diff --git a/enterpassworddialog/enterpassworddialog.h b/enterpassworddialog/enterpassworddialog.h
index c1f6e31..79912d8 100644
--- a/enterpassworddialog/enterpassworddialog.h
+++ b/enterpassworddialog/enterpassworddialog.h
@@ -48,7 +48,7 @@ protected:
     bool event(QEvent *event);
     bool eventFilter(QObject *sender, QEvent *event);
 
-private slots:
+private Q_SLOTS:
     void updateShowPassword();
     void confirm();
     void abort();
diff --git a/settingsdialog/optioncategory.h b/settingsdialog/optioncategory.h
index d874261..9dce4c4 100644
--- a/settingsdialog/optioncategory.h
+++ b/settingsdialog/optioncategory.h
@@ -32,7 +32,7 @@ public:
     void resetAllPages();
     bool matches(const QString &searchKeyWord) const;
     
-signals:
+Q_SIGNALS:
     void displayNameChanged();
     void iconChanged();
     void pagesChanged();
diff --git a/settingsdialog/optioncategorymodel.h b/settingsdialog/optioncategorymodel.h
index dcbdb1f..721efa2 100644
--- a/settingsdialog/optioncategorymodel.h
+++ b/settingsdialog/optioncategorymodel.h
@@ -26,7 +26,7 @@ public:
     int rowCount(const QModelIndex &parent = QModelIndex()) const;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
 
-private slots:
+private Q_SLOTS:
     void categoryChangedName();
     void categoryChangedIcon();
     
diff --git a/settingsdialog/settingsdialog.h b/settingsdialog/settingsdialog.h
index 977e4d6..6670747 100644
--- a/settingsdialog/settingsdialog.h
+++ b/settingsdialog/settingsdialog.h
@@ -32,14 +32,14 @@ public:
     OptionCategory *category(int categoryIndex) const;
     OptionPage *page(int categoryIndex, int pageIndex) const;
 
-signals:
+Q_SIGNALS:
     void applied();
     void resetted();
 
 protected:
     void showEvent(QShowEvent *event);
 
-private slots:
+private Q_SLOTS:
     void currentCategoryChanged(const QModelIndex &index);
     void updateTabWidget();
 
diff --git a/widgets/clearcombobox.h b/widgets/clearcombobox.h
index cd08719..4ba5579 100644
--- a/widgets/clearcombobox.h
+++ b/widgets/clearcombobox.h
@@ -17,7 +17,7 @@ public:
     ~ClearComboBox();
     bool isCleared() const;
     
-private slots:
+private Q_SLOTS:
     void handleTextChanged(const QString &text);
     void handleClearButtonClicked();
     
diff --git a/widgets/clearlineedit.h b/widgets/clearlineedit.h
index 49a6d3c..0f11e00 100644
--- a/widgets/clearlineedit.h
+++ b/widgets/clearlineedit.h
@@ -23,7 +23,7 @@ public:
     ~ClearLineEdit();
     bool isCleared() const;
     
-private slots:
+private Q_SLOTS:
     void handleTextChanged(const QString &text);
     void handleClearButtonClicked();
 };
diff --git a/widgets/clearplaintextedit.h b/widgets/clearplaintextedit.h
index ed2a77e..274dee8 100644
--- a/widgets/clearplaintextedit.h
+++ b/widgets/clearplaintextedit.h
@@ -15,7 +15,7 @@ public:
     ~ClearPlainTextEdit();
     bool isCleared() const;
 
-private slots:
+private Q_SLOTS:
     void handleTextChanged();
     void handleClearButtonClicked();
 
diff --git a/widgets/clearspinbox.h b/widgets/clearspinbox.h
index 2a40152..8c3067d 100644
--- a/widgets/clearspinbox.h
+++ b/widgets/clearspinbox.h
@@ -36,7 +36,7 @@ protected:
     int valueFromText(const QString &text) const;
     QString textFromValue(int val) const;
 
-private slots:
+private Q_SLOTS:
     void handleValueChanged(int value);
     void handleClearButtonClicked();