diff --git a/crates/consensus/debug-client/src/client.rs b/crates/consensus/debug-client/src/client.rs
index 7ef79d515809a..a237ba084f14d 100644
--- a/crates/consensus/debug-client/src/client.rs
+++ b/crates/consensus/debug-client/src/client.rs
@@ -206,11 +206,7 @@ pub fn block_to_execution_payload_v3(block: Block) -> ExecutionNewPayload {
                 block_hash: block.header.hash,
                 transactions: transactions
                     .into_iter()
-                    .map(|tx| {
-                        let mut buffer: Vec<u8> = vec![];
-                        tx.inner.encode_2718(&mut buffer);
-                        buffer.into()
-                    })
+                    .map(|tx| tx.inner.encoded_2718().into())
                     .collect(),
             },
             withdrawals: block.withdrawals.clone().unwrap_or_default().to_vec(),
diff --git a/crates/optimism/chainspec/src/lib.rs b/crates/optimism/chainspec/src/lib.rs
index 4b116a8d7b9f1..a60a9a22abc22 100644
--- a/crates/optimism/chainspec/src/lib.rs
+++ b/crates/optimism/chainspec/src/lib.rs
@@ -20,7 +20,7 @@ mod op_sepolia;
 use alloc::{boxed::Box, vec, vec::Vec};
 use alloy_chains::Chain;
 use alloy_genesis::Genesis;
-use alloy_primitives::{Bytes, PrimitiveSignature as Signature, B256, U256};
+use alloy_primitives::{Bytes, B256, U256};
 pub use base::BASE_MAINNET;
 pub use base_sepolia::BASE_SEPOLIA;
 use derive_more::{Constructor, Deref, Display, From, Into};
@@ -256,12 +256,6 @@ pub fn decode_holocene_1559_params(extra_data: Bytes) -> Result<(u32, u32), Deco
     Ok((u32::from_be_bytes(denominator), u32::from_be_bytes(elasticity)))
 }
 
-/// Returns the signature for the optimism deposit transactions, which don't include a
-/// signature.
-pub fn optimism_deposit_tx_signature() -> Signature {
-    Signature::new(U256::ZERO, U256::ZERO, false)
-}
-
 impl EthChainSpec for OpChainSpec {
     fn chain(&self) -> alloy_chains::Chain {
         self.inner.chain()
diff --git a/crates/primitives-traits/src/header/sealed.rs b/crates/primitives-traits/src/header/sealed.rs
index 7119a37e742aa..7552ece31f103 100644
--- a/crates/primitives-traits/src/header/sealed.rs
+++ b/crates/primitives-traits/src/header/sealed.rs
@@ -1,4 +1,5 @@
 use super::Header;
+use alloy_consensus::Sealed;
 use alloy_eips::BlockNumHash;
 use alloy_primitives::{keccak256, BlockHash, Sealable};
 #[cfg(any(test, feature = "test-utils"))]
@@ -132,6 +133,12 @@ impl SealedHeader {
     }
 }
 
+impl<H> From<SealedHeader<H>> for Sealed<H> {
+    fn from(value: SealedHeader<H>) -> Self {
+        Self::new_unchecked(value.header, value.hash)
+    }
+}
+
 #[cfg(any(test, feature = "arbitrary"))]
 impl<'a> arbitrary::Arbitrary<'a> for SealedHeader {
     fn arbitrary(u: &mut arbitrary::Unstructured<'a>) -> arbitrary::Result<Self> {
diff --git a/crates/primitives/src/transaction/mod.rs b/crates/primitives/src/transaction/mod.rs
index 0525c050baddb..73ba4baf75459 100644
--- a/crates/primitives/src/transaction/mod.rs
+++ b/crates/primitives/src/transaction/mod.rs
@@ -1442,19 +1442,7 @@ impl Encodable2718 for TransactionSigned {
     }
 
     fn encode_2718(&self, out: &mut dyn alloy_rlp::BufMut) {
-        match &self.transaction {
-            Transaction::Legacy(legacy_tx) => legacy_tx.eip2718_encode(&self.signature, out),
-            Transaction::Eip2930(access_list_tx) => {
-                access_list_tx.eip2718_encode(&self.signature, out)
-            }
-            Transaction::Eip1559(dynamic_fee_tx) => {
-                dynamic_fee_tx.eip2718_encode(&self.signature, out)
-            }
-            Transaction::Eip4844(blob_tx) => blob_tx.eip2718_encode(&self.signature, out),
-            Transaction::Eip7702(set_code_tx) => set_code_tx.eip2718_encode(&self.signature, out),
-            #[cfg(feature = "optimism")]
-            Transaction::Deposit(deposit_tx) => deposit_tx.eip2718_encode(out),
-        }
+        self.transaction.eip2718_encode(&self.signature, out)
     }
 }
 
diff --git a/crates/primitives/src/transaction/pooled.rs b/crates/primitives/src/transaction/pooled.rs
index d41e703265c15..9bf40cd45157b 100644
--- a/crates/primitives/src/transaction/pooled.rs
+++ b/crates/primitives/src/transaction/pooled.rs
@@ -399,23 +399,18 @@ impl Encodable2718 for PooledTransactionsElement {
     fn encode_2718_len(&self) -> usize {
         match self {
             Self::Legacy { transaction, signature, .. } => {
-                // method computes the payload len with a RLP header
                 transaction.eip2718_encoded_length(signature)
             }
             Self::Eip2930 { transaction, signature, .. } => {
-                // method computes the payload len without a RLP header
                 transaction.eip2718_encoded_length(signature)
             }
             Self::Eip1559 { transaction, signature, .. } => {
-                // method computes the payload len without a RLP header
                 transaction.eip2718_encoded_length(signature)
             }
             Self::Eip7702 { transaction, signature, .. } => {
-                // method computes the payload len without a RLP header
                 transaction.eip2718_encoded_length(signature)
             }
             Self::BlobTransaction(BlobTransaction { transaction, signature, .. }) => {
-                // the encoding does not use a header, so we set `with_header` to false
                 transaction.eip2718_encoded_length(signature)
             }
         }
diff --git a/crates/rpc/rpc-api/src/otterscan.rs b/crates/rpc/rpc-api/src/otterscan.rs
index 62e5676fe5086..ee805b482c34f 100644
--- a/crates/rpc/rpc-api/src/otterscan.rs
+++ b/crates/rpc/rpc-api/src/otterscan.rs
@@ -1,5 +1,6 @@
 use alloy_json_rpc::RpcObject;
 use alloy_primitives::{Address, Bytes, TxHash, B256};
+use alloy_rpc_types::Header;
 use alloy_rpc_types_trace::otterscan::{
     BlockDetails, ContractCreator, InternalOperation, OtsBlockTransactions, TraceEntry,
     TransactionsWithReceipts,
@@ -10,7 +11,7 @@ use reth_primitives::BlockId;
 /// Otterscan rpc interface.
 #[cfg_attr(not(feature = "client"), rpc(server, namespace = "ots"))]
 #[cfg_attr(feature = "client", rpc(server, client, namespace = "ots"))]
-pub trait Otterscan<T: RpcObject, H: RpcObject> {
+pub trait Otterscan<T: RpcObject> {
     /// Get the block header by block number, required by otterscan.
     /// Otterscan currently requires this endpoint, used as:
     ///
@@ -19,7 +20,7 @@ pub trait Otterscan<T: RpcObject, H: RpcObject> {
     ///
     /// Ref: <https://github.com/otterscan/otterscan/blob/071d8c55202badf01804f6f8d53ef9311d4a9e47/src/useProvider.ts#L71>
     #[method(name = "getHeaderByNumber", aliases = ["erigon_getHeaderByNumber"])]
-    async fn get_header_by_number(&self, block_number: u64) -> RpcResult<Option<H>>;
+    async fn get_header_by_number(&self, block_number: u64) -> RpcResult<Option<Header>>;
 
     /// Check if a certain address contains a deployed code.
     #[method(name = "hasCode")]
@@ -47,11 +48,11 @@ pub trait Otterscan<T: RpcObject, H: RpcObject> {
     /// Tailor-made and expanded version of eth_getBlockByNumber for block details page in
     /// Otterscan.
     #[method(name = "getBlockDetails")]
-    async fn get_block_details(&self, block_number: u64) -> RpcResult<BlockDetails<H>>;
+    async fn get_block_details(&self, block_number: u64) -> RpcResult<BlockDetails>;
 
     /// Tailor-made and expanded version of eth_getBlockByHash for block details page in Otterscan.
     #[method(name = "getBlockDetailsByHash")]
-    async fn get_block_details_by_hash(&self, block_hash: B256) -> RpcResult<BlockDetails<H>>;
+    async fn get_block_details_by_hash(&self, block_hash: B256) -> RpcResult<BlockDetails>;
 
     /// Get paginated transactions for a certain block. Also remove some verbose fields like logs.
     #[method(name = "getBlockTransactions")]
@@ -60,7 +61,7 @@ pub trait Otterscan<T: RpcObject, H: RpcObject> {
         block_number: u64,
         page_number: usize,
         page_size: usize,
-    ) -> RpcResult<OtsBlockTransactions<T, H>>;
+    ) -> RpcResult<OtsBlockTransactions<T>>;
 
     /// Gets paginated inbound/outbound transaction calls for a certain address.
     #[method(name = "searchTransactionsBefore")]
diff --git a/crates/rpc/rpc-builder/tests/it/http.rs b/crates/rpc/rpc-builder/tests/it/http.rs
index 89aafce9f36fb..ed9ef56d62bf6 100644
--- a/crates/rpc/rpc-builder/tests/it/http.rs
+++ b/crates/rpc/rpc-builder/tests/it/http.rs
@@ -4,7 +4,7 @@
 use crate::utils::{launch_http, launch_http_ws, launch_ws};
 use alloy_primitives::{hex_literal::hex, Address, Bytes, TxHash, B256, B64, U256, U64};
 use alloy_rpc_types_eth::{
-    transaction::TransactionRequest, Block, FeeHistory, Filter, Header, Index, Log,
+    transaction::TransactionRequest, Block, FeeHistory, Filter, Index, Log,
     PendingTransactionFilterKind, SyncStatus, Transaction, TransactionReceipt,
 };
 use alloy_rpc_types_trace::filter::TraceFilter;
@@ -399,32 +399,28 @@ where
     let nonce = 1;
     let block_hash = B256::default();
 
-    OtterscanClient::<Transaction, Header>::get_header_by_number(client, block_number)
-        .await
-        .unwrap();
+    OtterscanClient::<Transaction>::get_header_by_number(client, block_number).await.unwrap();
 
-    OtterscanClient::<Transaction, Header>::has_code(client, address, None).await.unwrap();
-    OtterscanClient::<Transaction, Header>::has_code(client, address, Some(block_number.into()))
+    OtterscanClient::<Transaction>::has_code(client, address, None).await.unwrap();
+    OtterscanClient::<Transaction>::has_code(client, address, Some(block_number.into()))
         .await
         .unwrap();
 
-    OtterscanClient::<Transaction, Header>::get_api_level(client).await.unwrap();
+    OtterscanClient::<Transaction>::get_api_level(client).await.unwrap();
 
-    OtterscanClient::<Transaction, Header>::get_internal_operations(client, tx_hash).await.unwrap();
+    OtterscanClient::<Transaction>::get_internal_operations(client, tx_hash).await.unwrap();
 
-    OtterscanClient::<Transaction, Header>::get_transaction_error(client, tx_hash).await.unwrap();
+    OtterscanClient::<Transaction>::get_transaction_error(client, tx_hash).await.unwrap();
 
-    OtterscanClient::<Transaction, Header>::trace_transaction(client, tx_hash).await.unwrap();
+    OtterscanClient::<Transaction>::trace_transaction(client, tx_hash).await.unwrap();
 
-    OtterscanClient::<Transaction, Header>::get_block_details(client, block_number)
-        .await
-        .unwrap_err();
+    OtterscanClient::<Transaction>::get_block_details(client, block_number).await.unwrap_err();
 
-    OtterscanClient::<Transaction, Header>::get_block_details_by_hash(client, block_hash)
+    OtterscanClient::<Transaction>::get_block_details_by_hash(client, block_hash)
         .await
         .unwrap_err();
 
-    OtterscanClient::<Transaction, Header>::get_block_transactions(
+    OtterscanClient::<Transaction>::get_block_transactions(
         client,
         block_number,
         page_number,
@@ -435,7 +431,7 @@ where
     .unwrap();
 
     assert!(is_unimplemented(
-        OtterscanClient::<Transaction, Header>::search_transactions_before(
+        OtterscanClient::<Transaction>::search_transactions_before(
             client,
             address,
             block_number,
@@ -446,7 +442,7 @@ where
         .unwrap()
     ));
     assert!(is_unimplemented(
-        OtterscanClient::<Transaction, Header>::search_transactions_after(
+        OtterscanClient::<Transaction>::search_transactions_after(
             client,
             address,
             block_number,
@@ -456,13 +452,13 @@ where
         .err()
         .unwrap()
     ));
-    assert!(OtterscanClient::<Transaction, Header>::get_transaction_by_sender_and_nonce(
+    assert!(OtterscanClient::<Transaction>::get_transaction_by_sender_and_nonce(
         client, sender, nonce
     )
     .await
     .err()
     .is_none());
-    assert!(OtterscanClient::<Transaction, Header>::get_contract_creator(client, address)
+    assert!(OtterscanClient::<Transaction>::get_contract_creator(client, address)
         .await
         .unwrap()
         .is_none());
diff --git a/crates/rpc/rpc-eth-api/src/helpers/block.rs b/crates/rpc/rpc-eth-api/src/helpers/block.rs
index 090f2ab0d562c..288f5dfc0f192 100644
--- a/crates/rpc/rpc-eth-api/src/helpers/block.rs
+++ b/crates/rpc/rpc-eth-api/src/helpers/block.rs
@@ -188,20 +188,7 @@ pub trait EthBlocks: LoadBlock {
             }
             .unwrap_or_default();
 
-            Ok(uncles.into_iter().nth(index.into()).map(|uncle| {
-                let block = Block::uncle_from_header(uncle);
-                Block {
-                    header: Header {
-                        inner: block.header.inner,
-                        size: block.header.size,
-                        total_difficulty: block.header.total_difficulty,
-                        hash: block.header.hash,
-                    },
-                    uncles: block.uncles,
-                    transactions: block.transactions,
-                    withdrawals: block.withdrawals,
-                }
-            }))
+            Ok(uncles.into_iter().nth(index.into()).map(Block::uncle_from_header))
         }
     }
 }
diff --git a/crates/rpc/rpc-types-compat/src/block.rs b/crates/rpc/rpc-types-compat/src/block.rs
index c56c51f5ad2c1..3b297ba0bc36c 100644
--- a/crates/rpc/rpc-types-compat/src/block.rs
+++ b/crates/rpc/rpc-types-compat/src/block.rs
@@ -99,17 +99,6 @@ pub fn from_block_full<T: TransactionCompat>(
     ))
 }
 
-/// Converts from a [`reth_primitives::SealedHeader`] to a [`alloy-rpc-types::Header`]
-///
-/// # Note
-///
-/// This does not set the `totalDifficulty` field.
-pub fn from_primitive_with_hash(primitive_header: reth_primitives::SealedHeader) -> Header {
-    let (inner, hash) = primitive_header.split();
-
-    Header { hash, inner, total_difficulty: None, size: None }
-}
-
 #[inline]
 fn from_block_with_transactions<T>(
     block_length: usize,
diff --git a/crates/rpc/rpc/src/eth/pubsub.rs b/crates/rpc/rpc/src/eth/pubsub.rs
index 663ec0b99d6da..922694cdba63e 100644
--- a/crates/rpc/rpc/src/eth/pubsub.rs
+++ b/crates/rpc/rpc/src/eth/pubsub.rs
@@ -329,7 +329,7 @@ where
         self.chain_events.canonical_state_stream().flat_map(|new_chain| {
             let headers = new_chain.committed().headers().collect::<Vec<_>>();
             futures::stream::iter(
-                headers.into_iter().map(reth_rpc_types_compat::block::from_primitive_with_hash),
+                headers.into_iter().map(|h| Header::from_consensus(h.into(), None, None)),
             )
         })
     }
diff --git a/crates/rpc/rpc/src/otterscan.rs b/crates/rpc/rpc/src/otterscan.rs
index 7a7ac8923bdb9..133240516ac74 100644
--- a/crates/rpc/rpc/src/otterscan.rs
+++ b/crates/rpc/rpc/src/otterscan.rs
@@ -61,7 +61,7 @@ where
 }
 
 #[async_trait]
-impl<Eth> OtterscanServer<RpcTransaction<Eth::NetworkTypes>, Header> for OtterscanApi<Eth>
+impl<Eth> OtterscanServer<RpcTransaction<Eth::NetworkTypes>> for OtterscanApi<Eth>
 where
     Eth: EthApiServer<
             RpcTransaction<Eth::NetworkTypes>,