avoid TTD query

beacon_node/beacon_chain/src/execution_payload.rs

@@ -338,28 +338,7 @@ pub async fn prepare_execution_payload_header<T: BeaconChainTypes>(
         .as_ref()
         .ok_or(BlockProductionError::ExecutionLayerMissing)?;
 
-    let parent_hash = if !is_merge_transition_complete(state) {
-        let is_terminal_block_hash_set = spec.terminal_block_hash != Hash256::zero();
-        let is_activation_epoch_reached =
-            state.current_epoch() >= spec.terminal_block_hash_activation_epoch;
-
-        if is_terminal_block_hash_set && !is_activation_epoch_reached {
-            return Ok(None);
-        }
-
-        let terminal_pow_block_hash = execution_layer
-            .get_terminal_pow_block_hash(spec)
-            .await
-            .map_err(BlockProductionError::TerminalPoWBlockLookupFailed)?;
-
-        if let Some(terminal_pow_block_hash) = terminal_pow_block_hash {
-            terminal_pow_block_hash
-        } else {
-            return Ok(None);
-        }
-    } else {
-        state.latest_execution_payload_header()?.block_hash
-    };
+    let parent_hash = state.latest_execution_payload_header()?.block_hash;
 
     let timestamp = compute_timestamp_at_slot(state, spec).map_err(BeaconStateError::from)?;
     let random = *state.get_randao_mix(state.current_epoch())?;