diff --git a/ahcid/src/ahci/disk_ata.rs b/ahcid/src/ahci/disk_ata.rs
index 3d64c0e401..b401a9457e 100644
--- a/ahcid/src/ahci/disk_ata.rs
+++ b/ahcid/src/ahci/disk_ata.rs
@@ -8,18 +8,6 @@ use syscall::error::Result;
 use super::hba::{HbaPort, HbaCmdTable, HbaCmdHeader};
 use super::Disk;
 
-#[cfg(target_arch = "aarch64")]
-#[inline(always)]
-pub(crate) unsafe fn pause() { std::arch::aarch64::__yield(); }
-
-#[cfg(target_arch = "x86")]
-#[inline(always)]
-pub(crate) unsafe fn pause() { std::arch::x86::_mm_pause(); }
-
-#[cfg(target_arch = "x86_64")]
-#[inline(always)]
-pub(crate) unsafe fn pause() { std::arch::x86_64::_mm_pause(); }
-
 enum BufferKind<'a> {
     Read(&'a mut [u8]),
     Write(&'a [u8]),