diff --git a/cmd/soroban-rpc/lib/preflight.h b/cmd/soroban-rpc/lib/preflight.h
index 81db0c54..669eb4cf 100644
--- a/cmd/soroban-rpc/lib/preflight.h
+++ b/cmd/soroban-rpc/lib/preflight.h
@@ -43,7 +43,6 @@ typedef struct preflight_result_t {
 } preflight_result_t;
 
 preflight_result_t *preflight_invoke_hf_op(uintptr_t handle, // Go Handle to forward to SnapshotSourceGet
-                                           uint64_t bucket_list_size, // Bucket list size of current ledger
                                            const xdr_t invoke_hf_op, // InvokeHostFunctionOp XDR
                                            const xdr_t source_account, // AccountId XDR
                                            const ledger_info_t ledger_info,
@@ -51,10 +50,9 @@ preflight_result_t *preflight_invoke_hf_op(uintptr_t handle, // Go Handle to for
                                            bool enable_debug);
 
 preflight_result_t *preflight_footprint_ttl_op(uintptr_t   handle, // Go Handle to forward to SnapshotSourceGet
-                                               uint64_t bucket_list_size, // Bucket list size of current ledger
                                                const xdr_t op_body, // OperationBody XDR
                                                const xdr_t footprint, // LedgerFootprint XDR
-                                               uint32_t    current_ledger_seq); // Current ledger sequence
+                                               const ledger_info_t ledger_info);
 
 
 // LedgerKey XDR to LedgerEntry XDR