Cleanup dox mess
diff --git a/src/unix/bsd/netbsdlike/openbsdlike/openbsd/x86_64.rs b/src/unix/bsd/netbsdlike/openbsdlike/openbsd/x86_64.rs
index b2025a8..7daa9d8 100644
--- a/src/unix/bsd/netbsdlike/openbsdlike/openbsd/x86_64.rs
+++ b/src/unix/bsd/netbsdlike/openbsdlike/openbsd/x86_64.rs
@@ -1,5 +1,3 @@
-use dox::mem;
-
 use PT_FIRSTMACH;
 
 pub type c_long = i64;
@@ -10,7 +8,7 @@
 cfg_if! {
     if #[cfg(libc_const_size_of)] {
         #[doc(hidden)]
-        pub const _ALIGNBYTES: usize = mem::size_of::<::c_long>() - 1;
+        pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_long>() - 1;
     } else {
         #[doc(hidden)]
         pub const _ALIGNBYTES: usize = 8 - 1;