1 files changed, 2 insertions, 6 deletions
diff --git a/msg_socket2/tests/round_trip.rs b/msg_socket2/tests/round_trip.rs
index 08e1aff..1c6b5a3 100644
--- a/msg_socket2/tests/round_trip.rs
+++ b/msg_socket2/tests/round_trip.rs
@@ -2,7 +2,6 @@ use std::os::unix::prelude::*;
 
 use std::fmt::{self, Formatter};
 use std::marker::PhantomData;
-use std::mem::size_of;
 
 use msg_socket2::*;
 use serde::de::*;
@@ -23,9 +22,7 @@ impl SerializeWithFds for Test {
     where
         Ser: Serializer,
     {
-        let mut state = serializer
-            .serializer
-            .serialize_struct("Test", size_of::<Test>())?;
+        let mut state = serializer.serializer.serialize_struct("Test", 1)?;
         serializer.fds.push(self.fd);
         state.skip_field("fd")?;
 
@@ -33,8 +30,7 @@ impl SerializeWithFds for Test {
 
         impl<'a> Serialize for SerializableInner<'a> {
             fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
-                let mut state = serializer
-                    .serialize_tuple_struct("Inner", size_of::<Inner>() - size_of::<RawFd>() * 1)?;
+                let mut state = serializer.serialize_tuple_struct("Inner", 1)?;
                 state.serialize_field(&(self.0).1)?;
                 state.end()
             }