diff --git a/library/std/src/sys/pal/windows/c.rs b/library/std/src/sys/pal/windows/c.rs
index c85cc62fde7..315bffa220e 100644
--- a/library/std/src/sys/pal/windows/c.rs
+++ b/library/std/src/sys/pal/windows/c.rs
@@ -8,7 +8,7 @@
 use crate::ffi::CStr;
 use crate::mem;
 pub use crate::os::raw::c_int;
-use crate::os::raw::{c_char, c_long, c_uint, c_ulong, c_ushort, c_void};
+use crate::os::raw::{c_char, c_uint, c_ulong, c_ushort, c_void};
 use crate::os::windows::io::{AsRawHandle, BorrowedHandle};
 use crate::ptr;
 
@@ -18,8 +18,6 @@ mod windows_sys;
 pub use windows_sys::*;
 
 pub type DWORD = c_ulong;
-#[cfg_attr(target_vendor = "uwp", allow(unused))]
-pub type LONG = c_long;
 pub type UINT = c_uint;
 pub type WCHAR = u16;
 pub type USHORT = c_ushort;
diff --git a/library/std/src/sys/pal/windows/stack_overflow.rs b/library/std/src/sys/pal/windows/stack_overflow.rs
index f93f31026f8..59feb0c601a 100644
--- a/library/std/src/sys/pal/windows/stack_overflow.rs
+++ b/library/std/src/sys/pal/windows/stack_overflow.rs
@@ -11,7 +11,7 @@ pub unsafe fn reserve_stack() {
     debug_assert_ne!(result, 0, "failed to reserve stack space for exception handling");
 }
 
-unsafe extern "system" fn vectored_handler(ExceptionInfo: *mut c::EXCEPTION_POINTERS) -> c::LONG {
+unsafe extern "system" fn vectored_handler(ExceptionInfo: *mut c::EXCEPTION_POINTERS) -> i32 {
     unsafe {
         let rec = &(*(*ExceptionInfo).ExceptionRecord);
         let code = rec.ExceptionCode;