diff --git a/configuration/configuration.go b/configuration/configuration.go
index 60c1da8..c56e5ae 100644
--- a/configuration/configuration.go
+++ b/configuration/configuration.go
@@ -86,7 +86,7 @@ const (
 	SkipAdminEnv = "SKIP_ADMIN"
 
 	// MiddlewareVersion is the version of rosetta-klaytn.
-	MiddlewareVersion = "1.0.4"
+	MiddlewareVersion = "1.0.5"
 )
 
 // Configuration determines how
diff --git a/integration/data_api_block_test.go b/integration/data_api_block_test.go
index 4eca6d8..f700a2b 100644
--- a/integration/data_api_block_test.go
+++ b/integration/data_api_block_test.go
@@ -50,22 +50,17 @@ func TestBlock(t *testing.T) {
 			continue
 		}
 		assert.Equal(t, ret.Block.Transactions[i].TransactionIdentifier.Hash, testTxHash)
-		assert.Equal(t, 5, len(ret.Block.Transactions[i].Operations))
+		assert.Equal(t, 4, len(ret.Block.Transactions[i].Operations))
 		assert.Equal(t, klaytn.FeeOpType, ret.Block.Transactions[i].Operations[0].Type)
 		assert.Equal(t, klaytn.FeeOpType, ret.Block.Transactions[i].Operations[1].Type)
-		assert.Equal(t, klaytn.FeeOpType, ret.Block.Transactions[i].Operations[2].Type)
 		assert.Equal(t, int64(0), ret.Block.Transactions[i].Operations[0].OperationIdentifier.Index)
 		assert.Equal(t, int64(1), ret.Block.Transactions[i].Operations[1].OperationIdentifier.Index)
-		assert.Equal(t, int64(2), ret.Block.Transactions[i].Operations[2].OperationIdentifier.Index)
-		assert.Equal(t, 2, len(ret.Block.Transactions[i].Operations[2].RelatedOperations))
-		assert.Equal(t, int64(0), ret.Block.Transactions[i].Operations[2].RelatedOperations[0].Index)
-		assert.Equal(t, int64(1), ret.Block.Transactions[i].Operations[2].RelatedOperations[1].Index)
+		assert.Equal(t, klaytn.CallOpType, ret.Block.Transactions[i].Operations[2].Type)
 		assert.Equal(t, klaytn.CallOpType, ret.Block.Transactions[i].Operations[3].Type)
-		assert.Equal(t, klaytn.CallOpType, ret.Block.Transactions[i].Operations[4].Type)
+		assert.Equal(t, int64(2), ret.Block.Transactions[i].Operations[2].OperationIdentifier.Index)
 		assert.Equal(t, int64(3), ret.Block.Transactions[i].Operations[3].OperationIdentifier.Index)
-		assert.Equal(t, int64(4), ret.Block.Transactions[i].Operations[4].OperationIdentifier.Index)
-		assert.Equal(t, 1, len(ret.Block.Transactions[i].Operations[4].RelatedOperations))
-		assert.Equal(t, int64(3), ret.Block.Transactions[i].Operations[4].RelatedOperations[0].Index)
+		assert.Equal(t, 1, len(ret.Block.Transactions[i].Operations[3].RelatedOperations))
+		assert.Equal(t, int64(2), ret.Block.Transactions[i].Operations[3].RelatedOperations[0].Index)
 		found = true
 	}
 	assert.True(t, found)
@@ -113,22 +108,15 @@ func TestBlockTransaction(t *testing.T) {
 	ret, err := blockAPIService.BlockTransaction(ctx, request)
 	assert.Nil(t, err)
 	assert.Equal(t, testTxHash, ret.Transaction.TransactionIdentifier.Hash)
-	assert.Equal(t, 5, len(ret.Transaction.Operations))
+	assert.Equal(t, 4, len(ret.Transaction.Operations))
 	assert.Equal(t, klaytn.FeeOpType, ret.Transaction.Operations[0].Type)
 	assert.Equal(t, klaytn.FeeOpType, ret.Transaction.Operations[1].Type)
-	assert.Equal(t, klaytn.FeeOpType, ret.Transaction.Operations[2].Type)
 	assert.Equal(t, int64(0), ret.Transaction.Operations[0].OperationIdentifier.Index)
 	assert.Equal(t, int64(1), ret.Transaction.Operations[1].OperationIdentifier.Index)
 	assert.Equal(t, int64(2), ret.Transaction.Operations[2].OperationIdentifier.Index)
-	assert.Equal(t, 2, len(ret.Transaction.Operations[2].RelatedOperations))
-	assert.Equal(t, int64(0), ret.Transaction.Operations[2].RelatedOperations[0].Index)
-	assert.Equal(t, int64(1), ret.Transaction.Operations[2].RelatedOperations[1].Index)
-	assert.Equal(t, klaytn.CallOpType, ret.Transaction.Operations[3].Type)
-	assert.Equal(t, klaytn.CallOpType, ret.Transaction.Operations[4].Type)
 	assert.Equal(t, int64(3), ret.Transaction.Operations[3].OperationIdentifier.Index)
-	assert.Equal(t, int64(4), ret.Transaction.Operations[4].OperationIdentifier.Index)
-	assert.Equal(t, 1, len(ret.Transaction.Operations[4].RelatedOperations))
-	assert.Equal(t, int64(3), ret.Transaction.Operations[4].RelatedOperations[0].Index)
+	assert.Equal(t, 1, len(ret.Transaction.Operations[3].RelatedOperations))
+	assert.Equal(t, int64(2), ret.Transaction.Operations[3].RelatedOperations[0].Index)
 }
 
 // Test /block/transaction with invalid data
diff --git a/services/network_service_test.go b/services/network_service_test.go
index a14c615..7911043 100644
--- a/services/network_service_test.go
+++ b/services/network_service_test.go
@@ -32,7 +32,7 @@ import (
 
 var (
 	// rosetta-klaytn version
-	middlewareVersion = "1.0.4"
+	middlewareVersion = "1.0.5"
 
 	defaultNetworkOptions = &types.NetworkOptionsResponse{
 		Version: &types.Version{