diff --git a/runtime/parachains/src/disputes/slashing.rs b/runtime/parachains/src/disputes/slashing.rs
index 2dfdc87c4b4e..f329b8e11e4f 100644
--- a/runtime/parachains/src/disputes/slashing.rs
+++ b/runtime/parachains/src/disputes/slashing.rs
@@ -568,6 +568,7 @@ impl<T: Config> Pallet<T> {
 	fn initializer_on_new_session(session_index: SessionIndex) {
 		// This should be small, as disputes are limited by spam slots, so no limit is
 		// fine.
+		// TODO: without spam slots is this still valid?
 		const REMOVE_LIMIT: u32 = u32::MAX;
 
 		let config = <crate::configuration::Pallet<T>>::config();