From 2d9cf4c989f73f3c94de5b7336206731d9eadd3b Mon Sep 17 00:00:00 2001
From: Dan Cline <6798349+Rjected@users.noreply.github.com>
Date: Wed, 28 Jan 2026 21:48:59 +0000
Subject: [PATCH] chore: fix unused warns in sparse trie (#21546)

---
 crates/trie/sparse/src/state.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/crates/trie/sparse/src/state.rs b/crates/trie/sparse/src/state.rs
index 1b032b8dda..654f1e4ddd 100644
--- a/crates/trie/sparse/src/state.rs
+++ b/crates/trie/sparse/src/state.rs
@@ -984,9 +984,15 @@ where
     /// Will always return false in `no_std` builds.
     const fn is_prune_parallelism_enabled(num_tries: usize) -> bool {
         #[cfg(not(feature = "std"))]
-        return false;
+        {
+            let _ = num_tries;
+            return false;
+        }
 
-        num_tries >= Self::PARALLEL_PRUNE_THRESHOLD
+        #[cfg(feature = "std")]
+        {
+            num_tries >= Self::PARALLEL_PRUNE_THRESHOLD
+        }
     }
 
     /// Prunes the account trie and selected storage tries to reduce memory usage.