From d3cc12de46e2d8bad04f0295cdfdc281e24a558d Mon Sep 17 00:00:00 2001
From: "Robert G. Jakabosky" <rjakabosky+neopallium@neoawareness.com>
Date: Thu, 21 Nov 2024 20:50:56 +0800
Subject: [PATCH] Remove unused error variant.

---
 rust/frameworks/tw_substrate/src/entry.rs | 7 +++++--
 rust/frameworks/tw_substrate/src/lib.rs   | 1 -
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/rust/frameworks/tw_substrate/src/entry.rs b/rust/frameworks/tw_substrate/src/entry.rs
index a91f4cd86a2..1a33f9145d3 100644
--- a/rust/frameworks/tw_substrate/src/entry.rs
+++ b/rust/frameworks/tw_substrate/src/entry.rs
@@ -43,8 +43,11 @@ impl<T: SubstrateCoinEntry> SubstrateEntry<T> {
         coin: &dyn CoinContext,
         input: T::SigningInput<'_>,
     ) -> SigningResult<RawOwned> {
-        let keypair = self.0.get_keypair(coin, &input).ok();
-        let public_key = keypair.map(|p| p.public().clone());
+        let public_key = self
+            .0
+            .get_keypair(coin, &input)
+            .ok()
+            .map(|p| p.public().clone());
         let unsigned_tx = self.0.build_transaction(coin, public_key, &input)?;
         let pre_image = unsigned_tx.encode_payload()?;
         Ok(RawOwned(pre_image))
diff --git a/rust/frameworks/tw_substrate/src/lib.rs b/rust/frameworks/tw_substrate/src/lib.rs
index 93bd0f2fe24..c8f227f9fe9 100644
--- a/rust/frameworks/tw_substrate/src/lib.rs
+++ b/rust/frameworks/tw_substrate/src/lib.rs
@@ -23,7 +23,6 @@ pub enum EncodeError {
     InvalidCallIndex,
     InvalidAddress,
     InvalidValue,
-    MissingPrivateKey,
 }
 
 impl From<EncodeError> for SigningError {