diff --git a/tests/testapk/src/native/testbinary.rs b/tests/testapk/src/native/testbinary.rs
index 2502113..a84b955 100644
--- a/tests/testapk/src/native/testbinary.rs
+++ b/tests/testapk/src/native/testbinary.rs
@@ -24,7 +24,6 @@
     },
     binder::{BinderFeatures, ExceptionCode, Interface, Result as BinderResult, Status, Strong},
 };
-use cstr::cstr;
 use log::{error, info};
 use std::process::exit;
 use std::string::String;
@@ -130,7 +129,7 @@
 }
 
 fn unimplemented<T>() -> BinderResult<T> {
-    let message = cstr!("Got a call to an unimplemented ITestService method in testbinary.rs");
+    let message = c"Got a call to an unimplemented ITestService method in testbinary.rs";
     error!("{message:?}");
     Err(Status::new_exception(ExceptionCode::UNSUPPORTED_OPERATION, Some(message)))
 }