diff --git a/crates/l2/contracts/src/l1/OnChainProposer.sol b/crates/l2/contracts/src/l1/OnChainProposer.sol
index 05adb0c5d0..ae5de121f3 100644
--- a/crates/l2/contracts/src/l1/OnChainProposer.sol
+++ b/crates/l2/contracts/src/l1/OnChainProposer.sol
@@ -169,7 +169,10 @@ contract OnChainProposer is IOnChainProposer, ReentrancyGuard {
         uint256 blockNumber,
         bytes calldata blockProof,
         bytes32 imageId,
-        bytes32 journalDigest
+        bytes32 journalDigest,
+        bytes32 programVKey,
+        bytes calldata publicValues,
+        bytes calldata proofBytes
     ) external override onlySequencer {
         require(
             blockNumber == lastVerifiedBlock + 1,
@@ -191,11 +194,6 @@ contract OnChainProposer is IOnChainProposer, ReentrancyGuard {
         }
 
         if (SP1VERIFIER != DEV_MODE) {
-            // TODO: remove
-            // used as placeholders
-            bytes32 programVKey = bytes32(0);
-            bytes memory publicValues;
-            bytes memory proofBytes;
             // If the verification fails, it will revert.
             ISP1Verifier(SP1VERIFIER).verifyProof(
                 programVKey,
diff --git a/crates/l2/contracts/src/l1/interfaces/IOnChainProposer.sol b/crates/l2/contracts/src/l1/interfaces/IOnChainProposer.sol
index 14006d1fb4..e641ed5f4a 100644
--- a/crates/l2/contracts/src/l1/interfaces/IOnChainProposer.sol
+++ b/crates/l2/contracts/src/l1/interfaces/IOnChainProposer.sol
@@ -55,10 +55,17 @@ interface IOnChainProposer {
     /// @param blockProof is the proof of the block to be verified.
     /// @param imageId Digest of the zkVM imageid.
     /// @param journalDigest Digest of the public_inputs aka journal
+    /// ----------------------------------------------------------------------
+    /// @param programVKey Public verifying key
+    /// @param publicValues Values used to perform the execution
+    /// @param proofBytes Groth16 proof
     function verify(
         uint256 blockNumber,
         bytes calldata blockProof,
         bytes32 imageId,
-        bytes32 journalDigest
+        bytes32 journalDigest,
+        bytes32 programVKey,
+        bytes calldata publicValues,
+        bytes calldata proofBytes
     ) external;
 }