diff --git a/src/plugins/android/androidsdkmanagerdialog.cpp b/src/plugins/android/androidsdkmanagerdialog.cpp
index 8a6d941fd13..c8c070d6486 100644
--- a/src/plugins/android/androidsdkmanagerdialog.cpp
+++ b/src/plugins/android/androidsdkmanagerdialog.cpp
@@ -139,9 +139,9 @@ AndroidSdkManagerDialog::AndroidSdkManagerDialog(AndroidSdkManager *sdkManager,
 
     auto expandCheck = new QCheckBox(Tr::tr("Expand All"));
 
-    m_buttonBox = new QDialogButtonBox;
-    m_buttonBox->setStandardButtons(QDialogButtonBox::Apply | QDialogButtonBox::Cancel);
-    m_buttonBox->button(QDialogButtonBox::Apply)->setEnabled(false);
+    auto buttonBox = new QDialogButtonBox;
+    buttonBox->setStandardButtons(QDialogButtonBox::Apply | QDialogButtonBox::Cancel);
+    buttonBox->button(QDialogButtonBox::Apply)->setEnabled(false);
 
     auto proxyModel = new PackageFilterModel(m_sdkModel);
     packagesView->setModel(proxyModel);
@@ -172,11 +172,11 @@ AndroidSdkManagerDialog::AndroidSdkManagerDialog(AndroidSdkManager *sdkManager,
                 optionsButton,
             }, br,
         },
-        m_buttonBox,
+        buttonBox,
     }.attachTo(this);
 
-    connect(m_sdkModel, &AndroidSdkModel::dataChanged, this, [this] {
-        m_buttonBox->button(QDialogButtonBox::Apply)
+    connect(m_sdkModel, &AndroidSdkModel::dataChanged, this, [this, buttonBox] {
+        buttonBox->button(QDialogButtonBox::Apply)
             ->setEnabled(m_sdkModel->installationChange().count());
     });
 
@@ -215,10 +215,10 @@ AndroidSdkManagerDialog::AndroidSdkManagerDialog(AndroidSdkManager *sdkManager,
         expandCheck->setChecked(!text.isEmpty());
     });
 
-    connect(m_buttonBox->button(QDialogButtonBox::Apply), &QAbstractButton::clicked, this, [this] {
+    connect(buttonBox->button(QDialogButtonBox::Apply), &QAbstractButton::clicked, this, [this] {
         m_sdkManager->runInstallationChange(m_sdkModel->installationChange());
     });
-    connect(m_buttonBox, &QDialogButtonBox::rejected, this, &AndroidSdkManagerDialog::reject);
+    connect(buttonBox, &QDialogButtonBox::rejected, this, &AndroidSdkManagerDialog::reject);
 
     connect(optionsButton, &QPushButton::clicked, this, [this] {
         OptionsDialog dlg(m_sdkManager, this);
diff --git a/src/plugins/android/androidsdkmanagerdialog.h b/src/plugins/android/androidsdkmanagerdialog.h
index 35a9de172a5..ed57211c52c 100644
--- a/src/plugins/android/androidsdkmanagerdialog.h
+++ b/src/plugins/android/androidsdkmanagerdialog.h
@@ -6,10 +6,6 @@
 
 #include <QDialog>
 
-QT_BEGIN_NAMESPACE
-class QDialogButtonBox;
-QT_END_NAMESPACE
-
 namespace Android::Internal {
 
 class AndroidSdkManager;
@@ -23,7 +19,6 @@ public:
 private:
     AndroidSdkManager *m_sdkManager = nullptr;
     AndroidSdkModel *m_sdkModel = nullptr;
-    QDialogButtonBox *m_buttonBox = nullptr;
 };
 
 } // Android::Internal