diff --git a/Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp b/Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp
index 6c815e4a15..ad7305ac15 100644
--- a/Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp
+++ b/Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp
@@ -59,8 +59,6 @@
 #include "InputCommon/ControllerInterface/CoreDevice.h"
 #include "InputCommon/InputConfig.h"
 
-constexpr const char* PROFILES_DIR = "Profiles/";
-
 MappingWindow::MappingWindow(QWidget* parent, Type type, int port_num)
     : QDialog(parent), m_port(port_num)
 {
diff --git a/Source/Core/DolphinQt/GameList/GameList.cpp b/Source/Core/DolphinQt/GameList/GameList.cpp
index 05ca541ef3..5545a622b3 100644
--- a/Source/Core/DolphinQt/GameList/GameList.cpp
+++ b/Source/Core/DolphinQt/GameList/GameList.cpp
@@ -299,16 +299,14 @@ void GameList::MakeEmptyView()
   size_policy.setRetainSizeWhenHidden(true);
   m_empty->setSizePolicy(size_policy);
 
-  connect(&Settings::Instance(), &Settings::GameListRefreshRequested, this,
-          [this, refreshing_msg = refreshing_msg] {
-            m_empty->setText(refreshing_msg);
-            m_empty->setEnabled(false);
-          });
-  connect(&Settings::Instance(), &Settings::GameListRefreshCompleted, this,
-          [this, empty_msg = empty_msg] {
-            m_empty->setText(empty_msg);
-            m_empty->setEnabled(true);
-          });
+  connect(&Settings::Instance(), &Settings::GameListRefreshRequested, this, [this, refreshing_msg] {
+    m_empty->setText(refreshing_msg);
+    m_empty->setEnabled(false);
+  });
+  connect(&Settings::Instance(), &Settings::GameListRefreshCompleted, this, [this, empty_msg] {
+    m_empty->setText(empty_msg);
+    m_empty->setEnabled(true);
+  });
 }
 
 void GameList::resizeEvent(QResizeEvent* event)
diff --git a/Source/Core/DolphinQt/Settings.cpp b/Source/Core/DolphinQt/Settings.cpp
index 9cc1a1a5ab..4ab29c3e0f 100644
--- a/Source/Core/DolphinQt/Settings.cpp
+++ b/Source/Core/DolphinQt/Settings.cpp
@@ -354,11 +354,6 @@ void Settings::NotifyRefreshGameListComplete()
   emit GameListRefreshCompleted();
 }
 
-void Settings::RefreshMetadata()
-{
-  emit MetadataRefreshRequested();
-}
-
 void Settings::NotifyMetadataRefreshComplete()
 {
   emit MetadataRefreshCompleted();
diff --git a/Source/Core/DolphinQt/Settings.h b/Source/Core/DolphinQt/Settings.h
index 479d723e59..a99e8c7dca 100644
--- a/Source/Core/DolphinQt/Settings.h
+++ b/Source/Core/DolphinQt/Settings.h
@@ -104,7 +104,6 @@ public:
   void RefreshGameList();
   void NotifyRefreshGameListStarted();
   void NotifyRefreshGameListComplete();
-  void RefreshMetadata();
   void NotifyMetadataRefreshComplete();
   void ReloadTitleDB();
   bool IsAutoRefreshEnabled() const;
diff --git a/Source/Core/DolphinQt/Settings/InterfacePane.cpp b/Source/Core/DolphinQt/Settings/InterfacePane.cpp
index c375214bd3..42f186abee 100644
--- a/Source/Core/DolphinQt/Settings/InterfacePane.cpp
+++ b/Source/Core/DolphinQt/Settings/InterfacePane.cpp
@@ -235,15 +235,15 @@ void InterfacePane::ConnectLayout()
   connect(m_checkbox_use_builtin_title_database, &QCheckBox::toggled, &Settings::Instance(),
           &Settings::GameListRefreshRequested);
   connect(m_checkbox_use_covers, &QCheckBox::toggled, &Settings::Instance(),
-          &Settings::RefreshMetadata);
+          &Settings::MetadataRefreshRequested);
   connect(m_checkbox_show_debugging_ui, &QCheckBox::toggled, &Settings::Instance(),
           &Settings::SetDebugModeEnabled);
-  connect(m_combobox_theme, &QComboBox::currentIndexChanged, this,
-          [this](int index) { Settings::Instance().TriggerThemeChanged(); });
+  connect(m_combobox_theme, &QComboBox::currentIndexChanged, &Settings::Instance(),
+          &Settings::ThemeChanged);
   connect(m_combobox_userstyle, &QComboBox::currentIndexChanged, this,
           &InterfacePane::OnUserStyleChanged);
   connect(m_combobox_language, &QComboBox::currentIndexChanged, this,
-          [this]() { OnLanguageChanged(); });
+          &InterfacePane::OnLanguageChanged);
   connect(m_checkbox_top_window, &QCheckBox::toggled, &Settings::Instance(),
           &Settings::KeepWindowOnTopChanged);
   connect(m_radio_cursor_visible_movement, &ConfigRadioInt::OnSelected, &Settings::Instance(),
@@ -253,7 +253,7 @@ void InterfacePane::ConnectLayout()
   connect(m_radio_cursor_visible_always, &ConfigRadioInt::OnSelected, &Settings::Instance(),
           &Settings::CursorVisibilityChanged);
   connect(m_checkbox_lock_mouse, &QCheckBox::toggled, &Settings::Instance(),
-          [this]() { Settings::Instance().LockCursorChanged(); });
+          &Settings::LockCursorChanged);
 }
 
 void InterfacePane::UpdateShowDebuggingCheckbox()