diff --git a/crates/consensus/beacon/src/engine/mod.rs b/crates/consensus/beacon/src/engine/mod.rs
index bb3696050..8a1a4266a 100644
--- a/crates/consensus/beacon/src/engine/mod.rs
+++ b/crates/consensus/beacon/src/engine/mod.rs
@@ -15,8 +15,9 @@ use reth_interfaces::{
         BlockStatus, BlockchainTreeEngine, CanonicalOutcome, InsertPayloadOk,
     },
     consensus::ForkchoiceState,
-    executor::{BlockExecutionError, BlockValidationError},
+    executor::BlockValidationError,
     p2p::{bodies::client::BodiesClient, headers::client::HeadersClient},
+    provider::ProviderResult,
     sync::{NetworkSyncUpdater, SyncState},
     RethError, RethResult,
 };
@@ -391,7 +392,7 @@ where
         &mut self,
         state: ForkchoiceState,
         attrs: Option<EngineT::PayloadAttributes>,
-    ) -> RethResult<OnForkChoiceUpdated> {
+    ) -> Result<OnForkChoiceUpdated, CanonicalError> {
         trace!(target: "consensus::engine", ?state, "Received new forkchoice state update");
 
         // Pre-validate forkchoice state update and return if it's invalid or
@@ -425,7 +426,7 @@ where
         mut attrs: Option<EngineT::PayloadAttributes>,
         make_canonical_result: Result<CanonicalOutcome, CanonicalError>,
         elapsed: Duration,
-    ) -> RethResult<OnForkChoiceUpdated> {
+    ) -> Result<OnForkChoiceUpdated, CanonicalError> {
         match make_canonical_result {
             Ok(outcome) => {
                 let should_update_head = match &outcome {
@@ -469,7 +470,7 @@ where
             Err(err) => {
                 if err.is_fatal() {
                     error!(target: "consensus::engine", %err, "Encountered fatal error");
-                    Err(err.into())
+                    Err(err)
                 } else {
                     Ok(OnForkChoiceUpdated::valid(
                         self.on_failed_canonical_forkchoice_update(&state, err),
@@ -527,23 +528,21 @@ where
         state: ForkchoiceState,
         attrs: Option<EngineT::PayloadAttributes>,
         tx: oneshot::Sender<Result<OnForkChoiceUpdated, RethError>>,
-    ) -> OnForkchoiceUpdateOutcome {
+    ) -> Result<OnForkchoiceUpdateOutcome, CanonicalError> {
         self.metrics.forkchoice_updated_messages.increment(1);
         self.blockchain.on_forkchoice_update_received(&state);
 
         let on_updated = match self.forkchoice_updated(state, attrs) {
             Ok(response) => response,
             Err(error) => {
-                if let RethError::Execution(ref err) = error {
-                    if err.is_fatal() {
-                        // FCU resulted in a fatal error from which we can't recover
-                        let err = err.clone();
-                        let _ = tx.send(Err(error));
-                        return OnForkchoiceUpdateOutcome::Fatal(err)
-                    }
+                if error.is_fatal() {
+                    // FCU resulted in a fatal error from which we can't recover
+                    let err = error.clone();
+                    let _ = tx.send(Err(RethError::Canonical(error)));
+                    return Err(err)
                 }
-                let _ = tx.send(Err(error));
-                return OnForkchoiceUpdateOutcome::Processed
+                let _ = tx.send(Err(RethError::Canonical(error)));
+                return Ok(OnForkchoiceUpdateOutcome::Processed)
             }
         };
 
@@ -568,7 +567,7 @@ where
                 if self.sync.has_reached_max_block(tip_number) {
                     // Terminate the sync early if it's reached the maximum user
                     // configured block.
-                    return OnForkchoiceUpdateOutcome::ReachedMaxBlock
+                    return Ok(OnForkchoiceUpdateOutcome::ReachedMaxBlock)
                 }
             }
             ForkchoiceStatus::Syncing => {
@@ -580,7 +579,7 @@ where
         // notify listeners about new processed FCU
         self.listeners.notify(BeaconConsensusEngineEvent::ForkchoiceUpdated(state, fcu_status));
 
-        OnForkchoiceUpdateOutcome::Processed
+        Ok(OnForkchoiceUpdateOutcome::Processed)
     }
 
     /// Check if the pipeline is consistent (all stages have the checkpoint block numbers no less
@@ -844,7 +843,7 @@ where
     fn ensure_consistent_forkchoice_state(
         &mut self,
         state: ForkchoiceState,
-    ) -> RethResult<Option<OnForkChoiceUpdated>> {
+    ) -> ProviderResult<Option<OnForkChoiceUpdated>> {
         // Ensure that the finalized block, if not zero, is known and in the canonical chain
         // after the head block is canonicalized.
         //
@@ -924,17 +923,17 @@ where
     ///
     /// Returns an error if the block is not found.
     #[inline]
-    fn update_safe_block(&self, safe_block_hash: B256) -> RethResult<()> {
+    fn update_safe_block(&self, safe_block_hash: B256) -> ProviderResult<()> {
         if !safe_block_hash.is_zero() {
             if self.blockchain.safe_block_hash()? == Some(safe_block_hash) {
                 // nothing to update
                 return Ok(())
             }
 
-            let safe =
-                self.blockchain.find_block_by_hash(safe_block_hash, BlockSource::Any)?.ok_or_else(
-                    || RethError::Provider(ProviderError::UnknownBlockHash(safe_block_hash)),
-                )?;
+            let safe = self
+                .blockchain
+                .find_block_by_hash(safe_block_hash, BlockSource::Any)?
+                .ok_or_else(|| ProviderError::UnknownBlockHash(safe_block_hash))?;
             self.blockchain.set_safe(safe.header.seal(safe_block_hash));
         }
         Ok(())
@@ -944,7 +943,7 @@ where
     ///
     /// Returns an error if the block is not found.
     #[inline]
-    fn update_finalized_block(&self, finalized_block_hash: B256) -> RethResult<()> {
+    fn update_finalized_block(&self, finalized_block_hash: B256) -> ProviderResult<()> {
         if !finalized_block_hash.is_zero() {
             if self.blockchain.finalized_block_hash()? == Some(finalized_block_hash) {
                 // nothing to update
@@ -954,9 +953,7 @@ where
             let finalized = self
                 .blockchain
                 .find_block_by_hash(finalized_block_hash, BlockSource::Any)?
-                .ok_or_else(|| {
-                    RethError::Provider(ProviderError::UnknownBlockHash(finalized_block_hash))
-                })?;
+                .ok_or_else(|| ProviderError::UnknownBlockHash(finalized_block_hash))?;
             self.blockchain.finalize_block(finalized.number);
             self.blockchain.set_finalized(finalized.header.seal(finalized_block_hash));
         }
@@ -1762,14 +1759,14 @@ where
                     match msg {
                         BeaconEngineMessage::ForkchoiceUpdated { state, payload_attrs, tx } => {
                             match this.on_forkchoice_updated(state, payload_attrs, tx) {
-                                OnForkchoiceUpdateOutcome::Processed => {}
-                                OnForkchoiceUpdateOutcome::ReachedMaxBlock => {
+                                Ok(OnForkchoiceUpdateOutcome::Processed) => {}
+                                Ok(OnForkchoiceUpdateOutcome::ReachedMaxBlock) => {
                                     // reached the max block, we can terminate the future
                                     return Poll::Ready(Ok(()))
                                 }
-                                OnForkchoiceUpdateOutcome::Fatal(err) => {
+                                Err(err) => {
                                     // fatal error, we can terminate the future
-                                    return Poll::Ready(Err(RethError::Execution(err).into()))
+                                    return Poll::Ready(Err(RethError::Canonical(err).into()))
                                 }
                             }
                         }
@@ -1838,8 +1835,6 @@ enum OnForkchoiceUpdateOutcome {
     Processed,
     /// FCU was processed successfully and reached max block.
     ReachedMaxBlock,
-    /// FCU resulted in a __fatal__ block execution error from which we can't recover.
-    Fatal(BlockExecutionError),
 }
 
 /// Represents outcomes of processing a sync event