diff --git a/tools/testing/dart/test_suite.dart b/tools/testing/dart/test_suite.dart
index a26f877688d..54abb58f65c 100644
--- a/tools/testing/dart/test_suite.dart
+++ b/tools/testing/dart/test_suite.dart
@@ -1587,9 +1587,8 @@ class TestUtils {
         args.add("--allow-mock-compilation");
       }
     }
-    // TODO(riocw): Unify our minification calling convention between dart2js
-    // and dart2dart.
-    if (compiler == "dart2js" && configuration["minified"]) {
+    if ((compiler == "dart2js" || compiler == "dart2dart") &&
+        configuration["minified"]) {
       args.add("--minify");
     }
     return args;