diff --git a/primitives/runtime/src/offchain/storage_lock.rs b/primitives/runtime/src/offchain/storage_lock.rs
index 60bf9f04772dd..641aebed43754 100644
--- a/primitives/runtime/src/offchain/storage_lock.rs
+++ b/primitives/runtime/src/offchain/storage_lock.rs
@@ -184,7 +184,6 @@ pub struct BlockAndTime<B: BlockNumberProvider> {
 	/// the deadline.
 	expiration_duration: Duration,
 
-	#[doc(hidden)]
 	_phantom: core::marker::PhantomData<B>,
 }