diff --git a/src/backend/corebackend.h b/src/backend/corebackend.h
index ddb4341..c828a1b 100644
--- a/src/backend/corebackend.h
+++ b/src/backend/corebackend.h
@@ -47,7 +47,7 @@ class LIBKPMCORE_EXPORT CoreBackend : public QObject
 
 protected:
     CoreBackend();
-    virtual ~CoreBackend();
+    ~CoreBackend() override;
 
 Q_SIGNALS:
     /**
diff --git a/src/core/device.h b/src/core/device.h
index 01d9d6f..df5d5b9 100644
--- a/src/core/device.h
+++ b/src/core/device.h
@@ -56,7 +56,7 @@ public:
 
 public:
     explicit Device(const Device& other);
-    virtual ~Device();
+    ~Device() override;
 
     virtual bool operator==(const Device& other) const;
     virtual bool operator!=(const Device& other) const;
diff --git a/src/core/lvmdevice.h b/src/core/lvmdevice.h
index dcc7ed6..5ef67d9 100644
--- a/src/core/lvmdevice.h
+++ b/src/core/lvmdevice.h
@@ -40,7 +40,7 @@ class LIBKPMCORE_EXPORT LvmDevice : public VolumeManagerDevice
 
 public:
     explicit LvmDevice(const QString& name, const QString& iconName = QString());
-    ~LvmDevice();
+    ~LvmDevice() override;
 
 public:
     const QStringList deviceNodes() const override;
diff --git a/src/core/operationstack.h b/src/core/operationstack.h
index 3e2e3cb..0ce0c5d 100644
--- a/src/core/operationstack.h
+++ b/src/core/operationstack.h
@@ -45,7 +45,7 @@ public:
 
 public:
     explicit OperationStack(QObject* parent = nullptr);
-    ~OperationStack();
+    ~OperationStack() override;
 
 Q_SIGNALS:
     void operationsChanged();
diff --git a/src/core/partitionnode.h b/src/core/partitionnode.h
index ed51787..30a0889 100644
--- a/src/core/partitionnode.h
+++ b/src/core/partitionnode.h
@@ -33,7 +33,7 @@ public:
 
 protected:
     PartitionNode() {}
-    virtual ~PartitionNode() {}
+    ~PartitionNode() override {}
 
 public:
     virtual bool insert(Partition* partNew);
diff --git a/src/gui/partwidgetbase.h b/src/gui/partwidgetbase.h
index 64536d4..fb244a5 100644
--- a/src/gui/partwidgetbase.h
+++ b/src/gui/partwidgetbase.h
@@ -33,7 +33,7 @@ class LIBKPMCORE_EXPORT PartWidgetBase : public QWidget
 
 protected:
     PartWidgetBase(QWidget* parent) : QWidget(parent) {}
-    virtual ~PartWidgetBase() {}
+    ~PartWidgetBase() override {}
 
 public:
     virtual qint32 borderWidth() const {
diff --git a/src/jobs/job.h b/src/jobs/job.h
index cc32c4d..f2a9348 100644
--- a/src/jobs/job.h
+++ b/src/jobs/job.h
@@ -49,7 +49,7 @@ protected:
     Job();
 
 public:
-    virtual ~Job() {}
+    ~Job() override {}
 
 Q_SIGNALS:
     void started();
diff --git a/src/ops/operation.h b/src/ops/operation.h
index 5321e07..abcf32d 100644
--- a/src/ops/operation.h
+++ b/src/ops/operation.h
@@ -85,7 +85,7 @@ public:
 
 protected:
     Operation();
-    virtual ~Operation();
+    ~Operation() override;
 
 Q_SIGNALS:
     void progress(int);
diff --git a/src/util/externalcommand.h b/src/util/externalcommand.h
index 516c160..f7f31c8 100644
--- a/src/util/externalcommand.h
+++ b/src/util/externalcommand.h
@@ -50,7 +50,7 @@ public:
     explicit ExternalCommand(const QString& cmd = QString(), const QStringList& args = QStringList(), const QProcess::ProcessChannelMode processChannelMode = QProcess::MergedChannels);
     explicit ExternalCommand(Report& report, const QString& cmd = QString(), const QStringList& args = QStringList(), const QProcess::ProcessChannelMode processChannelMode = QProcess::MergedChannels);
 
-    ~ExternalCommand();
+    ~ExternalCommand() override;
 
 public:
     bool copyBlocks(const CopySource& source, CopyTarget& target);
diff --git a/src/util/report.h b/src/util/report.h
index b5ed321..04e6e3f 100644
--- a/src/util/report.h
+++ b/src/util/report.h
@@ -36,7 +36,7 @@ class LIBKPMCORE_EXPORT Report : public QObject
 
 public:
     explicit Report(Report* p, const QString& cmd = QString());
-    ~Report();
+    ~Report() override;
 
 Q_SIGNALS:
     void outputChanged();