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-rw-r--r--library/std/src/os/unix/io/tests.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/library/std/src/os/unix/io/tests.rs b/library/std/src/os/unix/io/tests.rs
index 84d2a7a1a91..fc147730578 100644
--- a/library/std/src/os/unix/io/tests.rs
+++ b/library/std/src/os/unix/io/tests.rs
@@ -1,4 +1,3 @@
-use crate::mem::size_of;
 use crate::os::unix::io::RawFd;
 
 #[test]