From f0231fb8844e743d801f99def82f176b993b7353 Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Mon, 14 Mar 2022 18:35:33 -0400
Subject: [PATCH] remove unused memo function

---
 src/derived/memo.rs | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/src/derived/memo.rs b/src/derived/memo.rs
index 40c23728..e4b3de80 100644
--- a/src/derived/memo.rs
+++ b/src/derived/memo.rs
@@ -30,11 +30,6 @@ impl<V> MemoMap<V> {
         self.map.insert(key, ArcSwap::from(Arc::new(memo)));
     }
 
-    /// Removes any existing memo for the given key.
-    pub(super) fn remove(&self, key: DerivedKeyIndex) {
-        self.map.remove(&key);
-    }
-
     /// Evicts the existing memo for the given key, replacing it
     /// with an equivalent memo that has no value. If the memo
     /// has untracked inputs, this has no effect.