diff --git a/pkgs/native_toolchain_c/test/helpers.dart b/pkgs/native_toolchain_c/test/helpers.dart
index c1e7b3721..4baa41276 100644
--- a/pkgs/native_toolchain_c/test/helpers.dart
+++ b/pkgs/native_toolchain_c/test/helpers.dart
@@ -7,7 +7,6 @@ import 'dart:ffi';
 import 'dart:io';
 
 import 'package:logging/logging.dart';
-import 'package:native_assets_cli/native_assets_cli_internal.dart' as internal;
 import 'package:native_toolchain_c/src/native_toolchain/apple_clang.dart';
 import 'package:native_toolchain_c/src/utils/run_process.dart';
 import 'package:test/test.dart';
@@ -123,36 +122,29 @@ String unparseKey(String key) => key.replaceAll('.', '__').toUpperCase();
 /// Archiver provided by the environment.
 ///
 /// Provided on Dart CI.
-final Uri? ar = Platform
-    .environment[unparseKey(internal.CCompilerConfig.arConfigKeyFull)]
-    ?.asFileUri();
+final Uri? ar = Platform.environment[unparseKey('c_compiler.ar')]?.asFileUri();
 
 /// Compiler provided by the environment.
 ///
 /// Provided on Dart CI.
-final Uri? cc = Platform
-    .environment[unparseKey(internal.CCompilerConfig.ccConfigKeyFull)]
-    ?.asFileUri();
+final Uri? cc = Platform.environment[unparseKey('c_compiler.cc')]?.asFileUri();
 
 /// Linker provided by the environment.
 ///
 /// Provided on Dart CI.
-final Uri? ld = Platform
-    .environment[unparseKey(internal.CCompilerConfig.ldConfigKeyFull)]
-    ?.asFileUri();
+final Uri? ld = Platform.environment[unparseKey('c_compiler.ld')]?.asFileUri();
 
 /// Path to script that sets environment variables for [cc], [ld], and [ar].
 ///
 /// Provided on Dart CI.
-final Uri? envScript = Platform
-    .environment[unparseKey(internal.CCompilerConfig.envScriptConfigKeyFull)]
-    ?.asFileUri();
+final Uri? envScript =
+    Platform.environment[unparseKey('c_compiler.env_script')]?.asFileUri();
 
 /// Arguments for [envScript] provided by environment.
 ///
 /// Provided on Dart CI.
-final List<String>? envScriptArgs = Platform.environment[
-        unparseKey(internal.CCompilerConfig.envScriptArgsConfigKeyFull)]
+final List<String>? envScriptArgs = Platform
+    .environment[unparseKey('c_compiler.env_script_arguments')]
     ?.split(' ');
 
 extension on String {