diff --git a/beacon-chain/sync/pending_blocks_queue.go b/beacon-chain/sync/pending_blocks_queue.go
index 10c6f6aa3d..568370a999 100644
--- a/beacon-chain/sync/pending_blocks_queue.go
+++ b/beacon-chain/sync/pending_blocks_queue.go
@@ -197,7 +197,7 @@ func (s *Service) processAndBroadcastBlock(ctx context.Context, b interfaces.Rea
 	peers := s.getBestPeers()
 	peerCount := len(peers)
 	if peerCount > 0 {
-		if err := s.requestPendingBlobs(ctx, b.Block(), blkRoot, peers[rand.NewGenerator().Int()%peerCount]); err != nil {
+		if err := s.requestPendingBlobs(ctx, b, blkRoot, peers[rand.NewGenerator().Int()%peerCount]); err != nil {
 			return err
 		}
 	}
diff --git a/beacon-chain/sync/rpc_beacon_blocks_by_root.go b/beacon-chain/sync/rpc_beacon_blocks_by_root.go
index e7ce81088c..1ac5f29983 100644
--- a/beacon-chain/sync/rpc_beacon_blocks_by_root.go
+++ b/beacon-chain/sync/rpc_beacon_blocks_by_root.go
@@ -13,7 +13,6 @@ import (
 	"github.com/prysmaticlabs/prysm/v4/config/params"
 	"github.com/prysmaticlabs/prysm/v4/consensus-types/blocks"
 	"github.com/prysmaticlabs/prysm/v4/consensus-types/interfaces"
-	"github.com/prysmaticlabs/prysm/v4/encoding/bytesutil"
 	eth "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
 	"github.com/prysmaticlabs/prysm/v4/runtime/version"
 )
@@ -46,7 +45,7 @@ func (s *Service) sendRecentBeaconBlocksRequest(ctx context.Context, blockRoots
 		if err != nil {
 			return err
 		}
-		if err := s.requestPendingBlobs(ctx, blk.Block(), blkRoot, id); err != nil {
+		if err := s.requestPendingBlobs(ctx, blk, blkRoot, id); err != nil {
 			return err
 		}
 	}
@@ -118,12 +117,12 @@ func (s *Service) beaconBlocksRootRPCHandler(ctx context.Context, msg interface{
 }
 
 // requestPendingBlobs handles the request for pending blobs based on the given beacon block.
-func (s *Service) requestPendingBlobs(ctx context.Context, block interfaces.ReadOnlyBeaconBlock, blockRoot [32]byte, peerID peer.ID) error {
+func (s *Service) requestPendingBlobs(ctx context.Context, block interfaces.ReadOnlySignedBeaconBlock, blockRoot [32]byte, peerID peer.ID) error {
 	if block.Version() < version.Deneb {
 		return nil // Block before deneb has no blob.
 	}
 
-	commitments, err := block.Body().BlobKzgCommitments()
+	commitments, err := block.Block().Body().BlobKzgCommitments()
 	if err != nil {
 		return err
 	}
@@ -142,11 +141,11 @@ func (s *Service) requestPendingBlobs(ctx context.Context, block interfaces.Read
 		return err
 	}
 
-	return s.sendAndSaveBlobSidecars(ctx, request, contextByte, peerID)
+	return s.sendAndSaveBlobSidecars(ctx, request, contextByte, peerID, block)
 }
 
 // sendAndSaveBlobSidecars sends the blob request and saves received sidecars.
-func (s *Service) sendAndSaveBlobSidecars(ctx context.Context, request types.BlobSidecarsByRootReq, contextByte ContextByteVersions, peerID peer.ID) error {
+func (s *Service) sendAndSaveBlobSidecars(ctx context.Context, request types.BlobSidecarsByRootReq, contextByte ContextByteVersions, peerID peer.ID, block interfaces.ReadOnlySignedBeaconBlock) error {
 	if len(request) == 0 {
 		return nil
 	}
@@ -156,10 +155,6 @@ func (s *Service) sendAndSaveBlobSidecars(ctx context.Context, request types.Blo
 		return err
 	}
 
-	block, err := s.cfg.beaconDB.Block(ctx, bytesutil.ToBytes32(request[0].BlockRoot))
-	if err != nil {
-		return err
-	}
 	RoBlock, err := blocks.NewROBlock(block)
 	if err != nil {
 		return err
diff --git a/beacon-chain/sync/rpc_beacon_blocks_by_root_test.go b/beacon-chain/sync/rpc_beacon_blocks_by_root_test.go
index 56119cc502..60bdad91f9 100644
--- a/beacon-chain/sync/rpc_beacon_blocks_by_root_test.go
+++ b/beacon-chain/sync/rpc_beacon_blocks_by_root_test.go
@@ -295,12 +295,12 @@ func TestRecentBeaconBlocksRPCHandler_HandleZeroBlocks(t *testing.T) {
 func TestRequestPendingBlobs(t *testing.T) {
 	s := &Service{}
 	t.Run("old block should not fail", func(t *testing.T) {
-		b, err := blocks.NewBeaconBlock(util.NewBeaconBlock().Block)
+		b, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 		require.NoError(t, err)
 		require.NoError(t, s.requestPendingBlobs(context.Background(), b, [32]byte{}, "test"))
 	})
 	t.Run("empty commitment block should not fail", func(t *testing.T) {
-		b, err := blocks.NewBeaconBlock(util.NewBeaconBlockDeneb().Block)
+		b, err := blocks.NewSignedBeaconBlock(util.NewBeaconBlock())
 		require.NoError(t, err)
 		require.NoError(t, s.requestPendingBlobs(context.Background(), b, [32]byte{}, "test"))
 	})
@@ -330,7 +330,7 @@ func TestRequestPendingBlobs(t *testing.T) {
 		}
 		b := util.NewBeaconBlockDeneb()
 		b.Block.Body.BlobKzgCommitments = make([][]byte, 1)
-		b1, err := blocks.NewBeaconBlock(b.Block)
+		b1, err := blocks.NewSignedBeaconBlock(b)
 		require.NoError(t, err)
 		require.ErrorContains(t, "protocols not supported", s.requestPendingBlobs(context.Background(), b1, [32]byte{}, p2.PeerID()))
 	})