diff --git a/node/src/command_helper.rs b/node/src/command_helper.rs
deleted file mode 100644
index 287e81b..0000000
--- a/node/src/command_helper.rs
+++ /dev/null
@@ -1,131 +0,0 @@
-// This file is part of Substrate.
-
-// Copyright (C) 2022 Parity Technologies (UK) Ltd.
-// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
-
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
-
-//! Contains code to setup the command invocations in [`super::command`] which would
-//! otherwise bloat that module.
-
-use crate::service::FullClient;
-
-use node_template_runtime as runtime;
-use runtime::SystemCall;
-use sc_cli::Result;
-use sc_client_api::BlockBackend;
-use sp_core::{Encode, Pair};
-use sp_inherents::{InherentData, InherentDataProvider};
-use sp_keyring::Sr25519Keyring;
-use sp_runtime::{OpaqueExtrinsic, SaturatedConversion};
-
-use std::{sync::Arc, time::Duration};
-
-/// Generates extrinsics for the `benchmark overhead` command.
-///
-/// Note: Should only be used for benchmarking.
-pub struct BenchmarkExtrinsicBuilder {
-	client: Arc<FullClient>,
-}
-
-impl BenchmarkExtrinsicBuilder {
-	/// Creates a new [`Self`] from the given client.
-	pub fn new(client: Arc<FullClient>) -> Self {
-		Self { client }
-	}
-}
-
-impl frame_benchmarking_cli::ExtrinsicBuilder for BenchmarkExtrinsicBuilder {
-	fn remark(&self, nonce: u32) -> std::result::Result<OpaqueExtrinsic, &'static str> {
-		let acc = Sr25519Keyring::Bob.pair();
-		let extrinsic: OpaqueExtrinsic = create_benchmark_extrinsic(
-			self.client.as_ref(),
-			acc,
-			SystemCall::remark { remark: vec![] }.into(),
-			nonce,
-		)
-		.into();
-
-		Ok(extrinsic)
-	}
-}
-
-/// Create a transaction using the given `call`.
-///
-/// Note: Should only be used for benchmarking.
-pub fn create_benchmark_extrinsic(
-	client: &FullClient,
-	sender: sp_core::sr25519::Pair,
-	call: runtime::Call,
-	nonce: u32,
-) -> runtime::UncheckedExtrinsic {
-	let genesis_hash = client.block_hash(0).ok().flatten().expect("Genesis block exists; qed");
-	let best_hash = client.chain_info().best_hash;
-	let best_block = client.chain_info().best_number;
-
-	let period = runtime::BlockHashCount::get()
-		.checked_next_power_of_two()
-		.map(|c| c / 2)
-		.unwrap_or(2) as u64;
-	let extra: runtime::SignedExtra = (
-		frame_system::CheckNonZeroSender::<runtime::Runtime>::new(),
-		frame_system::CheckSpecVersion::<runtime::Runtime>::new(),
-		frame_system::CheckTxVersion::<runtime::Runtime>::new(),
-		frame_system::CheckGenesis::<runtime::Runtime>::new(),
-		frame_system::CheckEra::<runtime::Runtime>::from(sp_runtime::generic::Era::mortal(
-			period,
-			best_block.saturated_into(),
-		)),
-		frame_system::CheckNonce::<runtime::Runtime>::from(nonce),
-		frame_system::CheckWeight::<runtime::Runtime>::new(),
-		pallet_transaction_payment::ChargeTransactionPayment::<runtime::Runtime>::from(0),
-	);
-
-	let raw_payload = runtime::SignedPayload::from_raw(
-		call.clone(),
-		extra.clone(),
-		(
-			(),
-			runtime::VERSION.spec_version,
-			runtime::VERSION.transaction_version,
-			genesis_hash,
-			best_hash,
-			(),
-			(),
-			(),
-		),
-	);
-	let signature = raw_payload.using_encoded(|e| sender.sign(e));
-
-	runtime::UncheckedExtrinsic::new_signed(
-		call.clone(),
-		sp_runtime::AccountId32::from(sender.public()).into(),
-		runtime::Signature::Sr25519(signature.clone()),
-		extra.clone(),
-	)
-}
-
-/// Generates inherent data for the `benchmark overhead` command.
-///
-/// Note: Should only be used for benchmarking.
-pub fn inherent_benchmark_data() -> Result<InherentData> {
-	let mut inherent_data = InherentData::new();
-	let d = Duration::from_millis(0);
-	let timestamp = sp_timestamp::InherentDataProvider::new(d.into());
-
-	timestamp
-		.provide_inherent_data(&mut inherent_data)
-		.map_err(|e| format!("creating inherent data: {:?}", e))?;
-	Ok(inherent_data)
-}