diff --git a/containments/desktop/package/contents/ui/ConfigFilter.qml b/containments/desktop/package/contents/ui/ConfigFilter.qml
--- a/containments/desktop/package/contents/ui/ConfigFilter.qml
+++ b/containments/desktop/package/contents/ui/ConfigFilter.qml
@@ -103,12 +103,7 @@
                             Layout.maximumWidth: 18 // FIXME HACK: Use actual radio button width.
 
                             checked: model.checked
-
-                            onCheckedChanged: {
-                                if (checked != model.checked) {
-                                    mimeTypesModel.setRowChecked(model.index, checked);
-                                }
-                            }
+                            onCheckedChanged: model.checked = checked
                         }
 
                         PlasmaCore.IconItem {
diff --git a/containments/desktop/package/contents/ui/FolderItemPreviewPluginsDialog.qml b/containments/desktop/package/contents/ui/FolderItemPreviewPluginsDialog.qml
--- a/containments/desktop/package/contents/ui/FolderItemPreviewPluginsDialog.qml
+++ b/containments/desktop/package/contents/ui/FolderItemPreviewPluginsDialog.qml
@@ -62,12 +62,7 @@
                     text: model.display
 
                     checked: model.checked
-
-                    onCheckedChanged: {
-                        if (checked != model.checked) {
-                            previewPluginsModel.setRowChecked(model.index, checked);
-                        }
-                    }
+                    onCheckedChanged: model.checked = checked
                 }
             }
         }
diff --git a/containments/desktop/plugins/folder/mimetypesmodel.h b/containments/desktop/plugins/folder/mimetypesmodel.h
--- a/containments/desktop/plugins/folder/mimetypesmodel.h
+++ b/containments/desktop/plugins/folder/mimetypesmodel.h
@@ -38,9 +38,9 @@
 
         QHash<int, QByteArray> roleNames() const override;
         QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
+        bool setData(const QModelIndex &index, const QVariant &value, int role) Q_DECL_OVERRIDE;
 
         Q_INVOKABLE void checkAll();
-        Q_INVOKABLE void setRowChecked(int row, bool checked);
 
         int rowCount(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE { Q_UNUSED(parent) return m_mimeTypesList.size(); }
 
@@ -68,7 +68,6 @@
         FilterableMimeTypesModel(QObject *parent = 0);
         ~FilterableMimeTypesModel();
 
-        Q_INVOKABLE void setRowChecked(int row, bool checked);
         Q_INVOKABLE void checkAll();
 
         QStringList checkedTypes() const;
diff --git a/containments/desktop/plugins/folder/mimetypesmodel.cpp b/containments/desktop/plugins/folder/mimetypesmodel.cpp
--- a/containments/desktop/plugins/folder/mimetypesmodel.cpp
+++ b/containments/desktop/plugins/folder/mimetypesmodel.cpp
@@ -76,15 +76,23 @@
     return QVariant();
 }
 
-void MimeTypesModel::setRowChecked(int row, bool checked)
+bool MimeTypesModel::setData(const QModelIndex &index, const QVariant &value, int role)
 {
-    checkedRows[row] = checked;
-
-    QModelIndex idx = index(row, 0);
+    if (index.row() < 0 || index.row() >= m_mimeTypesList.size()) {
+        return false;
+    }
 
-    emit dataChanged(idx, idx);
+    if (role == Qt::CheckStateRole) {
+        const bool newChecked = value.toBool();
+        if (checkedRows.at(index.row()) != newChecked) {
+            checkedRows[index.row()] = newChecked;
+            emit dataChanged(index, index, {role});
+            emit checkedTypesChanged();
+            return true;
+        }
+    }
 
-    emit checkedTypesChanged();
+    return false;
 }
 
 void MimeTypesModel::checkAll()
@@ -153,13 +161,6 @@
 {
 }
 
-void FilterableMimeTypesModel::setRowChecked(int row, bool checked)
-{
-    QModelIndex idx = index(row, 0);
-
-    m_sourceModel->setRowChecked(mapToSource(idx).row(), checked);
-}
-
 void FilterableMimeTypesModel::checkAll()
 {
     m_sourceModel->checkAll();
diff --git a/containments/desktop/plugins/folder/previewpluginsmodel.h b/containments/desktop/plugins/folder/previewpluginsmodel.h
--- a/containments/desktop/plugins/folder/previewpluginsmodel.h
+++ b/containments/desktop/plugins/folder/previewpluginsmodel.h
@@ -38,7 +38,7 @@
 
         QHash<int, QByteArray> roleNames() const override;
         QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
-        Q_INVOKABLE void setRowChecked(int row, bool checked);
+        bool setData(const QModelIndex &index, const QVariant &value, int role) Q_DECL_OVERRIDE;
 
         int rowCount(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE { Q_UNUSED(parent) return m_plugins.size(); }
 
diff --git a/containments/desktop/plugins/folder/previewpluginsmodel.cpp b/containments/desktop/plugins/folder/previewpluginsmodel.cpp
--- a/containments/desktop/plugins/folder/previewpluginsmodel.cpp
+++ b/containments/desktop/plugins/folder/previewpluginsmodel.cpp
@@ -65,13 +65,19 @@
     return QVariant();
 }
 
-void PreviewPluginsModel::setRowChecked(int row, bool checked)
+bool PreviewPluginsModel::setData(const QModelIndex &index, const QVariant &value, int role)
 {
-    m_checkedRows[row] = checked;
+    if (index.row() < 0 || index.row() >= m_plugins.size()) {
+        return false;
+    }
 
-    QModelIndex idx = index(row, 0);
+    if (role == Qt::CheckStateRole) {
+        m_checkedRows[index.row()] = value.toBool();
+        emit dataChanged(index, index, {role});
+        return true;
+    }
 
-    emit dataChanged(idx, idx);
+    return false;
 }
 
 int PreviewPluginsModel::indexOfPlugin(const QString &name) const