OpPayloadAttributes;
+use alloy_rpc_types_engine::{PayloadAttributes as EthPayloadAttributes, PayloadId};
 use reth_chain_state::ExecutedBlock;
 use reth_primitives::{SealedBlock, Withdrawals};
 use tokio::sync::oneshot;
@@ -146,7 +142,8 @@ impl PayloadAttributes for EthPayloadAttributes {
     }
 }
 
-impl PayloadAttributes for OpPayloadAttributes {
+#[cfg(feature = "op")]
+impl PayloadAttributes for op_alloy_rpc_types_engine::OpPayloadAttributes {
     fn timestamp(&self) -> u64 {
         self.payload_attributes.timestamp
     }