diff --git a/Source/Core/DolphinQt/GameList/GameList.cpp b/Source/Core/DolphinQt/GameList/GameList.cpp
index 3b51cefb89..a299facf95 100644
--- a/Source/Core/DolphinQt/GameList/GameList.cpp
+++ b/Source/Core/DolphinQt/GameList/GameList.cpp
@@ -361,7 +361,7 @@ void GameList::ShowContextMenu(const QPoint&)
       tag_action->setCheckable(true);
       tag_action->setChecked(game_tags.contains(tag));
 
-      connect(tag_action, &QAction::toggled, this, [this, path, tag, model](bool checked) {
+      connect(tag_action, &QAction::toggled, [path, tag, model](bool checked) {
         if (!checked)
           model->RemoveGameTag(path, tag);
         else
diff --git a/Source/Core/DolphinQt/GameList/GameTracker.cpp b/Source/Core/DolphinQt/GameList/GameTracker.cpp
index ea1b87e1fd..765e98a710 100644
--- a/Source/Core/DolphinQt/GameList/GameTracker.cpp
+++ b/Source/Core/DolphinQt/GameList/GameTracker.cpp
@@ -73,7 +73,7 @@ GameTracker::GameTracker(QObject* parent) : QFileSystemWatcher(parent)
           [this](const std::shared_ptr<const UICommon::GameFile>& game) {
             emit GameUpdated(game);
           });
-      QueueOnObject(this, [this] { Settings::Instance().NotifyMetadataRefreshComplete(); });
+      QueueOnObject(this, [] { Settings::Instance().NotifyMetadataRefreshComplete(); });
       break;
     case CommandType::PurgeCache:
       m_cache.Clear(UICommon::GameFileCache::DeleteOnDisk::Yes);
@@ -136,7 +136,7 @@ void GameTracker::StartInternal()
   if (cache_updated)
     m_cache.Save();
 
-  QueueOnObject(this, [this] { Settings::Instance().NotifyMetadataRefreshComplete(); });
+  QueueOnObject(this, [] { Settings::Instance().NotifyMetadataRefreshComplete(); });
 }
 
 bool GameTracker::AddPath(const QString& dir)
diff --git a/Source/Core/DolphinQt/NetPlay/NetPlayDialog.cpp b/Source/Core/DolphinQt/NetPlay/NetPlayDialog.cpp
index 04efe5bea9..9cb27331e7 100644
--- a/Source/Core/DolphinQt/NetPlay/NetPlayDialog.cpp
+++ b/Source/Core/DolphinQt/NetPlay/NetPlayDialog.cpp
@@ -315,7 +315,7 @@ void NetPlayDialog::ConnectWidgets()
               client->AdjustPadBufferSize(value);
           });
 
-  connect(m_host_input_authority_box, &QCheckBox::toggled, [this](bool checked) {
+  connect(m_host_input_authority_box, &QCheckBox::toggled, [](bool checked) {
     auto server = Settings::Instance().GetNetPlayServer();
     if (server)
       server->SetHostInputAuthority(checked);
diff --git a/Source/Core/DolphinQt/RenderWidget.cpp b/Source/Core/DolphinQt/RenderWidget.cpp
index 6953de0798..f75882b55b 100644
--- a/Source/Core/DolphinQt/RenderWidget.cpp
+++ b/Source/Core/DolphinQt/RenderWidget.cpp
@@ -268,7 +268,7 @@ void RenderWidget::PassEventToImGui(const QEvent* event)
     // The actual text input goes through AddInputCharactersUTF8().
     const QKeyEvent* key_event = static_cast<const QKeyEvent*>(event);
     const bool is_down = event->type() == QEvent::KeyPress;
-    const int key = (key_event->key() & 0x1FF);
+    const u32 key = static_cast<u32>(key_event->key() & 0x1FF);
     auto lock = g_renderer->GetImGuiLock();
     if (key < ArraySize(ImGui::GetIO().KeysDown))
       ImGui::GetIO().KeysDown[key] = is_down;