diff --git a/YACReaderLibrary/comic_flow.h b/YACReaderLibrary/comic_flow.h
index 4eaea255..2d595384 100644
--- a/YACReaderLibrary/comic_flow.h
+++ b/YACReaderLibrary/comic_flow.h
@@ -41,7 +41,7 @@ private:
     int workerIndex;
     QTimer updateTimer;
     std::unique_ptr<WorkerThread<QImage>> worker;
-    virtual void wheelEvent(QWheelEvent *event);
+    virtual void wheelEvent(QWheelEvent *event) override;
 };
 
 #endif
diff --git a/YACReaderLibrary/comic_flow_widget.h b/YACReaderLibrary/comic_flow_widget.h
index 4d822272..2c2c1759 100644
--- a/YACReaderLibrary/comic_flow_widget.h
+++ b/YACReaderLibrary/comic_flow_widget.h
@@ -56,7 +56,7 @@ public:
     void setImagePaths(QStringList paths) override;
     void setCenterIndex(int index) override;
     void showSlide(int index) override;
-    int centerIndex();
+    int centerIndex() override;
     void updateMarks() override;
     void setFlowType(FlowType flowType) override;
     void render() override;
@@ -70,7 +70,7 @@ protected:
     void mousePressEvent(QMouseEvent *event) override;
     void resizeEvent(QResizeEvent *event) override;
     void mouseDoubleClickEvent(QMouseEvent *event) override;
-    QSize minimumSizeHint() const;
+    QSize minimumSizeHint() const override;
     QSize sizeHint() const override;
     QSize slideSizeW;
     QSize slideSizeF;
@@ -96,7 +96,7 @@ public:
     void setImagePaths(QStringList paths) override;
     void setCenterIndex(int index) override;
     void showSlide(int index) override;
-    int centerIndex();
+    int centerIndex() override;
     void updateMarks() override;
     void setFlowType(FlowType flowType) override;
     void render() override;
diff --git a/YACReaderLibrary/comic_vine/model/volume_comics_model.h b/YACReaderLibrary/comic_vine/model/volume_comics_model.h
index aee4bfc3..f9c7baa8 100644
--- a/YACReaderLibrary/comic_vine/model/volume_comics_model.h
+++ b/YACReaderLibrary/comic_vine/model/volume_comics_model.h
@@ -14,17 +14,18 @@ public:
     QModelIndex parent(const QModelIndex &index) const override;
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     int columnCount(const QModelIndex &parent) const override;
-    QVariant data(const QModelIndex &index, int role) const;
-    Qt::ItemFlags flags(const QModelIndex &index) const;
+    QVariant data(const QModelIndex &index, int role) const override;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
     QVariant headerData(int section, Qt::Orientation orientation,
                         int role = Qt::DisplayRole) const override;
     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
-signals:
 
-public slots:
     QString getComicId(const QModelIndex &index) const;
     QString getComicId(int row) const;
     QString getCoverURL(const QModelIndex &index) const;
+signals:
+
+public slots:
     void addExtraRows(int numRows);
 
 private:
diff --git a/YACReaderLibrary/comic_vine/model/volumes_model.h b/YACReaderLibrary/comic_vine/model/volumes_model.h
index 69f2fbe8..7b4eea9b 100644
--- a/YACReaderLibrary/comic_vine/model/volumes_model.h
+++ b/YACReaderLibrary/comic_vine/model/volumes_model.h
@@ -17,9 +17,9 @@ public:
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     int columnCount(const QModelIndex &parent) const override;
     QVariant data(const QModelIndex &index, int role) const override;
-    Qt::ItemFlags flags(const QModelIndex &index) const;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
     QVariant headerData(int section, Qt::Orientation orientation,
-                        int role = Qt::DisplayRole) const;
+                        int role = Qt::DisplayRole) const override;
     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
 
     QString getVolumeId(const QModelIndex &index) const;
diff --git a/YACReaderLibrary/yacreader_local_server.h b/YACReaderLibrary/yacreader_local_server.h
index a5585a27..bb935c59 100644
--- a/YACReaderLibrary/yacreader_local_server.h
+++ b/YACReaderLibrary/yacreader_local_server.h
@@ -40,7 +40,7 @@ signals:
 private:
     static QMutex dbMutex;
     // static int count;
-    void run();
+    void run() override;
 
     void getComicInfo(quint64 libraryId, ComicDB &comic, QList<ComicDB> &siblings);
     void getComicInfoFromReadingList(quint64 libraryId, unsigned long long readingListId, ComicDB &comic, QList<ComicDB> &siblings);
diff --git a/YACReaderLibrary/yacreader_reading_lists_view.h b/YACReaderLibrary/yacreader_reading_lists_view.h
index 2b300437..12965afe 100644
--- a/YACReaderLibrary/yacreader_reading_lists_view.h
+++ b/YACReaderLibrary/yacreader_reading_lists_view.h
@@ -24,7 +24,7 @@ class YACReaderReadingListsViewItemDeletegate : public QStyledItemDelegate
 public:
     explicit YACReaderReadingListsViewItemDeletegate(QObject *parent = nullptr);
     void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
-    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const;
+    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
 };
 
 #endif // YACREADER_READING_LISTS_VIEW_H