remove some unneeded imports

4 files changed, 0 insertions, 6 deletions

diff --git a/library/std/src/sys/sgx/abi/usercalls/alloc.rs b/library/std/src/sys/sgx/abi/usercalls/alloc.rs
index 0d934318c22..01505e94487 100644
--- a/library/std/src/sys/sgx/abi/usercalls/alloc.rs
+++ b/library/std/src/sys/sgx/abi/usercalls/alloc.rs
@@ -3,7 +3,6 @@
 use crate::arch::asm;
 use crate::cell::UnsafeCell;
 use crate::cmp;
-use crate::convert::TryInto;
 use crate::mem;
 use crate::ops::{CoerceUnsized, Deref, DerefMut, Index, IndexMut};
 use crate::ptr::{self, NonNull};
diff --git a/library/std/src/sys/unix/futex.rs b/library/std/src/sys/unix/futex.rs
index 8d5b540212a..d310be6c7a1 100644
--- a/library/std/src/sys/unix/futex.rs
+++ b/library/std/src/sys/unix/futex.rs
@@ -273,8 +273,6 @@ pub mod zircon {
 
 #[cfg(target_os = "fuchsia")]
 pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option<Duration>) -> bool {
-    use crate::convert::TryFrom;
-
     // Sleep forever if the timeout is longer than fits in a i64.
     let deadline = timeout
         .and_then(|d| {
diff --git a/library/std/src/sys/unix/os.rs b/library/std/src/sys/unix/os.rs
index 1c44058aff7..a345af76fa2 100644
--- a/library/std/src/sys/unix/os.rs
+++ b/library/std/src/sys/unix/os.rs
@@ -7,7 +7,6 @@ mod tests;
 
 use crate::os::unix::prelude::*;
 
-use crate::convert::TryFrom;
 use crate::error::Error as StdError;
 use crate::ffi::{CStr, CString, OsStr, OsString};
 use crate::fmt;
diff --git a/library/std/src/sys/unix/process/process_fuchsia.rs b/library/std/src/sys/unix/process/process_fuchsia.rs
index d4c7e58b34d..e45c380a0bb 100644
--- a/library/std/src/sys/unix/process/process_fuchsia.rs
+++ b/library/std/src/sys/unix/process/process_fuchsia.rs
@@ -166,7 +166,6 @@ impl Process {
     }
 
     pub fn wait(&mut self) -> io::Result<ExitStatus> {
-        use crate::default::Default;
         use crate::sys::process::zircon::*;
 
         let mut proc_info: zx_info_process_t = Default::default();
@@ -199,7 +198,6 @@ impl Process {
     }
 
     pub fn try_wait(&mut self) -> io::Result<Option<ExitStatus>> {
-        use crate::default::Default;
         use crate::sys::process::zircon::*;
 
         let mut proc_info: zx_info_process_t = Default::default();