diff --git a/substrate/frame/authorship/src/lib.rs b/substrate/frame/authorship/src/lib.rs
index a9bd0c38cb67..56a516894dec 100644
--- a/substrate/frame/authorship/src/lib.rs
+++ b/substrate/frame/authorship/src/lib.rs
@@ -97,16 +97,10 @@ mod tests {
 	use super::*;
 	use crate as pallet_authorship;
 	use codec::{Decode, Encode};
-	use frame_support::{
-		traits::{ConstU32, ConstU64},
-		ConsensusEngineId,
-	};
+	use frame_support::{derive_impl, ConsensusEngineId};
 	use sp_core::H256;
 	use sp_runtime::{
-		generic::DigestItem,
-		testing::Header,
-		traits::{BlakeTwo256, Header as HeaderT, IdentityLookup},
-		BuildStorage,
+		generic::DigestItem, testing::Header, traits::Header as HeaderT, BuildStorage,
 	};
 
 	type Block = frame_system::mocking::MockBlock<Test>;
@@ -119,30 +113,9 @@ mod tests {
 		}
 	);
 
+	#[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 RuntimeCall = RuntimeCall;
-		type Hash = H256;
-		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 = ();
-		type OnSetCode = ();
-		type MaxConsumers = ConstU32<16>;
 	}
 
 	impl pallet::Config for Test {
diff --git a/substrate/frame/babe/src/mock.rs b/substrate/frame/babe/src/mock.rs
index dbffe9f312e6..a3f755902b59 100644
--- a/substrate/frame/babe/src/mock.rs
+++ b/substrate/frame/babe/src/mock.rs
@@ -24,7 +24,7 @@ use frame_election_provider_support::{
 	onchain, SequentialPhragmen,
 };
 use frame_support::{
-	parameter_types,
+	derive_impl, parameter_types,
 	traits::{ConstU128, ConstU32, ConstU64, KeyOwnerProofSystem, OnInitialize},
 };
 use pallet_session::historical as pallet_session_historical;
@@ -32,14 +32,14 @@ use pallet_staking::FixedNominationsQuota;
 use sp_consensus_babe::{AuthorityId, AuthorityPair, Randomness, Slot, VrfSignature};
 use sp_core::{
 	crypto::{KeyTypeId, Pair, VrfSecret},
-	H256, U256,
+	U256,
 };
 use sp_io;
 use sp_runtime::{
 	curve::PiecewiseLinear,
 	impl_opaque_keys,
 	testing::{Digest, DigestItem, Header, TestXt},
-	traits::{Header as _, IdentityLookup, OpaqueKeys},
+	traits::{Header as _, OpaqueKeys},
 	BuildStorage, Perbill,
 };
 use sp_staking::{EraIndex, SessionIndex};
@@ -63,30 +63,10 @@ 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 BlockWeights = ();
-	type BlockLength = ();
-	type DbWeight = ();
-	type RuntimeOrigin = RuntimeOrigin;
-	type Nonce = u64;
-	type RuntimeCall = RuntimeCall;
-	type Hash = H256;
-	type Version = ();
-	type Hashing = sp_runtime::traits::BlakeTwo256;
-	type AccountId = DummyValidatorId;
-	type Lookup = IdentityLookup<Self::AccountId>;
 	type Block = Block;
-	type RuntimeEvent = RuntimeEvent;
-	type BlockHashCount = ConstU64<250>;
-	type PalletInfo = PalletInfo;
 	type AccountData = pallet_balances::AccountData<u128>;
-	type OnNewAccount = ();
-	type OnKilledAccount = ();
-	type SystemWeightInfo = ();
-	type SS58Prefix = ();
-	type OnSetCode = ();
-	type MaxConsumers = frame_support::traits::ConstU32<16>;
 }
 
 impl<C> frame_system::offchain::SendTransactionTypes<C> for Test