diff --git a/substrate/primitives/state-machine/src/overlayed_changes/changeset.rs b/substrate/primitives/state-machine/src/overlayed_changes/changeset.rs
index 656cf4c87049..53efb9328d12 100644
--- a/substrate/primitives/state-machine/src/overlayed_changes/changeset.rs
+++ b/substrate/primitives/state-machine/src/overlayed_changes/changeset.rs
@@ -65,6 +65,7 @@ pub enum ExecutionMode {
 	Runtime,
 }
 
+#[allow(missing_docs)]
 #[derive(Debug, Default, Clone)]
 #[cfg_attr(test, derive(PartialEq))]
 pub struct InnerValue<V> {
diff --git a/substrate/primitives/state-machine/src/overlayed_changes/mod.rs b/substrate/primitives/state-machine/src/overlayed_changes/mod.rs
index 7f57f3eca09f..f76dad3d15c7 100644
--- a/substrate/primitives/state-machine/src/overlayed_changes/mod.rs
+++ b/substrate/primitives/state-machine/src/overlayed_changes/mod.rs
@@ -813,7 +813,9 @@ where
 /// or an owned extension.
 #[cfg(feature = "std")]
 pub enum OverlayedExtension<'a> {
+	#[allow(missing_docs)]
 	MutRef(&'a mut Box<dyn Extension>),
+	#[allow(missing_docs)]
 	Owned(Box<dyn Extension>),
 }