diff --git a/beacon_node/execution_layer/src/lib.rs b/beacon_node/execution_layer/src/lib.rs
index e2ef23f7d..2a1f31917 100644
--- a/beacon_node/execution_layer/src/lib.rs
+++ b/beacon_node/execution_layer/src/lib.rs
@@ -237,7 +237,6 @@ impl<T: EthSpec, Payload: AbstractExecPayload<T>> BlockProposalContents<T, Paylo
                 BlockProposalContents::Payload {
                     payload: Payload::default_at_fork(fork_name)?,
                     block_value: Uint256::zero(),
-                    _phantom: PhantomData,
                 }
             }
             ForkName::Deneb => BlockProposalContents::PayloadAndBlobs {
@@ -939,7 +938,6 @@ impl<T: EthSpec> ExecutionLayer<T> {
                                     BlockProposalContents::Payload {
                                         payload: relay.data.message.header,
                                         block_value: relay.data.message.value,
-                                        _phantom: PhantomData,
                                     },
                                 )),
                                 Err(reason) if !reason.payload_invalid() => {
@@ -994,7 +992,6 @@ impl<T: EthSpec> ExecutionLayer<T> {
                                     BlockProposalContents::Payload {
                                         payload: relay.data.message.header,
                                         block_value: relay.data.message.value,
-                                        _phantom: PhantomData,
                                     },
                                 )),
                                 // If the payload is valid then use it. The local EE failed
@@ -1003,7 +1000,6 @@ impl<T: EthSpec> ExecutionLayer<T> {
                                     BlockProposalContents::Payload {
                                         payload: relay.data.message.header,
                                         block_value: relay.data.message.value,
-                                        _phantom: PhantomData,
                                     },
                                 )),
                                 Err(reason) => {
@@ -1182,36 +1178,30 @@ impl<T: EthSpec> ExecutionLayer<T> {
                         "parent_hash" => ?parent_hash,
                     );
                     engine.api.get_payload::<T>(current_fork, payload_id).await
-                };
-                let payload_response = payload_fut.await;
-                let (execution_payload, block_value) = payload_response.map(|payload_response| {
-                    if payload_response.execution_payload_ref().fee_recipient() != payload_attributes.suggested_fee_recipient() {
-                        error!(
-                            self.log(),
-                            "Inconsistent fee recipient";
-                            "msg" => "The fee recipient returned from the Execution Engine differs \
-                            from the suggested_fee_recipient set on the beacon node. This could \
-                            indicate that fees are being diverted to another address. Please \
-                            ensure that the value of suggested_fee_recipient is set correctly and \
-                            that the Execution Engine is trusted.",
-                            "fee_recipient" => ?payload_response.execution_payload_ref().fee_recipient(),
-                            "suggested_fee_recipient" => ?payload_attributes.suggested_fee_recipient(),
-                        );
-                    }
-                    if f(self, payload_response.execution_payload_ref()).is_some() {
-                        warn!(
-                            self.log(),
-                            "Duplicate payload cached, this might indicate redundant proposal \
-                                 attempts."
-                        );
-                    }
-                    payload_response.into()
-                })?;
-                Ok(BlockProposalContents::Payload {
-                    payload: execution_payload.into(),
-                    block_value,
-                    _phantom: PhantomData,
-                })
+                }.await?;
+
+                if payload_response.execution_payload_ref().fee_recipient() != payload_attributes.suggested_fee_recipient() {
+                    error!(
+                        self.log(),
+                        "Inconsistent fee recipient";
+                        "msg" => "The fee recipient returned from the Execution Engine differs \
+                        from the suggested_fee_recipient set on the beacon node. This could \
+                        indicate that fees are being diverted to another address. Please \
+                        ensure that the value of suggested_fee_recipient is set correctly and \
+                        that the Execution Engine is trusted.",
+                        "fee_recipient" => ?payload_response.execution_payload_ref().fee_recipient(),
+                        "suggested_fee_recipient" => ?payload_attributes.suggested_fee_recipient(),
+                    );
+                }
+                if f(self, payload_response.execution_payload_ref()).is_some() {
+                    warn!(
+                        self.log(),
+                        "Duplicate payload cached, this might indicate redundant proposal \
+                             attempts."
+                    );
+                }
+
+                Ok(payload_response.into())
             })
             .await
             .map_err(Box::new)
@@ -2136,13 +2126,6 @@ async fn timed_future<F: Future<Output = T>, T>(metric: &str, future: F) -> (T,
     (result, duration)
 }
 
-fn noop<T: EthSpec>(
-    _: &ExecutionLayer<T>,
-    _: ExecutionPayloadRef<T>,
-) -> Option<ExecutionPayload<T>> {
-    None
-}
-
 #[cfg(test)]
 /// Returns the duration since the unix epoch.
 fn timestamp_now() -> u64 {
diff --git a/beacon_node/execution_layer/src/test_utils/mock_builder.rs b/beacon_node/execution_layer/src/test_utils/mock_builder.rs
index 278dacb82..7a28e6942 100644
--- a/beacon_node/execution_layer/src/test_utils/mock_builder.rs
+++ b/beacon_node/execution_layer/src/test_utils/mock_builder.rs
@@ -450,7 +450,9 @@ impl<E: EthSpec> mev_rs::BlindedBlockProvider for MockBuilder<E> {
                 value: to_ssz_rs(&Uint256::from(DEFAULT_BUILDER_PAYLOAD_VALUE_WEI))?,
                 public_key: self.builder_sk.public_key(),
             }),
-            ForkName::Base | ForkName::Altair | ForkName::Deneb => return Err(MevError::InvalidFork),
+            ForkName::Base | ForkName::Altair | ForkName::Deneb => {
+                return Err(MevError::InvalidFork)
+            }
         };
         *message.gas_limit_mut() = cached_data.gas_limit;
 
diff --git a/beacon_node/network/src/sync/range_sync/range.rs b/beacon_node/network/src/sync/range_sync/range.rs
index 733cbcc9e..28cdc7afc 100644
--- a/beacon_node/network/src/sync/range_sync/range.rs
+++ b/beacon_node/network/src/sync/range_sync/range.rs
@@ -603,7 +603,7 @@ mod tests {
     fn range(log_enabled: bool) -> (TestRig, RangeSync<TestBeaconChainType, FakeStorage>) {
         let log = build_log(slog::Level::Trace, log_enabled);
         // Initialise a new beacon chain
-        let harness = BeaconChainHarness::<EphemeralHarnessType<E>>::builder(E::default())
+        let harness = BeaconChainHarness::<EphemeralHarnessType<E>>::builder(E)
             .default_spec()
             .logger(log.clone())
             .deterministic_keypairs(1)
diff --git a/consensus/types/src/blob_sidecar.rs b/consensus/types/src/blob_sidecar.rs
index be68a79e8..214e76764 100644
--- a/consensus/types/src/blob_sidecar.rs
+++ b/consensus/types/src/blob_sidecar.rs
@@ -126,7 +126,7 @@ impl<T: EthSpec> BlobSidecar<T> {
         })
     }
 
-    #[allow(clippy::integer_arithmetic)]
+    #[allow(clippy::arithmetic_side_effects)]
     pub fn max_size() -> usize {
         // Fixed part
         Self::empty().as_ssz_bytes().len()
diff --git a/consensus/types/src/execution_payload.rs b/consensus/types/src/execution_payload.rs
index 157f6c7a8..4186cdf19 100644
--- a/consensus/types/src/execution_payload.rs
+++ b/consensus/types/src/execution_payload.rs
@@ -139,7 +139,7 @@ impl<T: EthSpec> ExecutionPayload<T> {
             + (T::max_withdrawals_per_payload() * <Withdrawal as Encode>::ssz_fixed_len())
     }
 
-    #[allow(clippy::integer_arithmetic)]
+    #[allow(clippy::arithmetic_side_effects)]
     /// Returns the maximum size of an execution payload.
     pub fn max_execution_payload_deneb_size() -> usize {
         // Fixed part