diff --git a/zcash_client_backend/src/data_api.rs b/zcash_client_backend/src/data_api.rs
index a8e83b6ee..b20ced7ae 100644
--- a/zcash_client_backend/src/data_api.rs
+++ b/zcash_client_backend/src/data_api.rs
@@ -44,7 +44,7 @@ pub mod wallet;
 
 /// The height of subtree roots in the Sapling note commitment tree.
 ///
-/// This conforms to the structure of subtree data returned by from
+/// This conforms to the structure of subtree data returned by
 /// `lightwalletd` when using the `GetSubtreeRoots` GRPC call.
 pub const SAPLING_SHARD_HEIGHT: u8 = sapling::NOTE_COMMITMENT_TREE_DEPTH / 2;
 
diff --git a/zcash_primitives/CHANGELOG.md b/zcash_primitives/CHANGELOG.md
index 2c404d64f..331339a83 100644
--- a/zcash_primitives/CHANGELOG.md
+++ b/zcash_primitives/CHANGELOG.md
@@ -41,8 +41,6 @@ and this library adheres to Rust's notion of
     `orchard::builder::InProgress<orchard::builder::Unproven, orchard::builder::Unauthorized>`
     instead of `zcash_primitives::transaction::components::orchard::Unauthorized`
 - `zcash_primitives::consensus::NetworkUpgrade` now implements `PartialEq`, `Eq`
-- `zcash_primitives::legacy::OpCode` now defines a complete set of transparent opcodes,
-  instead of just a minimal set.
 - `zcash_primitives::legacy::Script` now has a custom `Debug` implementation that 
   renders script details in a much more legible fashion.
 - `zcash_primitives::sapling::redjubjub::Signature` now has a custom `Debug`