diff --git a/noir-projects/noir-protocol-circuits/crates/rollup-lib/src/root/root_rollup_inputs.nr b/noir-projects/noir-protocol-circuits/crates/rollup-lib/src/root/root_rollup_inputs.nr
index 17a655ed282..05bf6833fb5 100644
--- a/noir-projects/noir-protocol-circuits/crates/rollup-lib/src/root/root_rollup_inputs.nr
+++ b/noir-projects/noir-protocol-circuits/crates/rollup-lib/src/root/root_rollup_inputs.nr
@@ -44,7 +44,7 @@ impl RootRollupInputs {
         components::assert_equal_constants(left, right);
         components::assert_prev_rollups_follow_on_from_each_other(left, right);
 
-        // Insert subtree into the l1 to l2 data tree
+        // Insert subtree into the l1 to l2 message tree
         let empty_l1_to_l2_subtree_root = calculate_empty_tree_root(L1_TO_L2_MSG_SUBTREE_HEIGHT);
         let new_l1_to_l2_message_tree_snapshot = append_only_tree::insert_subtree_to_snapshot_tree(
             self.start_l1_to_l2_message_tree_snapshot,
diff --git a/yarn-project/aztec-node/src/aztec-node/server.ts b/yarn-project/aztec-node/src/aztec-node/server.ts
index 8ba10d55298..6900691cb75 100644
--- a/yarn-project/aztec-node/src/aztec-node/server.ts
+++ b/yarn-project/aztec-node/src/aztec-node/server.ts
@@ -364,7 +364,7 @@ export class AztecNodeService implements AztecNode {
   }
 
   /**
-   * Returns the index and a sibling path for a leaf in the committed l1 to l2 data tree.
+   * Returns the index and a sibling path for a leaf in the committed l1 to l2 message tree.
    * @param blockNumber - The block number at which to get the data.
    * @param l1ToL2Message - The l1ToL2Message to get the index / sibling path for.
    * @throws If the message is not found.
diff --git a/yarn-project/circuit-types/src/interfaces/aztec-node.ts b/yarn-project/circuit-types/src/interfaces/aztec-node.ts
index 2d25ab3a0b8..789517cd6ac 100644
--- a/yarn-project/circuit-types/src/interfaces/aztec-node.ts
+++ b/yarn-project/circuit-types/src/interfaces/aztec-node.ts
@@ -59,7 +59,7 @@ export interface AztecNode {
   ): Promise<SiblingPath<typeof NOTE_HASH_TREE_HEIGHT>>;
 
   /**
-   * Returns the index and a sibling path for a leaf in the committed l1 to l2 data tree.
+   * Returns the index and a sibling path for a leaf in the committed l1 to l2 message tree.
    * @param blockNumber - The block number at which to get the data.
    * @param l1ToL2Message - The l1ToL2Message to get the index / sibling path for.
    * @throws If the message is not found.
diff --git a/yarn-project/circuit-types/src/messaging/l1_to_l2_message.ts b/yarn-project/circuit-types/src/messaging/l1_to_l2_message.ts
index 551753c8061..bb88058bf63 100644
--- a/yarn-project/circuit-types/src/messaging/l1_to_l2_message.ts
+++ b/yarn-project/circuit-types/src/messaging/l1_to_l2_message.ts
@@ -26,10 +26,6 @@ export class L1ToL2Message {
      * The hash of the spending secret.
      */
     public readonly secretHash: Fr,
-    /**
-     * The entry key for the message - optional.
-     */
-    public readonly entryKey?: Fr,
   ) {}
 
   /**
@@ -70,7 +66,7 @@ export class L1ToL2Message {
     return new L1ToL2Message(L1Actor.empty(), L2Actor.empty(), Fr.ZERO, Fr.ZERO);
   }
 
-  static random(entryKey?: Fr): L1ToL2Message {
-    return new L1ToL2Message(L1Actor.random(), L2Actor.random(), Fr.random(), Fr.random(), entryKey);
+  static random(): L1ToL2Message {
+    return new L1ToL2Message(L1Actor.random(), L2Actor.random(), Fr.random(), Fr.random());
   }
 }