diff --git a/src/arch/x86_64/mod.rs b/src/arch/x86_64/mod.rs
index 738bf58..60f8d14 100644
--- a/src/arch/x86_64/mod.rs
+++ b/src/arch/x86_64/mod.rs
@@ -1,7 +1,6 @@
 mod asm;
 mod encode;
 mod reg;
-#[cfg(test)]
 mod test;
 
 use crate::{
@@ -13,6 +12,7 @@ use crate::{
 pub use asm::*;
 pub use encode::*;
 pub use reg::*;
+pub use test::bin::run as bin_test;
 
 pub struct X86_64;
 
diff --git a/src/backend/test.rs b/src/arch/x86_64/test/bin.rs
similarity index 98%
rename from src/backend/test.rs
rename to src/arch/x86_64/test/bin.rs
index f947655..8596c9d 100644
--- a/src/backend/test.rs
+++ b/src/arch/x86_64/test/bin.rs
@@ -1,11 +1,10 @@
-use std::{fs::OpenOptions, io::Write, os::unix::fs::OpenOptionsExt, process::Command};
-
 use crate::{
     arch::x86_64::*,
     backend::{Instr as BInstr, Program},
 };
+use std::{fs::OpenOptions, io::Write, os::unix::fs::OpenOptionsExt, process::Command};
 
-pub fn test_x86_64() {
+pub fn run() {
     let mut program = Program::<X86_64>::default();
     let text = b"Hello world!\n";
     let text_sym = program.ro_data(text);
diff --git a/src/arch/x86_64/test/mod.rs b/src/arch/x86_64/test/mod.rs
new file mode 100644
index 0000000..968b0ac
--- /dev/null
+++ b/src/arch/x86_64/test/mod.rs
@@ -0,0 +1,5 @@
+pub mod bin;
+#[cfg(test)]
+mod reg;
+#[cfg(test)]
+use super::*;
diff --git a/src/arch/x86_64/test.rs b/src/arch/x86_64/test/reg.rs
similarity index 100%
rename from src/arch/x86_64/test.rs
rename to src/arch/x86_64/test/reg.rs
diff --git a/src/backend/mod.rs b/src/backend/mod.rs
index a53c0fb..77eab1b 100644
--- a/src/backend/mod.rs
+++ b/src/backend/mod.rs
@@ -2,8 +2,6 @@ mod elf;
 
 mod ir;
 mod link;
-mod test;
 
 pub use ir::*;
 pub use link::*;
-pub use test::*;
diff --git a/src/main.rs b/src/main.rs
index 876df6e..b1fbde5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,7 +8,7 @@ mod parser;
 mod parser_ir;
 
 fn main() {
-    return crate::backend::test_x86_64();
+    return crate::arch::x86_64::bin_test();
     let mut args = std::env::args();
     let Some(path) = args.nth(1) else {
         println!("file expected");