diff --git a/frame/assets/src/benchmarking.rs b/frame/assets/src/benchmarking.rs
index db98164023d5c..63258c2f591b6 100644
--- a/frame/assets/src/benchmarking.rs
+++ b/frame/assets/src/benchmarking.rs
@@ -74,8 +74,6 @@ fn assert_last_event<T: Config>(generic_event: <T as Config>::Event) {
 }
 
 benchmarks! {
-	_ { }
-
 	create {
 		let caller: T::AccountId = whitelisted_caller();
 		let caller_lookup = T::Lookup::unlookup(caller.clone());
diff --git a/frame/babe/src/benchmarking.rs b/frame/babe/src/benchmarking.rs
index 4d75c36669eab..087cac2ed6cc6 100644
--- a/frame/babe/src/benchmarking.rs
+++ b/frame/babe/src/benchmarking.rs
@@ -23,8 +23,6 @@ use frame_benchmarking::benchmarks;
 type Header = sp_runtime::generic::Header<u64, sp_runtime::traits::BlakeTwo256>;
 
 benchmarks! {
-	_ {	}
-
 	check_equivocation_proof {
 		let x in 0 .. 1;
 
diff --git a/frame/balances/src/benchmarking.rs b/frame/balances/src/benchmarking.rs
index 249934a61b4d7..53cf273d850de 100644
--- a/frame/balances/src/benchmarking.rs
+++ b/frame/balances/src/benchmarking.rs
@@ -33,8 +33,6 @@ const ED_MULTIPLIER: u32 = 10;
 
 
 benchmarks! {
-	_ { }
-
 	// Benchmark `transfer` extrinsic with the worst possible conditions:
 	// * Transfer will kill the sender account.
 	// * Transfer will create the recipient account.
diff --git a/frame/benchmarking/src/lib.rs b/frame/benchmarking/src/lib.rs
index 308e5285d3f61..6db8674a3d2de 100644
--- a/frame/benchmarking/src/lib.rs
+++ b/frame/benchmarking/src/lib.rs
@@ -88,24 +88,18 @@ pub use sp_storage::TrackedStorageKey;
 /// benchmarks! {
 ///   where_clause {  where T::A: From<u32> } // Optional line to give additional bound on `T`.
 ///
-///   // common parameter; just one for this example.
-///   // will be `1`, `MAX_LENGTH` or any value inbetween
-///   _ {
-///     let l in 1 .. MAX_LENGTH => initialize_l(l);
-///   }
-///
 ///   // first dispatchable: foo; this is a user dispatchable and operates on a `u8` vector of
-///   // size `l`, which we allow to be initialized as usual.
+///   // size `l`
 ///   foo {
 ///     let caller = account::<T>(b"caller", 0, benchmarks_seed);
-///     let l = ...;
+///     let l in 1 .. MAX_LENGTH => initialize_l(l);
 ///   }: _(Origin::Signed(caller), vec![0u8; l])
 ///
 ///   // second dispatchable: bar; this is a root dispatchable and accepts a `u8` vector of size
-///   // `l`. We don't want it pre-initialized like before so we override using the `=> ()` notation.
+///   // `l`.
 ///   // In this case, we explicitly name the call using `bar` instead of `_`.
 ///   bar {
-///     let l = _ .. _ => ();
+///     let l in 1 .. MAX_LENGTH => initialize_l(l);
 ///   }: bar(Origin::Root, vec![0u8; l])
 ///
 ///   // third dispatchable: baz; this is a user dispatchable. It isn't dependent on length like the
@@ -176,18 +170,11 @@ pub use sp_storage::TrackedStorageKey;
 #[macro_export]
 macro_rules! benchmarks {
 	(
-		$( where_clause { where $( $where_ty:ty: $where_bound:path ),* $(,)? } )?
-		_ {
-			$(
-				let $common:ident in $common_from:tt .. $common_to:expr => $common_instancer:expr;
-			)*
-		}
 		$( $rest:tt )*
 	) => {
 		$crate::benchmarks_iter!(
 			{ }
-			{ $( $( $where_ty: $where_bound ),* )? }
-			{ $( { $common , $common_from , $common_to , $common_instancer } )* }
+			{ }
 			( )
 			( )
 			$( $rest )*
@@ -199,18 +186,11 @@ macro_rules! benchmarks {
 #[macro_export]
 macro_rules! benchmarks_instance {
 	(
-		$( where_clause { where $( $where_ty:ty: $where_bound:path ),* $(,)? } )?
-		_ {
-			$(
-				let $common:ident in $common_from:tt .. $common_to:expr => $common_instancer:expr;
-			)*
-		}
 		$( $rest:tt )*
 	) => {
 		$crate::benchmarks_iter!(
 			{ I }
-			{ $( $( $where_ty: $where_bound ),* )? }
-			{ $( { $common , $common_from , $common_to , $common_instancer } )* }
+			{ }
 			( )
 			( )
 			$( $rest )*
@@ -221,11 +201,27 @@ macro_rules! benchmarks_instance {
 #[macro_export]
 #[doc(hidden)]
 macro_rules! benchmarks_iter {
+	// detect and extract where clause:
+	(
+		{ $( $instance:ident )? }
+		{ $( $where_clause:tt )* }
+		( $( $names:tt )* )
+		( $( $names_extra:tt )* )
+		where_clause { where $( $where_ty:ty: $where_bound:path ),* $(,)? }
+		$( $rest:tt )*
+	) => {
+		$crate::benchmarks_iter! {
+			{ $( $instance)? }
+			{ $( $where_ty: $where_bound ),* }
+			( $( $names )* )
+			( $( $names_extra )* )
+			$( $rest )*
+		}
+	};
 	// detect and extract extra tag:
 	(
 		{ $( $instance:ident )? }
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		( $( $names:tt )* )
 		( $( $names_extra:tt )* )
 		#[extra]
@@ -235,7 +231,6 @@ macro_rules! benchmarks_iter {
 		$crate::benchmarks_iter! {
 			{ $( $instance)? }
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			( $( $names )* )
 			( $( $names_extra )* $name )
 			$name
@@ -246,7 +241,6 @@ macro_rules! benchmarks_iter {
 	(
 		{ $( $instance:ident )? }
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		( $( $names:tt )* ) // This contains $( $( { $instance } )? $name:ident )*
 		( $( $names_extra:tt )* )
 		$name:ident { $( $code:tt )* }: _ ( $origin:expr $( , $arg:expr )* )
@@ -256,7 +250,6 @@ macro_rules! benchmarks_iter {
 		$crate::benchmarks_iter! {
 			{ $( $instance)? }
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			( $( $names )* )
 			( $( $names_extra )* )
 			$name { $( $code )* }: $name ( $origin $( , $arg )* )
@@ -268,7 +261,6 @@ macro_rules! benchmarks_iter {
 	(
 		{ $( $instance:ident )? }
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		( $( $names:tt )* )
 		( $( $names_extra:tt )* )
 		$name:ident { $( $code:tt )* }: $dispatch:ident ( $origin:expr $( , $arg:expr )* )
@@ -278,7 +270,6 @@ macro_rules! benchmarks_iter {
 		$crate::benchmarks_iter! {
 			{ $( $instance)? }
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			( $( $names )* )
 			( $( $names_extra )* )
 			$name { $( $code )* }: {
@@ -296,7 +287,6 @@ macro_rules! benchmarks_iter {
 	(
 		{ $( $instance:ident )? }
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		( $( $names:tt )* )
 		( $( $names_extra:tt )* )
 		$name:ident { $( $code:tt )* }: $eval:block
@@ -307,7 +297,6 @@ macro_rules! benchmarks_iter {
 			{ $( $instance)? }
 			$name
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			{ }
 			{ $eval }
 			{ $( $code )* }
@@ -324,7 +313,6 @@ macro_rules! benchmarks_iter {
 		$crate::benchmarks_iter!(
 			{ $( $instance)? }
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			( $( $names )* { $( $instance )? } $name )
 			( $( $names_extra )* )
 			$( $rest )*
@@ -334,7 +322,6 @@ macro_rules! benchmarks_iter {
 	(
 		{ $( $instance:ident )? }
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		( $( $names:tt )* )
 		( $( $names_extra:tt )* )
 	) => {
@@ -354,7 +341,6 @@ macro_rules! benchmarks_iter {
 	(
 		{ $( $instance:ident )? }
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		( $( $names:tt )* )
 		( $( $names_extra:tt )* )
 		$name:ident { $( $code:tt )* }: _ ( $origin:expr $( , $arg:expr )* )
@@ -363,7 +349,6 @@ macro_rules! benchmarks_iter {
 		$crate::benchmarks_iter! {
 			{ $( $instance)? }
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			( $( $names )* )
 			( $( $names_extra )* )
 			$name { $( $code )* }: _ ( $origin $( , $arg )* )
@@ -375,7 +360,6 @@ macro_rules! benchmarks_iter {
 	(
 		{ $( $instance:ident )? }
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		( $( $names:tt )* )
 		( $( $names_extra:tt )* )
 		$name:ident { $( $code:tt )* }: $dispatch:ident ( $origin:expr $( , $arg:expr )* )
@@ -384,7 +368,6 @@ macro_rules! benchmarks_iter {
 		$crate::benchmarks_iter! {
 			{ $( $instance)? }
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			( $( $names )* )
 			( $( $names_extra )* )
 			$name { $( $code )* }: $dispatch ( $origin $( , $arg )* )
@@ -396,7 +379,6 @@ macro_rules! benchmarks_iter {
 	(
 		{ $( $instance:ident )? }
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		( $( $names:tt )* )
 		( $( $names_extra:tt )* )
 		$name:ident { $( $code:tt )* }: $eval:block
@@ -405,7 +387,6 @@ macro_rules! benchmarks_iter {
 		$crate::benchmarks_iter!(
 			{ $( $instance)? }
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			( $( $names )* )
 			( $( $names_extra )* )
 			$name { $( $code )* }: $eval
@@ -423,7 +404,6 @@ macro_rules! benchmark_backend {
 		{ $( $instance:ident )? }
 		$name:ident
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		{ $( PRE { $( $pre_parsed:tt )* } )* }
 		{ $eval:block }
 		{
@@ -436,7 +416,6 @@ macro_rules! benchmark_backend {
 			{ $( $instance)? }
 			$name
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			{
 				$( PRE { $( $pre_parsed )* } )*
 				PRE { $pre_id , $pre_ty , $pre_ex }
@@ -450,7 +429,6 @@ macro_rules! benchmark_backend {
 		{ $( $instance:ident )? }
 		$name:ident
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		{ $( $parsed:tt )* }
 		{ $eval:block }
 		{
@@ -463,7 +441,6 @@ macro_rules! benchmark_backend {
 			{ $( $instance)? }
 			$name
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			{
 				$( $parsed )*
 				PARAM { $param , $param_from , $param_to , $param_instancer }
@@ -478,7 +455,6 @@ macro_rules! benchmark_backend {
 		{ $( $instance:ident )? }
 		$name:ident
 		{ $( $where_clause:tt )* }
-		{ $( { $common:ident , $common_from:tt , $common_to:expr , $common_instancer:expr } )* }
 		{ $( $parsed:tt )* }
 		{ $eval:block }
 		{
@@ -491,16 +467,8 @@ macro_rules! benchmark_backend {
 			{ $( $instance)? }
 			$name
 			{ $( $where_clause )* }
-			{ $( { $common , $common_from , $common_to , $common_instancer } )* }
 			{ $( $parsed )* }
 			{ $eval }
-			{
-				let $param
-					in ({ $( let $common = $common_from; )* $param })
-					.. ({ $( let $common = $common_to; )* $param })
-					=> ({ $( let $common = || -> Result<(), &'static str> { $common_instancer ; Ok(()) }; )* $param()? });
-				$( $rest )*
-			}
 			$postcode
 		}
 	};
@@ -509,7 +477,6 @@ macro_rules! benchmark_backend {
 		{ $( $instance:ident )? }
 		$name:ident
 		{ $( $where_clause:tt )* }
-		{ $( { $common:ident , $common_from:tt , $common_to:expr , $common_instancer:expr } )* }
 		{ $( $parsed:tt )* }
 		{ $eval:block }
 		{
@@ -522,16 +489,8 @@ macro_rules! benchmark_backend {
 			{ $( $instance)? }
 			$name
 			{ $( $where_clause )* }
-			{ $( { $common , $common_from , $common_to , $common_instancer } )* }
 			{ $( $parsed )* }
 			{ $eval }
-			{
-				let $param
-					in ({ $( let $common = $common_from; )* $param })
-					.. ({ $( let $common = $common_to; )* $param })
-					=> $param_instancer ;
-				$( $rest )*
-			}
 			$postcode
 		}
 	};
@@ -540,7 +499,6 @@ macro_rules! benchmark_backend {
 		{ $( $instance:ident )? }
 		$name:ident
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		{ $( $parsed:tt )* }
 		{ $eval:block }
 		{
@@ -553,7 +511,6 @@ macro_rules! benchmark_backend {
 			{ $( $instance)? }
 			$name
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			{ $( $parsed )* }
 			{ $eval }
 			{
@@ -568,7 +525,6 @@ macro_rules! benchmark_backend {
 		{ $( $instance:ident )? }
 		$name:ident
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		{ $( $parsed:tt )* }
 		{ $eval:block }
 		{
@@ -581,7 +537,6 @@ macro_rules! benchmark_backend {
 			{ $( $instance)? }
 			$name
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			{ $( $parsed )* }
 			{ $eval }
 			{
@@ -596,7 +551,6 @@ macro_rules! benchmark_backend {
 		{ $( $instance:ident )? }
 		$name:ident
 		{ $( $where_clause:tt )* }
-		{ $( $common:tt )* }
 		{ $( $parsed:tt )* }
 		{ $eval:block }
 		{
@@ -609,7 +563,6 @@ macro_rules! benchmark_backend {
 			{ $( $instance)? }
 			$name
 			{ $( $where_clause )* }
-			{ $( $common )* }
 			{ $( $parsed )* }
 			{ $eval }
 			{
@@ -624,7 +577,6 @@ macro_rules! benchmark_backend {
 		{ $( $instance:ident )? }
 		$name:ident
 		{ $( $where_clause:tt )* }
-		{ $( { $common:ident , $common_from:tt , $common_to:expr , $common_instancer:expr } )* }
 		{
 			$( PRE { $pre_id:tt , $pre_ty:ty , $pre_ex:expr } )*
 			$( PARAM { $param:ident , $param_from:expr , $param_to:expr , $param_instancer:expr } )*
@@ -653,9 +605,6 @@ macro_rules! benchmark_backend {
 				components: &[($crate::BenchmarkParameter, u32)],
 				verify: bool
 			) -> Result<Box<dyn FnOnce() -> Result<(), &'static str>>, &'static str> {
-				$(
-					let $common = $common_from;
-				)*
 				$(
 					// Prepare instance
 					let $param = components.iter()
diff --git a/frame/benchmarking/src/tests.rs b/frame/benchmarking/src/tests.rs
index 7ea6bfd9afa25..2cbf4b9d1950c 100644
--- a/frame/benchmarking/src/tests.rs
+++ b/frame/benchmarking/src/tests.rs
@@ -112,13 +112,8 @@ fn new_test_ext() -> sp_io::TestExternalities {
 benchmarks!{
 	where_clause { where <T as OtherConfig>::OtherEvent: Into<<T as Config>::Event> }
 
-	_ {
-		// Define a common range for `b`.
-		let b in 1 .. 1000 => ();
-	}
-
 	set_value {
-		let b in ...;
+		let b in 1 .. 1000;
 		let caller = account::<T::AccountId>("caller", 0, 0);
 	}: _ (RawOrigin::Signed(caller), b.into())
 	verify {
@@ -126,7 +121,7 @@ benchmarks!{
 	}
 
 	other_name {
-		let b in ...;
+		let b in 1 .. 1000;
 	}: dummy (RawOrigin::None, b.into())
 
 	sort_vector {
@@ -142,7 +137,7 @@ benchmarks!{
 	}
 
 	bad_origin {
-		let b in ...;
+		let b in 1 .. 1000;
 		let caller = account::<T::AccountId>("caller", 0, 0);
 	}: dummy (RawOrigin::Signed(caller), b.into())
 
diff --git a/frame/bounties/src/benchmarking.rs b/frame/bounties/src/benchmarking.rs
index 0fe479bda7bda..f6fc11ad0bf06 100644
--- a/frame/bounties/src/benchmarking.rs
+++ b/frame/bounties/src/benchmarking.rs
@@ -94,8 +94,6 @@ fn assert_last_event<T: Config>(generic_event: <T as Config>::Event) {
 const MAX_BYTES: u32 = 16384;
 
 benchmarks! {
-	_ { }
-
 	propose_bounty {
 		let d in 0 .. MAX_BYTES;
 
diff --git a/frame/collective/src/benchmarking.rs b/frame/collective/src/benchmarking.rs
index 50fab1b3e474e..bff7dad59d891 100644
--- a/frame/collective/src/benchmarking.rs
+++ b/frame/collective/src/benchmarking.rs
@@ -42,8 +42,7 @@ fn assert_last_event<T: Config<I>, I: Instance>(generic_event: <T as Config<I>>:
 }
 
 benchmarks_instance! {
-	_{ }
-
+	
 	set_members {
 		let m in 1 .. T::MaxMembers::get();
 		let n in 1 .. T::MaxMembers::get();
diff --git a/frame/contracts/src/benchmarking/mod.rs b/frame/contracts/src/benchmarking/mod.rs
index d08f0ab5e65ec..9fa365116c7a0 100644
--- a/frame/contracts/src/benchmarking/mod.rs
+++ b/frame/contracts/src/benchmarking/mod.rs
@@ -282,9 +282,6 @@ benchmarks! {
 		T::AccountId: AsRef<[u8]>,
 	}
 
-	_ {
-	}
-
 	// The base weight without any actual work performed apart from the setup costs.
 	on_initialize {}: {
 		Storage::<T>::process_deletion_queue_batch(Weight::max_value())
diff --git a/frame/democracy/src/benchmarking.rs b/frame/democracy/src/benchmarking.rs
index 7460249b6c393..c66ce20dab87c 100644
--- a/frame/democracy/src/benchmarking.rs
+++ b/frame/democracy/src/benchmarking.rs
@@ -97,8 +97,6 @@ fn account_vote<T: Config>(b: BalanceOf<T>) -> AccountVote<BalanceOf<T>> {
 }
 
 benchmarks! {
-	_ { }
-
 	propose {
 		let p = T::MaxProposals::get();
 
diff --git a/frame/elections-phragmen/src/benchmarking.rs b/frame/elections-phragmen/src/benchmarking.rs
index db3a8c96023a3..3ed4af2487df3 100644
--- a/frame/elections-phragmen/src/benchmarking.rs
+++ b/frame/elections-phragmen/src/benchmarking.rs
@@ -167,8 +167,6 @@ fn clean<T: Config>() {
 }
 
 benchmarks! {
-	_ {}
-
 	// -- Signed ones
 	vote {
 		let v in 1 .. (MAXIMUM_VOTE as u32);
diff --git a/frame/example/src/lib.rs b/frame/example/src/lib.rs
index 382d67263d1b0..05526d2c7a29e 100644
--- a/frame/example/src/lib.rs
+++ b/frame/example/src/lib.rs
@@ -655,20 +655,15 @@ mod benchmarking {
 	use frame_system::RawOrigin;
 
 	benchmarks!{
-		_ {
-			// Define a common range for `b`.
-			let b in 1 .. 1000 => ();
-		}
-
 		// This will measure the execution time of `accumulate_dummy` for b in [1..1000] range.
 		accumulate_dummy {
-			let b in ...;
+			let b in 1 .. 1000;
 			let caller = account("caller", 0, 0);
 		}: _ (RawOrigin::Signed(caller), b.into())
 
 		// This will measure the execution time of `set_dummy` for b in [1..1000] range.
 		set_dummy {
-			let b in ...;
+			let b in 1 .. 1000;
 		}: set_dummy (RawOrigin::Root, b.into())
 
 		// This will measure the execution time of `set_dummy` for b in [1..10] range.
diff --git a/frame/grandpa/src/benchmarking.rs b/frame/grandpa/src/benchmarking.rs
index d91bd223a5706..5f08a5ea4bac0 100644
--- a/frame/grandpa/src/benchmarking.rs
+++ b/frame/grandpa/src/benchmarking.rs
@@ -25,8 +25,6 @@ use frame_system::RawOrigin;
 use sp_core::H256;
 
 benchmarks! {
-	_ {	}
-
 	check_equivocation_proof {
 		let x in 0 .. 1;
 
diff --git a/frame/identity/src/benchmarking.rs b/frame/identity/src/benchmarking.rs
index dccef494a0e88..e916bdfa50461 100644
--- a/frame/identity/src/benchmarking.rs
+++ b/frame/identity/src/benchmarking.rs
@@ -107,25 +107,6 @@ fn create_identity_info<T: Config>(num_fields: u32) -> IdentityInfo {
 }
 
 benchmarks! {
-	// These are the common parameters along with their instancing.
-	_ {
-		let r in 1 .. T::MaxRegistrars::get() => add_registrars::<T>(r)?;
-		// extra parameter for the set_subs bench for previous sub accounts
-		let p in 1 .. T::MaxSubAccounts::get() => ();
-		let s in 1 .. T::MaxSubAccounts::get() => {
-			// Give them s many sub accounts
-			let caller: T::AccountId = whitelisted_caller();
-			let _ = add_sub_accounts::<T>(&caller, s)?;
-		};
-		let x in 1 .. T::MaxAdditionalFields::get() => {
-			// Create their main identity with x additional fields
-			let info = create_identity_info::<T>(x);
-			let caller: T::AccountId = whitelisted_caller();
-			let caller_origin = <T as frame_system::Config>::Origin::from(RawOrigin::Signed(caller));
-			Identity::<T>::set_identity(caller_origin, info)?;
-		};
-	}
-
 	add_registrar {
 		let r in 1 .. T::MaxRegistrars::get() - 1 => add_registrars::<T>(r)?;
 		ensure!(Registrars::<T>::get().len() as u32 == r, "Registrars not set up correctly.");
@@ -135,10 +116,8 @@ benchmarks! {
 	}
 
 	set_identity {
-		let r in ...;
-		// This X doesn't affect the caller ID up front like with the others, so we don't use the
-		// standard preparation.
-		let x in _ .. _ => ();
+		let r in 1 .. T::MaxRegistrars::get() => add_registrars::<T>(r)?;
+		let x in 1 .. T::MaxAdditionalFields::get();
 		let caller = {
 			// The target user
 			let caller: T::AccountId = whitelisted_caller();
@@ -204,9 +183,19 @@ benchmarks! {
 		let caller_lookup = <T::Lookup as StaticLookup>::unlookup(caller.clone());
 		let _ = T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
 
-		let r in ...;
-		let s in ...;
-		let x in ...;
+		let r in 1 .. T::MaxRegistrars::get() => add_registrars::<T>(r)?;
+		let s in 1 .. T::MaxSubAccounts::get() => {
+			// Give them s many sub accounts
+			let caller: T::AccountId = whitelisted_caller();
+			let _ = add_sub_accounts::<T>(&caller, s)?;
+		};
+		let x in 1 .. T::MaxAdditionalFields::get() => {
+			// Create their main identity with x additional fields
+			let info = create_identity_info::<T>(x);
+			let caller: T::AccountId = whitelisted_caller();
+			let caller_origin = <T as frame_system::Config>::Origin::from(RawOrigin::Signed(caller));
+			Identity::<T>::set_identity(caller_origin, info)?;
+		};
 
 		// User requests judgement from all the registrars, and they approve
 		for i in 0..r {
@@ -228,8 +217,14 @@ benchmarks! {
 		let caller: T::AccountId = whitelisted_caller();
 		let _ = T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
 
-		let r in ...;
-		let x in ...;
+		let r in 1 .. T::MaxRegistrars::get() => add_registrars::<T>(r)?;
+		let x in 1 .. T::MaxAdditionalFields::get() => {
+			// Create their main identity with x additional fields
+			let info = create_identity_info::<T>(x);
+			let caller: T::AccountId = whitelisted_caller();
+			let caller_origin = <T as frame_system::Config>::Origin::from(RawOrigin::Signed(caller));
+			Identity::<T>::set_identity(caller_origin, info)?;
+		};
 	}: _(RawOrigin::Signed(caller.clone()), r - 1, 10u32.into())
 	verify {
 		assert_last_event::<T>(Event::<T>::JudgementRequested(caller, r-1).into());
@@ -240,8 +235,14 @@ benchmarks! {
 		let caller_origin = <T as frame_system::Config>::Origin::from(RawOrigin::Signed(caller.clone()));
 		let _ = T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
 
-		let r in ...;
-		let x in ...;
+		let r in 1 .. T::MaxRegistrars::get() => add_registrars::<T>(r)?;
+		let x in 1 .. T::MaxAdditionalFields::get() => {
+			// Create their main identity with x additional fields
+			let info = create_identity_info::<T>(x);
+			let caller: T::AccountId = whitelisted_caller();
+			let caller_origin = <T as frame_system::Config>::Origin::from(RawOrigin::Signed(caller));
+			Identity::<T>::set_identity(caller_origin, info)?;
+		};
 
 		Identity::<T>::request_judgement(caller_origin, r - 1, 10u32.into())?;
 	}: _(RawOrigin::Signed(caller.clone()), r - 1)
@@ -308,8 +309,7 @@ benchmarks! {
 		let _ = T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
 
 		let r in 1 .. T::MaxRegistrars::get() - 1 => add_registrars::<T>(r)?;
-		// For this x, it's the user identity that gts the fields, not the caller.
-		let x in _ .. _ => {
+		let x in 1 .. T::MaxAdditionalFields::get() => {
 			let info = create_identity_info::<T>(x);
 			Identity::<T>::set_identity(user_origin.clone(), info)?;
 		};
@@ -322,10 +322,9 @@ benchmarks! {
 	}
 
 	kill_identity {
-		let r in ...;
-		// Setting up our own account below.
-		let s in _ .. _ => {};
-		let x in _ .. _ => {};
+		let r in 1 .. T::MaxRegistrars::get() => add_registrars::<T>(r)?;
+		let s in 1 .. T::MaxSubAccounts::get();
+		let x in 1 .. T::MaxAdditionalFields::get();
 
 		let target: T::AccountId = account("target", 0, SEED);
 		let target_origin: <T as frame_system::Config>::Origin = RawOrigin::Signed(target.clone()).into();
diff --git a/frame/im-online/src/benchmarking.rs b/frame/im-online/src/benchmarking.rs
index 8493f2b4c6426..ef7f66307a99d 100644
--- a/frame/im-online/src/benchmarking.rs
+++ b/frame/im-online/src/benchmarking.rs
@@ -63,8 +63,6 @@ pub fn create_heartbeat<T: Config>(k: u32, e: u32) ->
 }
 
 benchmarks! {
-	_{ }
-
 	#[extra]
 	heartbeat {
 		let k in 1 .. MAX_KEYS;
diff --git a/frame/indices/src/benchmarking.rs b/frame/indices/src/benchmarking.rs
index 51182b1047753..f83e05ee9c627 100644
--- a/frame/indices/src/benchmarking.rs
+++ b/frame/indices/src/benchmarking.rs
@@ -29,8 +29,6 @@ use crate::Module as Indices;
 const SEED: u32 = 0;
 
 benchmarks! {
-	_ { }
-
 	claim {
 		let account_index = T::AccountIndex::from(SEED);
 		let caller: T::AccountId = whitelisted_caller();
diff --git a/frame/merkle-mountain-range/src/benchmarking.rs b/frame/merkle-mountain-range/src/benchmarking.rs
index 4a5ff4b72965c..e6b3cf7f2172c 100644
--- a/frame/merkle-mountain-range/src/benchmarking.rs
+++ b/frame/merkle-mountain-range/src/benchmarking.rs
@@ -25,8 +25,6 @@ use frame_benchmarking::benchmarks;
 use sp_std::prelude::*;
 
 benchmarks! {
-	_ {	}
-
 	on_initialize {
 		let x in 1 .. 1_000;
 
diff --git a/frame/multisig/src/benchmarking.rs b/frame/multisig/src/benchmarking.rs
index a257a96cacac6..748223072b99b 100644
--- a/frame/multisig/src/benchmarking.rs
+++ b/frame/multisig/src/benchmarking.rs
@@ -48,8 +48,6 @@ fn setup_multi<T: Config>(s: u32, z: u32)
 }
 
 benchmarks! {
-	_ { }
-
 	as_multi_threshold_1 {
 		// Transaction Length
 		let z in 0 .. 10_000;
diff --git a/frame/offences/benchmarking/src/lib.rs b/frame/offences/benchmarking/src/lib.rs
index 09ac820cf5c4d..f2807ba6c7a88 100644
--- a/frame/offences/benchmarking/src/lib.rs
+++ b/frame/offences/benchmarking/src/lib.rs
@@ -203,8 +203,6 @@ fn check_events<T: Config, I: Iterator<Item = <T as SystemConfig>::Event>>(expec
 }
 
 benchmarks! {
-	_ { }
-
 	report_offence_im_online {
 		let r in 1 .. MAX_REPORTERS;
 		// we skip 1 offender, because in such case there is no slashing
diff --git a/frame/proxy/src/benchmarking.rs b/frame/proxy/src/benchmarking.rs
index b08b47123d919..29c2e475c64ff 100644
--- a/frame/proxy/src/benchmarking.rs
+++ b/frame/proxy/src/benchmarking.rs
@@ -80,12 +80,8 @@ fn add_announcements<T: Config>(
 }
 
 benchmarks! {
-	_ {
-		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
-	}
-
 	proxy {
-		let p in ...;
+		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
 		// In this case the caller is the "target" proxy
 		let caller: T::AccountId = account("target", p - 1, SEED);
 		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
@@ -99,7 +95,7 @@ benchmarks! {
 
 	proxy_announced {
 		let a in 0 .. T::MaxPending::get() - 1;
-		let p in ...;
+		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
 		// In this case the caller is the "target" proxy
 		let caller: T::AccountId = account("anonymous", 0, SEED);
 		let delegate: T::AccountId = account("target", p - 1, SEED);
@@ -120,7 +116,7 @@ benchmarks! {
 
 	remove_announcement {
 		let a in 0 .. T::MaxPending::get() - 1;
-		let p in ...;
+		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
 		// In this case the caller is the "target" proxy
 		let caller: T::AccountId = account("target", p - 1, SEED);
 		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
@@ -141,7 +137,7 @@ benchmarks! {
 
 	reject_announcement {
 		let a in 0 .. T::MaxPending::get() - 1;
-		let p in ...;
+		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
 		// In this case the caller is the "target" proxy
 		let caller: T::AccountId = account("target", p - 1, SEED);
 		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
@@ -162,7 +158,7 @@ benchmarks! {
 
 	announce {
 		let a in 0 .. T::MaxPending::get() - 1;
-		let p in ...;
+		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
 		// In this case the caller is the "target" proxy
 		let caller: T::AccountId = account("target", p - 1, SEED);
 		T::Currency::make_free_balance_be(&caller, BalanceOf::<T>::max_value());
@@ -177,7 +173,7 @@ benchmarks! {
 	}
 
 	add_proxy {
-		let p in ...;
+		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
 		let caller: T::AccountId = whitelisted_caller();
 	}: _(
 		RawOrigin::Signed(caller.clone()),
@@ -191,7 +187,7 @@ benchmarks! {
 	}
 
 	remove_proxy {
-		let p in ...;
+		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
 		let caller: T::AccountId = whitelisted_caller();
 	}: _(
 		RawOrigin::Signed(caller.clone()),
@@ -205,7 +201,7 @@ benchmarks! {
 	}
 
 	remove_proxies {
-		let p in ...;
+		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
 		let caller: T::AccountId = whitelisted_caller();
 	}: _(RawOrigin::Signed(caller.clone()))
 	verify {
@@ -214,7 +210,7 @@ benchmarks! {
 	}
 
 	anonymous {
-		let p in ...;
+		let p in 1 .. (T::MaxProxies::get() - 1).into() => add_proxies::<T>(p, None)?;
 		let caller: T::AccountId = whitelisted_caller();
 	}: _(
 		RawOrigin::Signed(caller.clone()),
diff --git a/frame/scheduler/src/benchmarking.rs b/frame/scheduler/src/benchmarking.rs
index e45551269bc5f..defc334ba7368 100644
--- a/frame/scheduler/src/benchmarking.rs
+++ b/frame/scheduler/src/benchmarking.rs
@@ -52,8 +52,6 @@ fn fill_schedule<T: Config> (when: T::BlockNumber, n: u32) -> Result<(), &'stati
 }
 
 benchmarks! {
-	_ { }
-
 	schedule {
 		let s in 0 .. T::MaxScheduledPerBlock::get();
 		let when = BLOCK_NUMBER.into();
diff --git a/frame/session/benchmarking/src/lib.rs b/frame/session/benchmarking/src/lib.rs
index 89afc73b6b442..8f1911c125b85 100644
--- a/frame/session/benchmarking/src/lib.rs
+++ b/frame/session/benchmarking/src/lib.rs
@@ -51,8 +51,6 @@ impl<T: Config> OnInitialize<T::BlockNumber> for Module<T> {
 }
 
 benchmarks! {
-	_ {	}
-
 	set_keys {
 		let n = MAX_NOMINATIONS as u32;
 		let (v_stash, _) = create_validator_with_nominators::<T>(
diff --git a/frame/staking/src/benchmarking.rs b/frame/staking/src/benchmarking.rs
index 0ebe1eab788cf..29e71f9539864 100644
--- a/frame/staking/src/benchmarking.rs
+++ b/frame/staking/src/benchmarking.rs
@@ -113,8 +113,6 @@ pub fn create_validator_with_nominators<T: Config>(
 const USER_SEED: u32 = 999666;
 
 benchmarks! {
-	_{}
-
 	bond {
 		let stash = create_funded_user::<T>("stash", USER_SEED, 100);
 		let controller = create_funded_user::<T>("controller", USER_SEED, 100);
diff --git a/frame/system/benchmarking/src/lib.rs b/frame/system/benchmarking/src/lib.rs
index f60cd94a0f628..57ae998862959 100644
--- a/frame/system/benchmarking/src/lib.rs
+++ b/frame/system/benchmarking/src/lib.rs
@@ -38,8 +38,6 @@ pub struct Module<T: Config>(System<T>);
 pub trait Config: frame_system::Config {}
 
 benchmarks! {
-	_ { }
-
 	remark {
 		let b in 0 .. *T::BlockLength::get().max.get(DispatchClass::Normal) as u32;
 		let remark_message = vec![1; b as usize];
diff --git a/frame/timestamp/src/benchmarking.rs b/frame/timestamp/src/benchmarking.rs
index 27294a91c526f..024e6967826cd 100644
--- a/frame/timestamp/src/benchmarking.rs
+++ b/frame/timestamp/src/benchmarking.rs
@@ -30,8 +30,6 @@ use crate::Module as Timestamp;
 const MAX_TIME: u32 = 100;
 
 benchmarks! {
-	_ { }
-
 	set {
 		let t = MAX_TIME;
 		// Ignore write to `DidUpdate` since it transient.
diff --git a/frame/tips/src/benchmarking.rs b/frame/tips/src/benchmarking.rs
index 6e54247cdb6d4..e05afc0b2ab20 100644
--- a/frame/tips/src/benchmarking.rs
+++ b/frame/tips/src/benchmarking.rs
@@ -89,8 +89,6 @@ const MAX_BYTES: u32 = 16384;
 const MAX_TIPPERS: u32 = 100;
 
 benchmarks! {
-	_ { }
-
 	report_awesome {
 		let r in 0 .. MAX_BYTES;
 		let (caller, reason, awesome_person) = setup_awesome::<T>(r);
diff --git a/frame/treasury/src/benchmarking.rs b/frame/treasury/src/benchmarking.rs
index ee462cd372f53..9cb214420ca43 100644
--- a/frame/treasury/src/benchmarking.rs
+++ b/frame/treasury/src/benchmarking.rs
@@ -66,8 +66,7 @@ fn setup_pot_account<T: Config<I>, I: Instance>() {
 }
 
 benchmarks_instance! {
-	_ { }
-
+	
 	propose_spend {
 		let (caller, value, beneficiary_lookup) = setup_proposal::<T, _>(SEED);
 		// Whitelist caller account from further DB operations.
diff --git a/frame/utility/src/benchmarking.rs b/frame/utility/src/benchmarking.rs
index 068d40c399be8..24de60215799f 100644
--- a/frame/utility/src/benchmarking.rs
+++ b/frame/utility/src/benchmarking.rs
@@ -34,8 +34,6 @@ fn assert_last_event<T: Config>(generic_event: <T as Config>::Event) {
 }
 
 benchmarks! {
-	_ { }
-
 	batch {
 		let c in 0 .. 1000;
 		let mut calls: Vec<<T as Config>::Call> = Vec::new();
diff --git a/frame/vesting/src/benchmarking.rs b/frame/vesting/src/benchmarking.rs
index 6a61a6479b111..f65011050422b 100644
--- a/frame/vesting/src/benchmarking.rs
+++ b/frame/vesting/src/benchmarking.rs
@@ -58,8 +58,6 @@ fn add_vesting_schedule<T: Config>(who: &T::AccountId) -> Result<(), &'static st
 }
 
 benchmarks! {
-	_ { }
-
 	vest_locked {
 		let l in 0 .. MaxLocksOf::<T>::get();