diff --git a/autotests/kerfuffle/jobstest.cpp b/autotests/kerfuffle/jobstest.cpp
--- a/autotests/kerfuffle/jobstest.cpp
+++ b/autotests/kerfuffle/jobstest.cpp
@@ -103,7 +103,7 @@
 {
     m_entries.clear();
 
-    ListJob *listJob = new ListJob(iface, this);
+    ListJob *listJob = new ListJob(iface);
     connect(listJob, &Job::newEntry,
             this, &JobsTest::slotNewEntry);
 
@@ -189,7 +189,7 @@
     JSONArchiveInterface *iface = createArchiveInterface(jsonArchive);
     QVERIFY(iface);
 
-    ListJob *listJob = new ListJob(iface, this);
+    ListJob *listJob = new ListJob(iface);
     listJob->setAutoDelete(false);
     startAndWaitForResult(listJob);
 
@@ -217,7 +217,7 @@
 void JobsTest::testExtractJobAccessors()
 {
     JSONArchiveInterface *iface = createArchiveInterface(QFINDTESTDATA("data/archive001.json"));
-    ExtractJob *job = new ExtractJob(QVariantList(), QStringLiteral("/tmp/some-dir"), ExtractionOptions(), iface, this);
+    ExtractJob *job = new ExtractJob(QVariantList(), QStringLiteral("/tmp/some-dir"), ExtractionOptions(), iface);
     ExtractionOptions defaultOptions;
     defaultOptions[QStringLiteral("PreservePaths")] = false;
 
@@ -229,13 +229,14 @@
 
     QCOMPARE(job->destinationDirectory(), QLatin1String("/tmp/some-dir"));
     QCOMPARE(job->extractionOptions(), defaultOptions);
+    delete job;
 
     ExtractionOptions options;
     options[QStringLiteral("PreservePaths")] = true;
     options[QStringLiteral("foo")] = QLatin1String("bar");
     options[QStringLiteral("pi")] = 3.14f;
 
-    job = new ExtractJob(QVariantList(), QStringLiteral("/root"), options, iface, this);
+    job = new ExtractJob(QVariantList(), QStringLiteral("/root"), options, iface);
 
     QCOMPARE(job->destinationDirectory(), QLatin1String("/root"));
     QCOMPARE(job->extractionOptions(), options);
@@ -245,6 +246,7 @@
 
     QCOMPARE(job->destinationDirectory(), QLatin1String("/root"));
     QCOMPARE(job->extractionOptions(), options);
+    delete job;
 }
 
 void JobsTest::testRemoveEntries_data()
@@ -283,7 +285,7 @@
         }
     }
 
-    DeleteJob *deleteJob = new DeleteJob(entriesToDelete, iface, this);
+    DeleteJob *deleteJob = new DeleteJob(entriesToDelete, iface);
     startAndWaitForResult(deleteJob);
 
     auto remainingEntries = listEntries(iface);
@@ -327,7 +329,7 @@
     QCOMPARE(currentEntries.size(), originalEntries.size());
 
     QFETCH(QStringList, entriesToAdd);
-    AddJob *addJob = new AddJob(entriesToAdd, CompressionOptions(), iface, this);
+    AddJob *addJob = new AddJob(entriesToAdd, CompressionOptions(), iface);
     startAndWaitForResult(addJob);
 
     currentEntries = listEntries(iface);
diff --git a/kerfuffle/archive_kerfuffle.cpp b/kerfuffle/archive_kerfuffle.cpp
--- a/kerfuffle/archive_kerfuffle.cpp
+++ b/kerfuffle/archive_kerfuffle.cpp
@@ -177,7 +177,7 @@
 
     qCDebug(ARK) << "Going to add comment:" << comment;
     Q_ASSERT(!isReadOnly());
-    CommentJob *job = new CommentJob(comment, static_cast<ReadWriteArchiveInterface*>(m_iface), this);
+    CommentJob *job = new CommentJob(comment, static_cast<ReadWriteArchiveInterface*>(m_iface));
     return job;
 }
 
@@ -189,7 +189,7 @@
 
     qCDebug(ARK) << "Going to test archive";
 
-    TestJob *job = new TestJob(m_iface, this);
+    TestJob *job = new TestJob(m_iface);
     return job;
 }
 
@@ -298,7 +298,7 @@
 
     qCDebug(ARK) << "Going to list files";
 
-    ListJob *job = new ListJob(m_iface, this);
+    ListJob *job = new ListJob(m_iface);
 
     //if this job has not been listed before, we grab the opportunity to
     //collect some information about the archive
@@ -319,7 +319,7 @@
     if (m_iface->isReadOnly()) {
         return 0;
     }
-    DeleteJob *newJob = new DeleteJob(files, static_cast<ReadWriteArchiveInterface*>(m_iface), this);
+    DeleteJob *newJob = new DeleteJob(files, static_cast<ReadWriteArchiveInterface*>(m_iface));
 
     return newJob;
 }
@@ -337,7 +337,8 @@
 
     qCDebug(ARK) << "Going to add files" << files << "with options" << newOptions;
     Q_ASSERT(!m_iface->isReadOnly());
-    AddJob *newJob = new AddJob(files, newOptions, static_cast<ReadWriteArchiveInterface*>(m_iface), this);
+
+    AddJob *newJob = new AddJob(files, newOptions, static_cast<ReadWriteArchiveInterface*>(m_iface));
     connect(newJob, &AddJob::result, this, &Archive::onAddFinished);
     return newJob;
 }
@@ -353,7 +354,7 @@
         newOptions[QStringLiteral( "PasswordProtectedHint" )] = true;
     }
 
-    ExtractJob *newJob = new ExtractJob(files, destinationDir, newOptions, m_iface, this);
+    ExtractJob *newJob = new ExtractJob(files, destinationDir, newOptions, m_iface);
     return newJob;
 }
 
diff --git a/kerfuffle/jobs.h b/kerfuffle/jobs.h
--- a/kerfuffle/jobs.h
+++ b/kerfuffle/jobs.h
@@ -52,7 +52,7 @@
     bool isRunning() const;
 
 protected:
-    Job(ReadOnlyArchiveInterface *interface, QObject *parent = 0);
+    Job(ReadOnlyArchiveInterface *interface);
     virtual ~Job();
     virtual bool doKill();
     virtual void emitResult();
@@ -95,7 +95,7 @@
     Q_OBJECT
 
 public:
-    explicit ListJob(ReadOnlyArchiveInterface *interface, QObject *parent = 0);
+    explicit ListJob(ReadOnlyArchiveInterface *interface);
 
     qlonglong extractedFilesSize() const;
     bool isPasswordProtected() const;
@@ -123,7 +123,7 @@
     Q_OBJECT
 
 public:
-    ExtractJob(const QVariantList& files, const QString& destinationDir, const ExtractionOptions& options, ReadOnlyArchiveInterface *interface, QObject *parent = 0);
+    ExtractJob(const QVariantList& files, const QString& destinationDir, const ExtractionOptions& options, ReadOnlyArchiveInterface *interface);
 
     QString destinationDirectory() const;
     ExtractionOptions extractionOptions() const;
@@ -145,7 +145,7 @@
     Q_OBJECT
 
 public:
-    AddJob(const QStringList& files, const CompressionOptions& options, ReadWriteArchiveInterface *interface, QObject *parent = 0);
+    AddJob(const QStringList& files, const CompressionOptions& options, ReadWriteArchiveInterface *interface);
 
 public slots:
     virtual void doWork() Q_DECL_OVERRIDE;
@@ -164,7 +164,7 @@
     Q_OBJECT
 
 public:
-    DeleteJob(const QVariantList& files, ReadWriteArchiveInterface *interface, QObject *parent = 0);
+    DeleteJob(const QVariantList& files, ReadWriteArchiveInterface *interface);
 
 public slots:
     virtual void doWork() Q_DECL_OVERRIDE;
@@ -178,7 +178,7 @@
     Q_OBJECT
 
 public:
-    CommentJob(const QString& comment, ReadWriteArchiveInterface *interface, QObject *parent = 0);
+    CommentJob(const QString& comment, ReadWriteArchiveInterface *interface);
 
 public slots:
     virtual void doWork() Q_DECL_OVERRIDE;
@@ -192,7 +192,7 @@
     Q_OBJECT
 
 public:
-    TestJob(ReadOnlyArchiveInterface *interface, QObject *parent = 0);
+    TestJob(ReadOnlyArchiveInterface *interface);
     bool testSucceeded();
 
 public slots:
diff --git a/kerfuffle/jobs.cpp b/kerfuffle/jobs.cpp
--- a/kerfuffle/jobs.cpp
+++ b/kerfuffle/jobs.cpp
@@ -70,8 +70,8 @@
 #endif
 }
 
-Job::Job(ReadOnlyArchiveInterface *interface, QObject *parent)
-    : KJob(parent)
+Job::Job(ReadOnlyArchiveInterface *interface)
+    : KJob()
     , m_archiveInterface(interface)
     , m_isRunning(false)
     , d(new Private(this))
@@ -192,8 +192,8 @@
     return ret;
 }
 
-ListJob::ListJob(ReadOnlyArchiveInterface *interface, QObject *parent)
-    : Job(interface, parent)
+ListJob::ListJob(ReadOnlyArchiveInterface *interface)
+    : Job(interface)
     , m_isSingleFolderArchive(true)
     , m_isPasswordProtected(false)
     , m_extractedFilesSize(0)
@@ -271,8 +271,8 @@
     return m_subfolderName;
 }
 
-ExtractJob::ExtractJob(const QVariantList& files, const QString& destinationDir, const ExtractionOptions& options, ReadOnlyArchiveInterface *interface, QObject *parent)
-    : Job(interface, parent)
+ExtractJob::ExtractJob(const QVariantList& files, const QString& destinationDir, const ExtractionOptions& options, ReadOnlyArchiveInterface *interface)
+    : Job(interface)
     , m_files(files)
     , m_destinationDir(destinationDir)
     , m_options(options)
@@ -336,8 +336,8 @@
     return m_options;
 }
 
-AddJob::AddJob(const QStringList& files, const CompressionOptions& options , ReadWriteArchiveInterface *interface, QObject *parent)
-    : Job(interface, parent)
+AddJob::AddJob(const QStringList& files, const CompressionOptions& options , ReadWriteArchiveInterface *interface)
+    : Job(interface)
     , m_files(files)
     , m_options(options)
 {
@@ -394,8 +394,8 @@
     Job::onFinished(result);
 }
 
-DeleteJob::DeleteJob(const QVariantList& files, ReadWriteArchiveInterface *interface, QObject *parent)
-    : Job(interface, parent)
+DeleteJob::DeleteJob(const QVariantList& files, ReadWriteArchiveInterface *interface)
+    : Job(interface)
     , m_files(files)
 {
 }
@@ -417,8 +417,8 @@
     }
 }
 
-CommentJob::CommentJob(const QString& comment, ReadWriteArchiveInterface *interface, QObject *parent)
-    : Job(interface, parent)
+CommentJob::CommentJob(const QString& comment, ReadWriteArchiveInterface *interface)
+    : Job(interface)
     , m_comment(comment)
 {
 }
@@ -440,8 +440,8 @@
     }
 }
 
-TestJob::TestJob(ReadOnlyArchiveInterface *interface, QObject *parent)
-    : Job(interface, parent)
+TestJob::TestJob(ReadOnlyArchiveInterface *interface)
+    : Job(interface)
 {
     m_testSuccess = false;
 }