diff --git a/tests/benchmarks/corelib/text/qbytearray/tst_bench_qbytearray.cpp b/tests/benchmarks/corelib/text/qbytearray/tst_bench_qbytearray.cpp
index 01ee46c53ed..a98503210c7 100644
--- a/tests/benchmarks/corelib/text/qbytearray/tst_bench_qbytearray.cpp
+++ b/tests/benchmarks/corelib/text/qbytearray/tst_bench_qbytearray.cpp
@@ -91,7 +91,7 @@ void tst_QByteArray::append()
     }
 }
 
-static QByteArray decNext(QByteArray &&big)
+static QByteArray decNext(QByteArray big)
 {
     // Increments a decimal digit-string (ignoring sign, so decrements if
     // negative); only intended for taking a boundary value just out of range,