diff --git a/src/plugins/qt4projectmanager/qt4target.cpp b/src/plugins/qt4projectmanager/qt4target.cpp
index f435d999463..dea8f44f061 100644
--- a/src/plugins/qt4projectmanager/qt4target.cpp
+++ b/src/plugins/qt4projectmanager/qt4target.cpp
@@ -118,6 +118,7 @@ QString Qt4BaseTargetFactory::msgBuildConfigurationName(const BuildConfiguration
 
 QList<ProjectExplorer::Task> Qt4BaseTargetFactory::reportIssues(const QString &proFile)
 {
+    Q_UNUSED(proFile);
     return QList<ProjectExplorer::Task>();
 }