diff --git a/substrate/frame/support/src/storage/bounded_btree_set.rs b/substrate/frame/support/src/storage/bounded_btree_set.rs
index f74ff12854..ecfb0bdbd2 100644
--- a/substrate/frame/support/src/storage/bounded_btree_set.rs
+++ b/substrate/frame/support/src/storage/bounded_btree_set.rs
@@ -31,7 +31,8 @@ use sp_std::{
 ///
 /// Unlike a standard `BTreeSet`, there is an enforced upper limit to the number of items in the
 /// set. All internal operations ensure this bound is respected.
-#[derive(Encode)]
+#[derive(Encode, scale_info::TypeInfo)]
+#[scale_info(skip_type_params(S))]
 pub struct BoundedBTreeSet<T, S>(BTreeSet<T>, PhantomData<S>);
 
 impl<T, S> Decode for BoundedBTreeSet<T, S>
diff --git a/substrate/frame/support/src/storage/bounded_vec.rs b/substrate/frame/support/src/storage/bounded_vec.rs
index f353127969..a60ed57cf2 100644
--- a/substrate/frame/support/src/storage/bounded_vec.rs
+++ b/substrate/frame/support/src/storage/bounded_vec.rs
@@ -44,7 +44,8 @@ pub struct BoundedVec<T, S>(Vec<T>, PhantomData<S>);
 /// A bounded slice.
 ///
 /// Similar to a `BoundedVec`, but not owned and cannot be decoded.
-#[derive(Encode)]
+#[derive(Encode, scale_info::TypeInfo)]
+#[scale_info(skip_type_params(S))]
 pub struct BoundedSlice<'a, T, S>(&'a [T], PhantomData<S>);
 
 // `BoundedSlice`s encode to something which will always decode into a `BoundedVec`,