diff --git a/components/mobileshell/shellutil.cpp b/components/mobileshell/shellutil.cpp
index edbdb40f..13447b46 100644
--- a/components/mobileshell/shellutil.cpp
+++ b/components/mobileshell/shellutil.cpp
@@ -60,7 +60,7 @@ bool ShellUtil::isSystem24HourFormat()
         m_localeConfigWatcher = KConfigWatcher::create(m_localeConfig);
 
         // watch for changes to locale config, to update 12/24 hour time
-        connect(m_localeConfigWatcher.data(), &KConfigWatcher::configChanged, this, [this](const KConfigGroup &group, const QByteArrayList &names) -> void {
+        connect(m_localeConfigWatcher.data(), &KConfigWatcher::configChanged, this, [this](const KConfigGroup &group) -> void {
             if (group.name() == "Locale") {
                 // we have to reparse for new changes (from system settings)
                 m_localeConfig->reparseConfiguration();
diff --git a/components/quicksettingsplugin/quicksettingsconfig.cpp b/components/quicksettingsplugin/quicksettingsconfig.cpp
index cc3c4991..1aba34da 100644
--- a/components/quicksettingsplugin/quicksettingsconfig.cpp
+++ b/components/quicksettingsplugin/quicksettingsconfig.cpp
@@ -17,7 +17,7 @@ QuickSettingsConfig::QuickSettingsConfig(QObject *parent)
 {
     m_configWatcher = KConfigWatcher::create(m_config);
 
-    connect(m_configWatcher.data(), &KConfigWatcher::configChanged, this, [this](const KConfigGroup &group, const QByteArrayList &names) -> void {
+    connect(m_configWatcher.data(), &KConfigWatcher::configChanged, this, [this](const KConfigGroup &group) -> void {
         if (group.name() == QUICKSETTINGS_CONFIG_GROUP) {
             Q_EMIT enabledQuickSettingsChanged();
             Q_EMIT disabledQuickSettingsChanged();
diff --git a/components/wallpaperimageplugin/wallpaperplugin.cpp b/components/wallpaperimageplugin/wallpaperplugin.cpp
index f9d10952..4a24aafd 100644
--- a/components/wallpaperimageplugin/wallpaperplugin.cpp
+++ b/components/wallpaperimageplugin/wallpaperplugin.cpp
@@ -38,7 +38,7 @@ WallpaperPlugin::WallpaperPlugin(QObject *parent)
         qWarning() << "Could not connect to dbus service org.kde.plasmashell to listen to wallpaperChanged";
     }
 
-    connect(m_lockscreenConfigWatcher.data(), &KConfigWatcher::configChanged, this, [this](const KConfigGroup &group, const QByteArrayList &names) {
+    connect(m_lockscreenConfigWatcher.data(), &KConfigWatcher::configChanged, this, [this](const KConfigGroup &group) {
         loadLockscreenSettings();
     });
 
diff --git a/containments/homescreens/folio/folioapplicationfolder.cpp b/containments/homescreens/folio/folioapplicationfolder.cpp
index 6156f451..581a67ee 100644
--- a/containments/homescreens/folio/folioapplicationfolder.cpp
+++ b/containments/homescreens/folio/folioapplicationfolder.cpp
@@ -151,7 +151,7 @@ ApplicationFolderModel::ApplicationFolderModel(FolioApplicationFolder *folder)
     });
 }
 
-int ApplicationFolderModel::rowCount(const QModelIndex &parent) const
+int ApplicationFolderModel::rowCount(const QModelIndex & /*parent*/) const
 {
     return m_folder->m_delegates.size();
 }
diff --git a/containments/homescreens/halcyon/plugin/applicationfolder.cpp b/containments/homescreens/halcyon/plugin/applicationfolder.cpp
index 914e78f2..a04dc3e4 100644
--- a/containments/homescreens/halcyon/plugin/applicationfolder.cpp
+++ b/containments/homescreens/halcyon/plugin/applicationfolder.cpp
@@ -115,7 +115,7 @@ ApplicationFolderModel::ApplicationFolderModel(ApplicationFolder *folder)
 {
 }
 
-int ApplicationFolderModel::rowCount(const QModelIndex &parent) const
+int ApplicationFolderModel::rowCount(const QModelIndex & /*parent*/) const
 {
     return m_folder->m_applications.size();
 }