diff --git a/lib/runtime-core/src/trampoline_x64.rs b/lib/runtime-core/src/trampoline_x64.rs
index ccff1cae1..1fe5d674b 100644
--- a/lib/runtime-core/src/trampoline_x64.rs
+++ b/lib/runtime-core/src/trampoline_x64.rs
@@ -484,7 +484,7 @@ mod tests {
                 }
             }
 
-            let expected = (0..=n as u64).fold(0u64, |a, b| a + b);
+            let expected = (0..=n as u64).sum();
             prev = Some((ptr, expected))
         }
     }
diff --git a/lib/runtime-core/src/typed_func.rs b/lib/runtime-core/src/typed_func.rs
index 50780955d..ec1f580b4 100644
--- a/lib/runtime-core/src/typed_func.rs
+++ b/lib/runtime-core/src/typed_func.rs
@@ -330,7 +330,7 @@ impl<'a> ErasedFunc<'a> {
                         Type::F32 => Value::F32(f32::from_bits(*args.offset(i as _) as u32)),
                         Type::F64 => Value::F64(f64::from_bits(*args.offset(i as _) as u64)),
                         Type::V128 => {
-                            panic!("enter_host_polymorphic: 128-bit types are not supported")
+                            todo!("enter_host_polymorphic: 128-bit types are not supported")
                         }
                     }
                 })