diff --git a/src/rstd.rs b/src/rstd.rs
index c17fbf4..b6cee40 100644
--- a/src/rstd.rs
+++ b/src/rstd.rs
@@ -4,6 +4,7 @@ pub mod atomic;
 pub mod cast;
 pub mod collections;
 pub mod fallible;
+pub mod inject;
 pub mod inlining;
 mod local_origin;
 pub mod nullable;
diff --git a/src/testing/inject.rs b/src/rstd/inject.rs
similarity index 100%
rename from src/testing/inject.rs
rename to src/rstd/inject.rs
diff --git a/src/testing.rs b/src/testing.rs
index b412cd6..193215d 100644
--- a/src/testing.rs
+++ b/src/testing.rs
@@ -1,5 +1,4 @@
 pub mod counted;
-pub mod inject;
 pub mod traced;
 
 use std::{error::Error, fmt::Display, rc::Rc};
diff --git a/src/testing/counted.rs b/src/testing/counted.rs
index ae0d93c..b941b57 100644
--- a/src/testing/counted.rs
+++ b/src/testing/counted.rs
@@ -2,8 +2,8 @@ use std::cmp::max;
 
 use crate::func::{context::*, *};
 use crate::rcore::*;
+use crate::rstd::inject::*;
 
-use super::inject::*;
 use super::*;
 
 pub struct TestContextCounted;