diff --git a/src/citra_qt/configuration/configure_audio.h b/src/citra_qt/configuration/configure_audio.h
index 9ba031070..b8e347a42 100644
--- a/src/citra_qt/configuration/configure_audio.h
+++ b/src/citra_qt/configuration/configure_audio.h
@@ -16,16 +16,15 @@ class ConfigureAudio : public QWidget {
 
 public:
     explicit ConfigureAudio(QWidget* parent = nullptr);
-    ~ConfigureAudio();
+    ~ConfigureAudio() override;
 
     void applyConfiguration();
     void retranslateUi();
     void setConfiguration();
 
-public slots:
+private:
     void updateAudioDevices(int sink_index);
 
-private:
     void setOutputSinkFromSinkID();
     void setAudioDeviceFromDeviceID();
     void setVolumeIndicatorText(int percentage);
diff --git a/src/citra_qt/configuration/configure_camera.h b/src/citra_qt/configuration/configure_camera.h
index 0aa55996e..130026b3a 100644
--- a/src/citra_qt/configuration/configure_camera.h
+++ b/src/citra_qt/configuration/configure_camera.h
@@ -16,7 +16,7 @@ class ConfigureCamera : public QWidget {
 
 public:
     explicit ConfigureCamera(QWidget* parent = nullptr);
-    ~ConfigureCamera();
+    ~ConfigureCamera() override;
 
     void applyConfiguration();
     void retranslateUi();
diff --git a/src/citra_qt/configuration/configure_debug.h b/src/citra_qt/configuration/configure_debug.h
index e88184281..4170c487f 100644
--- a/src/citra_qt/configuration/configure_debug.h
+++ b/src/citra_qt/configuration/configure_debug.h
@@ -16,12 +16,11 @@ class ConfigureDebug : public QWidget {
 
 public:
     explicit ConfigureDebug(QWidget* parent = nullptr);
-    ~ConfigureDebug();
+    ~ConfigureDebug() override;
 
     void applyConfiguration();
     void retranslateUi();
     void setConfiguration();
 
-private:
     std::unique_ptr<Ui::ConfigureDebug> ui;
 };
diff --git a/src/citra_qt/configuration/configure_dialog.h b/src/citra_qt/configuration/configure_dialog.h
index 6c0d9ef77..b60b4207b 100644
--- a/src/citra_qt/configuration/configure_dialog.h
+++ b/src/citra_qt/configuration/configure_dialog.h
@@ -18,7 +18,7 @@ class ConfigureDialog : public QDialog {
 
 public:
     explicit ConfigureDialog(QWidget* parent, const HotkeyRegistry& registry);
-    ~ConfigureDialog();
+    ~ConfigureDialog() override;
 
     void applyConfiguration();
     void UpdateVisibleTabs();
@@ -34,6 +34,5 @@ private:
     void setConfiguration();
     void retranslateUi();
 
-private:
     std::unique_ptr<Ui::ConfigureDialog> ui;
 };
diff --git a/src/citra_qt/configuration/configure_general.h b/src/citra_qt/configuration/configure_general.h
index 121fb508a..9f518155b 100644
--- a/src/citra_qt/configuration/configure_general.h
+++ b/src/citra_qt/configuration/configure_general.h
@@ -18,7 +18,7 @@ class ConfigureGeneral : public QWidget {
 
 public:
     explicit ConfigureGeneral(QWidget* parent = nullptr);
-    ~ConfigureGeneral();
+    ~ConfigureGeneral() override;
 
     void PopulateHotkeyList(const HotkeyRegistry& registry);
     void ResetDefaults();
diff --git a/src/citra_qt/configuration/configure_graphics.h b/src/citra_qt/configuration/configure_graphics.h
index b78e570fc..478bebe2a 100644
--- a/src/citra_qt/configuration/configure_graphics.h
+++ b/src/citra_qt/configuration/configure_graphics.h
@@ -16,13 +16,12 @@ class ConfigureGraphics : public QWidget {
 
 public:
     explicit ConfigureGraphics(QWidget* parent = nullptr);
-    ~ConfigureGraphics();
+    ~ConfigureGraphics() override;
 
     void applyConfiguration();
     void retranslateUi();
     void setConfiguration();
 
-private:
     std::unique_ptr<Ui::ConfigureGraphics> ui;
     QColor bg_color;
 };
diff --git a/src/citra_qt/configuration/configure_input.cpp b/src/citra_qt/configuration/configure_input.cpp
index c0c9aaeb1..b0cc53395 100644
--- a/src/citra_qt/configuration/configure_input.cpp
+++ b/src/citra_qt/configuration/configure_input.cpp
@@ -221,6 +221,8 @@ ConfigureInput::ConfigureInput(QWidget* parent)
     ui->buttonHome->setEnabled(false);
 }
 
+ConfigureInput::~ConfigureInput() = default;
+
 void ConfigureInput::applyConfiguration() {
     std::transform(buttons_param.begin(), buttons_param.end(), Settings::values.buttons.begin(),
                    [](const Common::ParamPackage& param) { return param.Serialize(); });
diff --git a/src/citra_qt/configuration/configure_input.h b/src/citra_qt/configuration/configure_input.h
index 0f8ce7d1b..aa3cce7a5 100644
--- a/src/citra_qt/configuration/configure_input.h
+++ b/src/citra_qt/configuration/configure_input.h
@@ -30,6 +30,7 @@ class ConfigureInput : public QWidget {
 
 public:
     explicit ConfigureInput(QWidget* parent = nullptr);
+    ~ConfigureInput() override;
 
     /// Save all button configurations to settings file
     void applyConfiguration();
diff --git a/src/citra_qt/configuration/configure_motion_touch.h b/src/citra_qt/configuration/configure_motion_touch.h
index a7662b103..2122819f9 100644
--- a/src/citra_qt/configuration/configure_motion_touch.h
+++ b/src/citra_qt/configuration/configure_motion_touch.h
@@ -46,7 +46,7 @@ class ConfigureMotionTouch : public QDialog {
 
 public:
     explicit ConfigureMotionTouch(QWidget* parent = nullptr);
-    ~ConfigureMotionTouch();
+    ~ConfigureMotionTouch() override;
 
 public slots:
     void applyConfiguration();
diff --git a/src/citra_qt/configuration/configure_ui.h b/src/citra_qt/configuration/configure_ui.h
index feff6268d..496cf83af 100644
--- a/src/citra_qt/configuration/configure_ui.h
+++ b/src/citra_qt/configuration/configure_ui.h
@@ -16,7 +16,7 @@ class ConfigureUi : public QWidget {
 
 public:
     explicit ConfigureUi(QWidget* parent = nullptr);
-    ~ConfigureUi();
+    ~ConfigureUi() override;
 
     void applyConfiguration();
     void retranslateUi();
diff --git a/src/citra_qt/configuration/configure_web.h b/src/citra_qt/configuration/configure_web.h
index e2711ee44..d52bab7a0 100644
--- a/src/citra_qt/configuration/configure_web.h
+++ b/src/citra_qt/configuration/configure_web.h
@@ -17,19 +17,18 @@ class ConfigureWeb : public QWidget {
 
 public:
     explicit ConfigureWeb(QWidget* parent = nullptr);
-    ~ConfigureWeb();
+    ~ConfigureWeb() override;
 
     void applyConfiguration();
     void retranslateUi();
     void setConfiguration();
 
-public slots:
+private:
     void RefreshTelemetryID();
     void OnLoginChanged();
     void VerifyLogin();
     void OnLoginVerified();
 
-private:
     bool user_verified = true;
     QFutureWatcher<bool> verify_watcher;
 
diff --git a/src/citra_qt/game_list.cpp b/src/citra_qt/game_list.cpp
index eab2fba15..03af04927 100644
--- a/src/citra_qt/game_list.cpp
+++ b/src/citra_qt/game_list.cpp
@@ -287,6 +287,7 @@ GameList::GameList(GMainWindow* parent) : QWidget{parent} {
     tree_view->setEditTriggers(QHeaderView::NoEditTriggers);
     tree_view->setUniformRowHeights(true);
     tree_view->setContextMenuPolicy(Qt::CustomContextMenu);
+    tree_view->setStyleSheet("QTreeView{ border: none; }");
 
     item_model->insertColumns(0, COLUMN_COUNT);
     item_model->setHeaderData(COLUMN_NAME, Qt::Horizontal, tr("Name"));
diff --git a/src/citra_qt/game_list_worker.cpp b/src/citra_qt/game_list_worker.cpp
index 7ec7c7677..8739153f0 100644
--- a/src/citra_qt/game_list_worker.cpp
+++ b/src/citra_qt/game_list_worker.cpp
@@ -37,12 +37,13 @@ void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsign
     const auto callback = [this, recursion, parent_dir](u64* num_entries_out,
                                                         const std::string& directory,
                                                         const std::string& virtual_name) -> bool {
-        std::string physical_name = directory + DIR_SEP + virtual_name;
+        if (stop_processing) {
+            // Breaks the callback loop.
+            return false;
+        }
 
-        if (stop_processing)
-            return false; // Breaks the callback loop.
-
-        bool is_dir = FileUtil::IsDirectory(physical_name);
+        const std::string physical_name = directory + DIR_SEP + virtual_name;
+        const bool is_dir = FileUtil::IsDirectory(physical_name);
         if (!is_dir && HasSupportedFileExtension(physical_name)) {
             std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(physical_name);
             if (!loader)