diff --git a/tests/auto/corelib/io/qprocess/tst_qprocess.cpp b/tests/auto/corelib/io/qprocess/tst_qprocess.cpp
index a2b3dfc154..08ab2106c3 100644
--- a/tests/auto/corelib/io/qprocess/tst_qprocess.cpp
+++ b/tests/auto/corelib/io/qprocess/tst_qprocess.cpp
@@ -355,9 +355,7 @@ void tst_QProcess::readFromProcess()
 {
     QProcess *process = qobject_cast<QProcess *>(sender());
     QVERIFY(process);
-    int lines = 0;
     while (process->canReadLine()) {
-        ++lines;
         process->readLine();
     }
 }