diff --git a/rust/helpers/uaccess.c b/rust/helpers/uaccess.c
index d9625b9ee046..aff22f16ab38 100644
--- a/rust/helpers/uaccess.c
+++ b/rust/helpers/uaccess.c
@@ -20,7 +20,9 @@ unsigned long rust_helper__copy_from_user(void *to, const void __user *from, uns
 {
 	return _inline_copy_from_user(to, from, n);
 }
+#endif
 
+#ifdef INLINE_COPY_TO_USER
 __rust_helper
 unsigned long rust_helper__copy_to_user(void __user *to, const void *from, unsigned long n)
 {