diff --git a/beacon-chain/powchain/log_processing.go b/beacon-chain/powchain/log_processing.go
index ad3e2f10de..70fb922727 100644
--- a/beacon-chain/powchain/log_processing.go
+++ b/beacon-chain/powchain/log_processing.go
@@ -140,14 +140,16 @@ func (s *Service) ProcessDepositLog(ctx context.Context, depositLog gethTypes.Lo
 	}
 	s.depositTrie.Insert(depositHash[:], int(index))
 
-	proof, err := s.depositTrie.MerkleProof(int(index))
-	if err != nil {
-		return errors.Wrap(err, "Unable to generate merkle proof for deposit")
-	}
-
 	deposit := &ethpb.Deposit{
-		Data:  depositData,
-		Proof: proof,
+		Data: depositData,
+	}
+	// Only generate the proofs during pre-genesis.
+	if !s.chainStartData.Chainstarted {
+		proof, err := s.depositTrie.MerkleProof(int(index))
+		if err != nil {
+			return errors.Wrap(err, "Unable to generate merkle proof for deposit")
+		}
+		deposit.Proof = proof
 	}
 
 	// We always store all historical deposits in the DB.