diff --git a/frame/babe/src/lib.rs b/frame/babe/src/lib.rs
index fb1e32e5350b5..6eecf2675291c 100644
--- a/frame/babe/src/lib.rs
+++ b/frame/babe/src/lib.rs
@@ -401,10 +401,10 @@ pub mod pallet {
 		pub fn plan_config_change(
 			origin: OriginFor<T>,
 			config: NextConfigDescriptor,
-		) -> DispatchResultWithPostInfo {
+		) -> DispatchResult {
 			ensure_root(origin)?;
 			PendingEpochConfigChange::<T>::put(config);
-			Ok(().into())
+			Ok(())
 		}
 	}
 }
diff --git a/frame/im-online/src/lib.rs b/frame/im-online/src/lib.rs
index 0290c564ec599..bddb286fad739 100644
--- a/frame/im-online/src/lib.rs
+++ b/frame/im-online/src/lib.rs
@@ -397,7 +397,7 @@ pub mod pallet {
 			// since signature verification is done in `validate_unsigned`
 			// we can skip doing it here again.
 			_signature: <T::AuthorityId as RuntimeAppPublic>::Signature,
-		) -> DispatchResultWithPostInfo {
+		) -> DispatchResult {
 			ensure_none(origin)?;
 
 			let current_session = T::ValidatorSet::session_index();
@@ -417,7 +417,7 @@ pub mod pallet {
 					&network_state
 				);
 
-				Ok(().into())
+				Ok(())
 			} else if exists {
 				Err(Error::<T>::DuplicatedHeartbeat)?
 			} else {
diff --git a/frame/im-online/src/tests.rs b/frame/im-online/src/tests.rs
index 5ce931875b9a6..f100bd71c34f6 100644
--- a/frame/im-online/src/tests.rs
+++ b/frame/im-online/src/tests.rs
@@ -114,7 +114,7 @@ fn heartbeat(
 	authority_index: u32,
 	id: UintAuthorityId,
 	validators: Vec<u64>,
-) -> dispatch::DispatchResultWithPostInfo {
+) -> dispatch::DispatchResult {
 	use frame_support::unsigned::ValidateUnsigned;
 
 	let heartbeat = Heartbeat {
diff --git a/frame/nicks/src/lib.rs b/frame/nicks/src/lib.rs
index a6d2415ab96ef..45a0dc477b1d9 100644
--- a/frame/nicks/src/lib.rs
+++ b/frame/nicks/src/lib.rs
@@ -141,7 +141,7 @@ pub mod pallet {
 		/// - One event.
 		/// # </weight>
 		#[pallet::weight(50_000_000)]
-		pub(super) fn set_name(origin: OriginFor<T>, name: Vec<u8>) -> DispatchResultWithPostInfo {
+		pub(super) fn set_name(origin: OriginFor<T>, name: Vec<u8>) -> DispatchResult {
 			let sender = ensure_signed(origin)?;
 
 			ensure!(name.len() >= T::MinLength::get() as usize, Error::<T>::TooShort);
@@ -158,7 +158,7 @@ pub mod pallet {
 			};
 
 			<NameOf<T>>::insert(&sender, (name, deposit));
-			Ok(().into())
+			Ok(())
 		}
 
 		/// Clear an account's name and return the deposit. Fails if the account was not named.
@@ -172,7 +172,7 @@ pub mod pallet {
 		/// - One event.
 		/// # </weight>
 		#[pallet::weight(70_000_000)]
-		pub(super) fn clear_name(origin: OriginFor<T>) -> DispatchResultWithPostInfo {
+		pub(super) fn clear_name(origin: OriginFor<T>) -> DispatchResult {
 			let sender = ensure_signed(origin)?;
 
 			let deposit = <NameOf<T>>::take(&sender).ok_or(Error::<T>::Unnamed)?.1;
@@ -181,7 +181,7 @@ pub mod pallet {
 			debug_assert!(err_amount.is_zero());
 
 			Self::deposit_event(Event::<T>::NameCleared(sender, deposit));
-			Ok(().into())
+			Ok(())
 		}
 
 		/// Remove an account's name and take charge of the deposit.
@@ -201,7 +201,7 @@ pub mod pallet {
 		pub(super) fn kill_name(
 			origin: OriginFor<T>,
 			target: <T::Lookup as StaticLookup>::Source
-		) -> DispatchResultWithPostInfo {
+		) -> DispatchResult {
 			T::ForceOrigin::ensure_origin(origin)?;
 
 			// Figure out who we're meant to be clearing.
@@ -212,7 +212,7 @@ pub mod pallet {
 			T::Slashed::on_unbalanced(T::Currency::slash_reserved(&target, deposit.clone()).0);
 
 			Self::deposit_event(Event::<T>::NameKilled(target, deposit));
-			Ok(().into())
+			Ok(())
 		}
 
 		/// Set a third-party account's name with no deposit.
@@ -232,7 +232,7 @@ pub mod pallet {
 			origin: OriginFor<T>,
 			target: <T::Lookup as StaticLookup>::Source,
 			name: Vec<u8>
-		) -> DispatchResultWithPostInfo {
+		) -> DispatchResult {
 			T::ForceOrigin::ensure_origin(origin)?;
 
 			let target = T::Lookup::lookup(target)?;
@@ -240,7 +240,7 @@ pub mod pallet {
 			<NameOf<T>>::insert(&target, (name, deposit));
 
 			Self::deposit_event(Event::<T>::NameForced(target));
-			Ok(().into())
+			Ok(())
 		}
 	}
 }
diff --git a/frame/timestamp/src/lib.rs b/frame/timestamp/src/lib.rs
index 7c553b1e4b82f..dde635c6a8a30 100644
--- a/frame/timestamp/src/lib.rs
+++ b/frame/timestamp/src/lib.rs
@@ -183,7 +183,7 @@ pub mod pallet {
 			T::WeightInfo::set(),
 			DispatchClass::Mandatory
 		))]
-		pub(super) fn set(origin: OriginFor<T>, #[pallet::compact] now: T::Moment) -> DispatchResultWithPostInfo {
+		pub(super) fn set(origin: OriginFor<T>, #[pallet::compact] now: T::Moment) -> DispatchResult {
 			ensure_none(origin)?;
 			assert!(!DidUpdate::<T>::exists(), "Timestamp must be updated only once in the block");
 			let prev = Self::now();
@@ -196,7 +196,7 @@ pub mod pallet {
 
 			<T::OnTimestampSet as OnTimestampSet<_>>::on_timestamp_set(now);
 
-			Ok(().into())
+			Ok(())
 		}
 	}