diff --git a/changelog.d/9351-unused-c-int.md b/changelog.d/9351-unused-c-int.md
new file mode 100644
index 0000000000..3828208339
--- /dev/null
+++ b/changelog.d/9351-unused-c-int.md
@@ -0,0 +1,3 @@
+The `warnings` gate is green again. Five test modules in `perry-runtime` still
+imported `std::os::raw::c_int` after the code that used it was removed, which
+fails a `-D warnings` build.
diff --git a/crates/perry-runtime/src/native_abi.rs b/crates/perry-runtime/src/native_abi.rs
index 3b197028ed..7f70874589 100644
--- a/crates/perry-runtime/src/native_abi.rs
+++ b/crates/perry-runtime/src/native_abi.rs
@@ -475,7 +475,6 @@ pub extern "C" fn js_native_abi_check_pod_object(value: f64) -> i64 {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use std::os::raw::c_int;
 
     fn catch_runtime_throw(f: impl FnOnce()) -> bool {
         crate::exception::catch_js_throw(f).is_err()
diff --git a/crates/perry-runtime/src/native_arena.rs b/crates/perry-runtime/src/native_arena.rs
index d0f12e585e..567b719a50 100644
--- a/crates/perry-runtime/src/native_arena.rs
+++ b/crates/perry-runtime/src/native_arena.rs
@@ -472,7 +472,6 @@ pub(crate) unsafe fn finalize_native_pod_view_for_gc(view: *mut NativePodViewHea
 #[cfg(test)]
 mod tests {
     use super::*;
-    use std::os::raw::c_int;
 
     fn boxed_ptr(ptr: *const u8) -> f64 {
         f64::from_bits(crate::value::JSValue::pointer(ptr).bits())
diff --git a/crates/perry-runtime/src/native_handle.rs b/crates/perry-runtime/src/native_handle.rs
index 1d0d31e887..8d4d0901ff 100644
--- a/crates/perry-runtime/src/native_handle.rs
+++ b/crates/perry-runtime/src/native_handle.rs
@@ -408,7 +408,6 @@ pub(crate) unsafe fn finalize_native_handle_for_gc(handle: *mut NativeHandleHead
 #[cfg(test)]
 mod tests {
     use super::*;
-    use std::os::raw::c_int;
 
     /// The teardown-diagnostics gate must block every thread except the
     /// recorded owner — the unrecorded arm waving workers through is exactly
diff --git a/crates/perry-runtime/src/node_stream_tests.rs b/crates/perry-runtime/src/node_stream_tests.rs
index 06c756bbad..19aa3f717a 100644
--- a/crates/perry-runtime/src/node_stream_tests.rs
+++ b/crates/perry-runtime/src/node_stream_tests.rs
@@ -3,7 +3,6 @@
 
 use super::*;
 use std::cell::RefCell;
-use std::os::raw::c_int;
 
 thread_local! {
     pub(super) static WRITE_CAPTURED: RefCell<Vec<Vec<u8>>> = const { RefCell::new(Vec::new()) };
diff --git a/crates/perry-runtime/src/object/tests.rs b/crates/perry-runtime/src/object/tests.rs
index 37c23d7850..ec8b14aa3d 100644
--- a/crates/perry-runtime/src/object/tests.rs
+++ b/crates/perry-runtime/src/object/tests.rs
@@ -2,7 +2,6 @@
 #![cfg(test)]
 
 use super::*;
-use std::os::raw::c_int;
 
 #[test]
 fn call_method_depth_drop_is_idempotent_after_exception_restore() {