diff --git a/qt-models/diveplotdatamodel.cpp b/qt-models/diveplotdatamodel.cpp
index 1110f19df..7a7ab195f 100644
--- a/qt-models/diveplotdatamodel.cpp
+++ b/qt-models/diveplotdatamodel.cpp
@@ -14,6 +14,7 @@ DivePlotDataModel::DivePlotDataModel(QObject *parent) :
 
 int DivePlotDataModel::columnCount(const QModelIndex &parent) const
 {
+	Q_UNUSED(parent);
 	return COLUMNS;
 }
 
@@ -96,6 +97,7 @@ const plot_info &DivePlotDataModel::data() const
 
 int DivePlotDataModel::rowCount(const QModelIndex &parent) const
 {
+	Q_UNUSED(parent);
 	return pInfo.nr;
 }