diff --git a/programs/librapay/src/lib.rs b/programs/librapay/src/lib.rs
index 86db5db2a3..8e10f8d259 100644
--- a/programs/librapay/src/lib.rs
+++ b/programs/librapay/src/lib.rs
@@ -5,12 +5,10 @@ pub mod librapay_transaction;
 
 extern crate solana_move_loader_program;
 
-use solana_move_loader_program::{account_state::LibraAccountState, processor::MoveProcessor};
+use solana_move_loader_program::account_state::LibraAccountState;
 use solana_runtime::loader_utils::load_program;
 use solana_sdk::{
-    account::KeyedAccount,
     client::Client,
-    instruction::InstructionError,
     message::Message,
     pubkey::Pubkey,
     signature::{Keypair, Signer},
@@ -80,11 +78,3 @@ pub fn upload_payment_script<T: Client>(from: &Keypair, client: &T) -> Pubkey {
 
     upload_script(from, client, code)
 }
-
-pub fn process_instruction(
-    program_id: &Pubkey,
-    keyed_accounts: &mut [KeyedAccount],
-    data: &[u8],
-) -> Result<(), InstructionError> {
-    MoveProcessor::process_instruction(program_id, keyed_accounts, data)
-}
diff --git a/programs/librapay/src/librapay_transaction.rs b/programs/librapay/src/librapay_transaction.rs
index dd7910ec5c..79127b15b1 100644
--- a/programs/librapay/src/librapay_transaction.rs
+++ b/programs/librapay/src/librapay_transaction.rs
@@ -151,7 +151,6 @@ pub fn get_libra_balance<T: Client>(
 mod tests {
     use super::*;
     use crate::{create_genesis, upload_mint_script, upload_payment_script};
-    use solana_move_loader_program::processor::MoveProcessor;
     use solana_runtime::bank::Bank;
     use solana_runtime::bank_client::BankClient;
     use solana_sdk::genesis_config::create_genesis_config;
@@ -161,10 +160,10 @@ mod tests {
     fn create_bank(lamports: u64) -> (Arc<Bank>, Keypair, Keypair, Pubkey, Pubkey) {
         let (mut genesis_config, mint) = create_genesis_config(lamports);
         genesis_config.rent.lamports_per_byte_year = 0;
-        let mut bank = Bank::new(&genesis_config);
-        bank.add_instruction_processor(
-            solana_sdk::move_loader::id(),
-            MoveProcessor::process_instruction,
+        let bank = Bank::new(&genesis_config);
+        bank.register_native_instruction_processor(
+            "solana_move_loader_program",
+            &solana_sdk::move_loader::id(),
         );
         let shared_bank = Arc::new(bank);
         let bank_client = BankClient::new_shared(&shared_bank);