diff --git a/substrate/frame/beefy-mmr/src/mock.rs b/substrate/frame/beefy-mmr/src/mock.rs
index b2d8758a04be6..b85096813deca 100644
--- a/substrate/frame/beefy-mmr/src/mock.rs
+++ b/substrate/frame/beefy-mmr/src/mock.rs
@@ -19,16 +19,15 @@ use std::vec;
 
 use codec::Encode;
 use frame_support::{
-	construct_runtime, parameter_types,
-	traits::{ConstU16, ConstU32, ConstU64},
+	construct_runtime, derive_impl, parameter_types,
+	traits::{ConstU32, ConstU64},
 };
 use sp_consensus_beefy::mmr::MmrLeafVersion;
-use sp_core::H256;
 use sp_io::TestExternalities;
 use sp_runtime::{
 	app_crypto::ecdsa::Public,
 	impl_opaque_keys,
-	traits::{BlakeTwo256, ConvertInto, IdentityLookup, Keccak256, OpaqueKeys},
+	traits::{ConvertInto, Keccak256, OpaqueKeys},
 	BuildStorage,
 };
 use sp_state_machine::BasicExternalities;
@@ -58,30 +57,9 @@ construct_runtime!(
 	}
 );
 
+#[derive_impl(frame_system::config_preludes::TestDefaultConfig as frame_system::DefaultConfig)]
 impl frame_system::Config for Test {
-	type BaseCallFilter = frame_support::traits::Everything;
-	type BlockWeights = ();
-	type BlockLength = ();
-	type DbWeight = ();
-	type RuntimeOrigin = RuntimeOrigin;
-	type Nonce = u64;
-	type Hash = H256;
-	type RuntimeCall = RuntimeCall;
-	type Hashing = BlakeTwo256;
-	type AccountId = u64;
-	type Lookup = IdentityLookup<Self::AccountId>;
 	type Block = Block;
-	type RuntimeEvent = RuntimeEvent;
-	type BlockHashCount = ConstU64<250>;
-	type Version = ();
-	type PalletInfo = PalletInfo;
-	type AccountData = ();
-	type OnNewAccount = ();
-	type OnKilledAccount = ();
-	type SystemWeightInfo = ();
-	type SS58Prefix = ConstU16<42>;
-	type OnSetCode = ();
-	type MaxConsumers = ConstU32<16>;
 }
 
 impl pallet_session::Config for Test {
diff --git a/substrate/frame/beefy/src/mock.rs b/substrate/frame/beefy/src/mock.rs
index b55a65dbd73af..9480fd0406d78 100644
--- a/substrate/frame/beefy/src/mock.rs
+++ b/substrate/frame/beefy/src/mock.rs
@@ -22,19 +22,15 @@ use frame_election_provider_support::{
 	onchain, SequentialPhragmen,
 };
 use frame_support::{
-	construct_runtime, parameter_types,
-	traits::{ConstU16, ConstU32, ConstU64, KeyOwnerProofSystem, OnFinalize, OnInitialize},
+	construct_runtime, derive_impl, parameter_types,
+	traits::{ConstU32, ConstU64, KeyOwnerProofSystem, OnFinalize, OnInitialize},
 };
 use pallet_session::historical as pallet_session_historical;
-use sp_core::{crypto::KeyTypeId, ConstU128, H256};
+use sp_core::{crypto::KeyTypeId, ConstU128};
 use sp_io::TestExternalities;
 use sp_runtime::{
-	app_crypto::ecdsa::Public,
-	curve::PiecewiseLinear,
-	impl_opaque_keys,
-	testing::TestXt,
-	traits::{BlakeTwo256, IdentityLookup, OpaqueKeys},
-	BuildStorage, Perbill,
+	app_crypto::ecdsa::Public, curve::PiecewiseLinear, impl_opaque_keys, testing::TestXt,
+	traits::OpaqueKeys, BuildStorage, Perbill,
 };
 use sp_staking::{EraIndex, SessionIndex};
 use sp_state_machine::BasicExternalities;
@@ -69,30 +65,10 @@ construct_runtime!(
 	}
 );
 
+#[derive_impl(frame_system::config_preludes::TestDefaultConfig as frame_system::DefaultConfig)]
 impl frame_system::Config for Test {
-	type BaseCallFilter = frame_support::traits::Everything;
-	type BlockWeights = ();
-	type BlockLength = ();
-	type DbWeight = ();
-	type RuntimeOrigin = RuntimeOrigin;
-	type Nonce = u64;
-	type Hash = H256;
-	type RuntimeCall = RuntimeCall;
-	type Hashing = BlakeTwo256;
-	type AccountId = u64;
-	type Lookup = IdentityLookup<Self::AccountId>;
 	type Block = Block;
-	type RuntimeEvent = RuntimeEvent;
-	type BlockHashCount = ConstU64<250>;
-	type Version = ();
-	type PalletInfo = PalletInfo;
 	type AccountData = pallet_balances::AccountData<u128>;
-	type OnNewAccount = ();
-	type OnKilledAccount = ();
-	type SystemWeightInfo = ();
-	type SS58Prefix = ConstU16<42>;
-	type OnSetCode = ();
-	type MaxConsumers = ConstU32<16>;
 }
 
 impl<C> frame_system::offchain::SendTransactionTypes<C> for Test
diff --git a/substrate/frame/merkle-mountain-range/src/mock.rs b/substrate/frame/merkle-mountain-range/src/mock.rs
index ecc254278bf0f..d3cb4e5702972 100644
--- a/substrate/frame/merkle-mountain-range/src/mock.rs
+++ b/substrate/frame/merkle-mountain-range/src/mock.rs
@@ -19,13 +19,9 @@ use crate as pallet_mmr;
 use crate::*;
 
 use codec::{Decode, Encode};
-use frame_support::{
-	parameter_types,
-	traits::{ConstU32, ConstU64},
-};
-use sp_core::H256;
+use frame_support::{derive_impl, parameter_types};
 use sp_mmr_primitives::{Compact, LeafDataProvider};
-use sp_runtime::traits::{BlakeTwo256, IdentityLookup, Keccak256};
+use sp_runtime::traits::Keccak256;
 
 type Block = frame_system::mocking::MockBlock<Test>;
 
@@ -37,30 +33,9 @@ frame_support::construct_runtime!(
 	}
 );
 
+#[derive_impl(frame_system::config_preludes::TestDefaultConfig as frame_system::DefaultConfig)]
 impl frame_system::Config for Test {
-	type BaseCallFilter = frame_support::traits::Everything;
-	type RuntimeOrigin = RuntimeOrigin;
-	type RuntimeCall = RuntimeCall;
-	type Nonce = u64;
-	type Hash = H256;
-	type Hashing = BlakeTwo256;
-	type AccountId = sp_core::sr25519::Public;
-	type Lookup = IdentityLookup<Self::AccountId>;
 	type Block = Block;
-	type RuntimeEvent = RuntimeEvent;
-	type BlockHashCount = ConstU64<250>;
-	type DbWeight = ();
-	type BlockWeights = ();
-	type BlockLength = ();
-	type Version = ();
-	type PalletInfo = PalletInfo;
-	type AccountData = ();
-	type OnNewAccount = ();
-	type OnKilledAccount = ();
-	type SystemWeightInfo = ();
-	type SS58Prefix = ();
-	type OnSetCode = ();
-	type MaxConsumers = ConstU32<16>;
 }
 
 impl Config for Test {