diff --git a/.github/workflows/clippy-checks.yml b/.github/workflows/clippy-checks.yml
index 80f0b335e..e17d68e5f 100644
--- a/.github/workflows/clippy-checks.yml
+++ b/.github/workflows/clippy-checks.yml
@@ -20,7 +20,9 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: clippy
-          args: --release --all-features -- -W clippy::all -A clippy::style -A forgetting_copy_types -A forgetting_references
+          # `manual_inspect` (clippy 1.81) fires inside the `#[pallet::pallet]` expansion of our
+          # polkadot-sdk fork; the `deny(warnings)` pallets cannot allow it from the outside.
+          args: --release --all-features -- -W clippy::all -A clippy::style -A clippy::manual_inspect -A forgetting_copy_types -A forgetting_references
 
       - name: Clippy -- All Targets (except integration)
         uses: actions-rs/cargo@v1
diff --git a/.github/workflows/mlc_config.json b/.github/workflows/mlc_config.json
index 48bfb36da..2d224792c 100644
--- a/.github/workflows/mlc_config.json
+++ b/.github/workflows/mlc_config.json
@@ -2,6 +2,9 @@
 	"ignorePatterns": [
 		{
 			"pattern": "^https://crates.io"
+		},
+		{
+			"pattern": "^https://github.com/substrate-developer-hub/substrate-docs/blob/314e9cd3bd0ca9426bbfd381b79c3ef4d06b49c2/static/assets/tutorials/cumulus/chain-specs/rococo-custom-2-raw\\.json$"
 		}
 	]
 }
diff --git a/runtime/amplitude/src/lib.rs b/runtime/amplitude/src/lib.rs
index 36da8f5b0..107f97840 100644
--- a/runtime/amplitude/src/lib.rs
+++ b/runtime/amplitude/src/lib.rs
@@ -606,8 +606,6 @@ impl pallet_aura::Config for Runtime {
 	type DisabledValidators = ();
 	type MaxAuthorities = MaxAuthorities;
 	type AllowMultipleBlocksPerSlot = ConstBool<false>;
-	#[cfg(feature = "experimental")]
-	type SlotDuration = ConstU64<SLOT_DURATION>;
 }
 
 parameter_types! {
diff --git a/runtime/foucoco/src/lib.rs b/runtime/foucoco/src/lib.rs
index a5c9e5958..c776fe2aa 100644
--- a/runtime/foucoco/src/lib.rs
+++ b/runtime/foucoco/src/lib.rs
@@ -582,8 +582,6 @@ impl pallet_aura::Config for Runtime {
 	type DisabledValidators = ();
 	type MaxAuthorities = MaxAuthorities;
 	type AllowMultipleBlocksPerSlot = ConstBool<false>;
-	#[cfg(feature = "experimental")]
-	type SlotDuration = ConstU64<SLOT_DURATION>;
 }
 
 parameter_types! {
diff --git a/runtime/pendulum/src/lib.rs b/runtime/pendulum/src/lib.rs
index e98cd0841..493a0b33e 100644
--- a/runtime/pendulum/src/lib.rs
+++ b/runtime/pendulum/src/lib.rs
@@ -611,8 +611,6 @@ impl pallet_aura::Config for Runtime {
 	type DisabledValidators = ();
 	type MaxAuthorities = MaxAuthorities;
 	type AllowMultipleBlocksPerSlot = ConstBool<false>;
-	#[cfg(feature = "experimental")]
-	type SlotDuration = ConstU64<SLOT_DURATION>;
 }
 parameter_types! {
 	pub const LaunchPeriod: BlockNumber = 5 * DAYS;