diff --git a/packages/orchestration/test/test-withdraw-reward.js b/packages/orchestration/test/test-withdraw-reward.js
index bf61036d8e17..1fce513f5705 100644
--- a/packages/orchestration/test/test-withdraw-reward.js
+++ b/packages/orchestration/test/test-withdraw-reward.js
@@ -21,7 +21,7 @@ const { Fail } = assert;
 /** @type {typeof import('protobufjs').Writer} */
 const Writer = pbjs.default.Writer;
 
-test('WithdrawDelegatorReward: protobuf encoding helper', t => {
+test('MsgWithdrawDelegatorReward: protobuf encoding reminder', t => {
   const actual = MsgWithdrawDelegatorReward.toProtoMsg({
     delegatorAddress: 'abc',
     validatorAddress: 'def',
@@ -35,15 +35,6 @@ test('WithdrawDelegatorReward: protobuf encoding helper', t => {
   });
 });
 
-test('WithdrawDelegatorReward: bad inputs', t => {
-  /** @type {any[]} */
-  const badInputs = [{}, { delegatorAddress: 'abc' }, { delegatorAddress: 2 }];
-
-  for (const it of badInputs) {
-    t.throws(() => MsgWithdrawDelegatorReward.encode(it));
-  }
-});
-
 /**
  * XXX defined in codegen/cosmos/base/v1beta1/coin.d.ts
  * but that's not exported from comsmic-proto.