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-rw-r--r--library/std/src/os/windows/io/tests.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/library/std/src/os/windows/io/tests.rs b/library/std/src/os/windows/io/tests.rs
index 41734e52e8c..029b6f5cd3d 100644
--- a/library/std/src/os/windows/io/tests.rs
+++ b/library/std/src/os/windows/io/tests.rs
@@ -1,6 +1,5 @@
 #[test]
 fn test_niche_optimizations_socket() {
-    use crate::mem::size_of;
     use crate::os::windows::io::{
         BorrowedSocket, FromRawSocket, IntoRawSocket, OwnedSocket, RawSocket,
     };