diff --git a/virtio-devices/src/vsock/device.rs b/virtio-devices/src/vsock/device.rs
index 9350e6b03..40affae89 100644
--- a/virtio-devices/src/vsock/device.rs
+++ b/virtio-devices/src/vsock/device.rs
@@ -782,6 +782,7 @@ mod tests {
             let mut epoll_helper =
                 EpollHelper::new(&ctx.handler.kill_evt, &ctx.handler.pause_evt).unwrap();
 
+            assert_eq!(ctx.guest_rxvq.used.idx.get(), 0);
             assert!(
                 ctx.handler.handle_event(&mut epoll_helper, &event).is_err(),
                 "handle_event() should have failed"
@@ -802,6 +803,7 @@ mod tests {
             let mut epoll_helper =
                 EpollHelper::new(&ctx.handler.kill_evt, &ctx.handler.pause_evt).unwrap();
 
+            assert_eq!(ctx.guest_evvq.used.idx.get(), 0);
             assert!(
                 ctx.handler.handle_event(&mut epoll_helper, &event).is_err(),
                 "handle_event() should have failed"
diff --git a/virtio-devices/src/vsock/mod.rs b/virtio-devices/src/vsock/mod.rs
index cc77a2fd3..1b2a473e3 100644
--- a/virtio-devices/src/vsock/mod.rs
+++ b/virtio-devices/src/vsock/mod.rs
@@ -256,7 +256,6 @@ mod tests {
     pub struct TestContext {
         pub cid: u64,
         pub mem: GuestMemoryMmap,
-        pub mem_size: usize,
         pub device: Vsock<TestBackend>,
     }
 
@@ -267,7 +266,6 @@ mod tests {
             Self {
                 cid: CID as u64,
                 mem: GuestMemoryMmap::from_ranges(&[(GuestAddress(0), MEM_SIZE)]).unwrap(),
-                mem_size: MEM_SIZE,
                 device: Vsock::new(
                     String::from("vsock"),
                     CID,