diff --git a/src/ld_so/dso.rs b/src/ld_so/dso.rs
index 1bb346c0bb..66b44ab2c7 100644
--- a/src/ld_so/dso.rs
+++ b/src/ld_so/dso.rs
@@ -2,6 +2,8 @@
 //! * <https://refspecs.linuxfoundation.org/elf/elf.pdf>
 //! * <https://www.akkadia.org/drepper/dsohowto.pdf>
 
+#[allow(unused_imports)]
+// i586, riscv64gc: tcb::Tcb, mem::offset_of
 use object::{
     NativeEndian, Object, StringTable, SymbolIndex, elf,
     read::elf::{
diff --git a/src/ld_so/linker.rs b/src/ld_so/linker.rs
index 603c4abf23..7f3bbc36b7 100644
--- a/src/ld_so/linker.rs
+++ b/src/ld_so/linker.rs
@@ -1,3 +1,5 @@
+#[allow(unused_imports)]
+// i586 unused: object::NativeEndian, read::elf::Rela, ld_so::dso::resolve_sym, types::c_uint, dso::Rela, Sym
 use alloc::{
     collections::BTreeMap,
     rc::Rc,
diff --git a/src/platform/redox/ptrace.rs b/src/platform/redox/ptrace.rs
index e5efbf1b6a..6b7e973dd9 100644
--- a/src/platform/redox/ptrace.rs
+++ b/src/platform/redox/ptrace.rs
@@ -4,9 +4,11 @@
 //! we are NOT going to bend our API for the sake of
 //! compatibility. So, this module will be a hellhole.
 
+#[allow(unused_imports)]
+// i586, riscv64gc, aarch64: PalSignal, signal, sys_ptrace, core::mem, syscall, Pal, io::prelude
 use super::super::{ERRNO, Pal, PalPtrace, PalSignal, Sys, types::*};
 #[cfg(target_arch = "aarch64")]
-use crate::header::arch_aarch64_user::user_regs_struct;
+use crate::header::arch_aarch64_user::user_regs_struct; // unused
 #[cfg(target_arch = "x86_64")]
 use crate::header::arch_x64_user::user_regs_struct;
 use crate::{