diff --git a/frc53_nft/src/lib.rs b/frc53_nft/src/lib.rs
index 455d4ae7..b0711889 100644
--- a/frc53_nft/src/lib.rs
+++ b/frc53_nft/src/lib.rs
@@ -590,13 +590,7 @@ mod test {
         {
             // mint no tokens
             let mut hook = nft
-                .mint(
-                    &ALICE,
-                    &ALICE,
-                    vec![String::new(); 0],
-                    RawBytes::default(),
-                    RawBytes::default(),
-                )
+                .mint(&ALICE, &ALICE, Vec::default(), RawBytes::default(), RawBytes::default())
                 .unwrap();
             let res = hook.call(&nft.runtime).unwrap();
             assert_eq!(res.token_ids, Vec::<TokenID>::default());
diff --git a/testing/integration/tests/common/mod.rs b/testing/integration/tests/common/mod.rs
index ea6ab204..d5b1e56c 100644
--- a/testing/integration/tests/common/mod.rs
+++ b/testing/integration/tests/common/mod.rs
@@ -1,3 +1,4 @@
+#![allow(dead_code)]
 use std::env;
 
 use cid::Cid;
@@ -84,7 +85,7 @@ impl<B: Blockstore, E: Externs> TestHelpers for Tester<B, E> {
             gas_limit: BLOCK_GAS_LIMIT,
             method_num,
             sequence: unsafe { SEQUENCE },
-            params: if let Some(params) = params { params } else { RawBytes::default() },
+            params: params.unwrap_or_default(),
             ..Message::default()
         };
         unsafe {
diff --git a/testing/integration/tests/frc46_tokens.rs b/testing/integration/tests/frc46_tokens.rs
index c4645828..1ea519ab 100644
--- a/testing/integration/tests/frc46_tokens.rs
+++ b/testing/integration/tests/frc46_tokens.rs
@@ -58,14 +58,14 @@ fn it_mints_tokens() {
 
     // Helper to simplify sending messages
     let mut sequence = 0u64;
-    let mut call_method = |from, to, method_num, params| {
+    let mut call_method = |from, to, method_num, params: Option<RawBytes>| {
         let message = Message {
             from,
             to,
             gas_limit: 99999999,
             method_num,
             sequence,
-            params: if let Some(params) = params { params } else { RawBytes::default() },
+            params: params.unwrap_or_default(),
             ..Message::default()
         };
         sequence += 1;