diff --git a/Cargo.toml b/Cargo.toml
index 59b1b607b..aeb85816b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,4 +22,4 @@ codegen-units = 1
 zcash_encoding = { path = "components/zcash_encoding" }
 zcash_note_encryption = { path = "components/zcash_note_encryption" }
 incrementalmerkletree = { git = "https://github.com/zcash/incrementalmerkletree.git", rev = "62f0c9039b0bee94c16c40c272e19c5922290664" }
-orchard = { git = "https://github.com/zcash/orchard.git", rev = "11b6858ac81a79675de205980155a49d6f92b71e" }
+orchard = { git = "https://github.com/zcash/orchard.git", rev = "2a4f27c937fbcbdb66163e1bb426ce1fcb5bc4f8" }
diff --git a/components/zcash_note_encryption/src/lib.rs b/components/zcash_note_encryption/src/lib.rs
index 75fcb2fc4..6ad10c987 100644
--- a/components/zcash_note_encryption/src/lib.rs
+++ b/components/zcash_note_encryption/src/lib.rs
@@ -651,8 +651,7 @@ pub fn try_output_recovery_with_ock<D: Domain, Output: ShieldedOutput<D, ENC_CIP
         )
         .ok()?;
 
-    let (note, to) =
-        domain.parse_note_plaintext_without_memo_ovk(&pk_d, &plaintext)?;
+    let (note, to) = domain.parse_note_plaintext_without_memo_ovk(&pk_d, &plaintext)?;
     let memo = domain.extract_memo(&plaintext);
 
     // ZIP 212: Check that the esk provided to this function is consistent with the esk we
diff --git a/zcash_primitives/src/sapling/note_encryption.rs b/zcash_primitives/src/sapling/note_encryption.rs
index 1bb81af6f..a12dd4404 100644
--- a/zcash_primitives/src/sapling/note_encryption.rs
+++ b/zcash_primitives/src/sapling/note_encryption.rs
@@ -257,8 +257,6 @@ impl<P: consensus::Parameters> Domain for SaplingDomain<P> {
     fn parse_note_plaintext_without_memo_ovk(
         &self,
         pk_d: &Self::DiversifiedTransmissionKey,
-        _esk: &Self::EphemeralSecretKey,
-        _ephemeral_key: &EphemeralKeyBytes,
         plaintext: &NotePlaintextBytes,
     ) -> Option<(Self::Note, Self::Recipient)> {
         sapling_parse_note_plaintext_without_memo(self, &plaintext.0, |diversifier| {