diff --git a/lib/legacy/scene-trigger.cpp b/lib/legacy/scene-trigger.cpp
index ff45c021..50a998ab 100644
--- a/lib/legacy/scene-trigger.cpp
+++ b/lib/legacy/scene-trigger.cpp
@@ -22,7 +22,7 @@ void AdvSceneSwitcher::on_triggerAdd_clicked()
 	listAddClicked(ui->sceneTriggers,
 		       new SceneTriggerWidget(this,
 					      &switcher->sceneTriggers.back()),
-		       ui->triggerAdd, addPulse);
+		       addPulse);
 
 	ui->triggerHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-audio.cpp b/lib/legacy/switch-audio.cpp
index 489daf0e..aca24b86 100644
--- a/lib/legacy/switch-audio.cpp
+++ b/lib/legacy/switch-audio.cpp
@@ -22,7 +22,7 @@ void AdvSceneSwitcher::on_audioAdd_clicked()
 	AudioSwitchWidget *sw =
 		new AudioSwitchWidget(this, &switcher->audioSwitches.back());
 
-	listAddClicked(ui->audioSwitches, sw, ui->audioAdd, addPulse);
+	listAddClicked(ui->audioSwitches, sw, addPulse);
 
 	ui->audioHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-executable.cpp b/lib/legacy/switch-executable.cpp
index 59ff1671..96e06e7b 100644
--- a/lib/legacy/switch-executable.cpp
+++ b/lib/legacy/switch-executable.cpp
@@ -19,7 +19,7 @@ void AdvSceneSwitcher::on_executableAdd_clicked()
 	listAddClicked(ui->executables,
 		       new ExecutableSwitchWidget(
 			       this, &switcher->executableSwitches.back()),
-		       ui->executableAdd, addPulse);
+		       addPulse);
 
 	ui->exeHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-file.cpp b/lib/legacy/switch-file.cpp
index 617a851f..5d069bf3 100644
--- a/lib/legacy/switch-file.cpp
+++ b/lib/legacy/switch-file.cpp
@@ -291,7 +291,7 @@ void AdvSceneSwitcher::on_fileAdd_clicked()
 	listAddClicked(ui->fileSwitches,
 		       new FileSwitchWidget(this,
 					    &switcher->fileSwitches.back()),
-		       ui->fileAdd, addPulse);
+		       addPulse);
 
 	ui->fileHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-media.cpp b/lib/legacy/switch-media.cpp
index 29e61f80..956fa0dc 100644
--- a/lib/legacy/switch-media.cpp
+++ b/lib/legacy/switch-media.cpp
@@ -22,7 +22,7 @@ void AdvSceneSwitcher::on_mediaAdd_clicked()
 	listAddClicked(ui->mediaSwitches,
 		       new MediaSwitchWidget(this,
 					     &switcher->mediaSwitches.back()),
-		       ui->mediaAdd, addPulse);
+		       addPulse);
 
 	ui->mediaHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-pause.cpp b/lib/legacy/switch-pause.cpp
index 324fba9d..a10d360d 100644
--- a/lib/legacy/switch-pause.cpp
+++ b/lib/legacy/switch-pause.cpp
@@ -20,7 +20,7 @@ void AdvSceneSwitcher::on_pauseAdd_clicked()
 	listAddClicked(ui->pauseEntries,
 		       new PauseEntryWidget(this,
 					    &switcher->pauseEntries.back()),
-		       ui->pauseAdd, addPulse);
+		       addPulse);
 
 	ui->pauseHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-random.cpp b/lib/legacy/switch-random.cpp
index 1a3d35ed..ecb8ab17 100644
--- a/lib/legacy/switch-random.cpp
+++ b/lib/legacy/switch-random.cpp
@@ -19,7 +19,7 @@ void AdvSceneSwitcher::on_randomAdd_clicked()
 	listAddClicked(ui->randomSwitches,
 		       new RandomSwitchWidget(this,
 					      &switcher->randomSwitches.back()),
-		       ui->randomAdd, addPulse);
+		       addPulse);
 
 	ui->randomHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-screen-region.cpp b/lib/legacy/switch-screen-region.cpp
index 24c6cfaf..9ca70820 100644
--- a/lib/legacy/switch-screen-region.cpp
+++ b/lib/legacy/switch-screen-region.cpp
@@ -79,7 +79,7 @@ void AdvSceneSwitcher::on_screenRegionAdd_clicked()
 	listAddClicked(ui->screenRegionSwitches,
 		       new ScreenRegionWidget(
 			       this, &switcher->screenRegionSwitches.back()),
-		       ui->screenRegionAdd, addPulse);
+		       addPulse);
 
 	ui->regionHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-sequence.cpp b/lib/legacy/switch-sequence.cpp
index 62ad2964..c0bdb1d4 100644
--- a/lib/legacy/switch-sequence.cpp
+++ b/lib/legacy/switch-sequence.cpp
@@ -26,7 +26,7 @@ void AdvSceneSwitcher::on_sceneSequenceAdd_clicked()
 	listAddClicked(ui->sceneSequenceSwitches,
 		       new SequenceWidget(
 			       this, &switcher->sceneSequenceSwitches.back()),
-		       ui->sceneSequenceAdd, addPulse);
+		       addPulse);
 
 	ui->sequenceHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-time.cpp b/lib/legacy/switch-time.cpp
index 2a3154e7..9b9d11b8 100644
--- a/lib/legacy/switch-time.cpp
+++ b/lib/legacy/switch-time.cpp
@@ -17,7 +17,7 @@ void AdvSceneSwitcher::on_timeAdd_clicked()
 	listAddClicked(ui->timeSwitches,
 		       new TimeSwitchWidget(this,
 					    &switcher->timeSwitches.back()),
-		       ui->timeAdd, addPulse);
+		       addPulse);
 
 	ui->timeHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-video.cpp b/lib/legacy/switch-video.cpp
index 8064390c..453aca44 100644
--- a/lib/legacy/switch-video.cpp
+++ b/lib/legacy/switch-video.cpp
@@ -24,7 +24,7 @@ void AdvSceneSwitcher::on_videoAdd_clicked()
 	VideoSwitchWidget *sw =
 		new VideoSwitchWidget(this, &switcher->videoSwitches.back());
 
-	listAddClicked(ui->videoSwitches, sw, ui->videoAdd, addPulse);
+	listAddClicked(ui->videoSwitches, sw, addPulse);
 
 	ui->videoHelp->setVisible(false);
 }
diff --git a/lib/legacy/switch-window.cpp b/lib/legacy/switch-window.cpp
index 87199409..e6406de1 100644
--- a/lib/legacy/switch-window.cpp
+++ b/lib/legacy/switch-window.cpp
@@ -21,7 +21,7 @@ void AdvSceneSwitcher::on_windowAdd_clicked()
 	listAddClicked(ui->windowSwitches,
 		       new WindowSwitchWidget(this,
 					      &switcher->windowSwitches.back()),
-		       ui->windowAdd, addPulse);
+		       addPulse);
 
 	ui->windowHelp->setVisible(false);
 }
diff --git a/lib/macro/macro-input.cpp b/lib/macro/macro-input.cpp
index 2d7488d0..80e65458 100644
--- a/lib/macro/macro-input.cpp
+++ b/lib/macro/macro-input.cpp
@@ -92,7 +92,7 @@ void MacroInputSelection::SetInputs(const MacroInputVariables &inputs)
 void MacroInputSelection::Add()
 {
 	std::string varName;
-	bool accepted = VariableSelectionDialog::AskForVariable(this, varName);
+	bool accepted = VariableSelectionDialog::AskForVariable(varName);
 
 	if (!accepted || varName.empty()) {
 		return;
@@ -155,7 +155,7 @@ void MacroInputSelection::Down()
 void MacroInputSelection::Clicked(QListWidgetItem *item)
 {
 	std::string varName;
-	bool accepted = VariableSelectionDialog::AskForVariable(this, varName);
+	bool accepted = VariableSelectionDialog::AskForVariable(varName);
 
 	if (!accepted || varName.empty()) {
 		return;
diff --git a/lib/macro/macro-list.cpp b/lib/macro/macro-list.cpp
index 49a5ad9c..7625b354 100644
--- a/lib/macro/macro-list.cpp
+++ b/lib/macro/macro-list.cpp
@@ -79,7 +79,7 @@ void MacroList::MacroRemove(const QString &name)
 void MacroList::Add()
 {
 	std::string macroName;
-	bool accepted = MacroSelectionDialog::AskForMacro(this, macroName);
+	bool accepted = MacroSelectionDialog::AskForMacro(macroName);
 
 	if (!accepted || macroName.empty()) {
 		return;
@@ -132,7 +132,7 @@ void MacroList::Down()
 void MacroList::Clicked(QListWidgetItem *item)
 {
 	std::string macroName;
-	bool accepted = MacroSelectionDialog::AskForMacro(this, macroName);
+	bool accepted = MacroSelectionDialog::AskForMacro(macroName);
 
 	if (!accepted || macroName.empty()) {
 		return;
diff --git a/lib/macro/macro-selection.cpp b/lib/macro/macro-selection.cpp
index 179b2fc5..739e039e 100644
--- a/lib/macro/macro-selection.cpp
+++ b/lib/macro/macro-selection.cpp
@@ -126,7 +126,7 @@ MacroSelectionDialog::MacroSelectionDialog(QWidget *parent)
 	setLayout(layout);
 }
 
-bool MacroSelectionDialog::AskForMacro(QWidget *parent, std::string &macroName)
+bool MacroSelectionDialog::AskForMacro(std::string &macroName)
 {
 	MacroSelectionDialog dialog(GetSettingsWindow());
 	dialog.setWindowTitle(obs_module_text("AdvSceneSwitcher.windowTitle"));
diff --git a/lib/macro/macro-selection.hpp b/lib/macro/macro-selection.hpp
index f7a4fb12..4e23c84b 100644
--- a/lib/macro/macro-selection.hpp
+++ b/lib/macro/macro-selection.hpp
@@ -28,7 +28,7 @@ class MacroSelectionDialog : public QDialog {
 
 public:
 	MacroSelectionDialog(QWidget *parent);
-	static bool AskForMacro(QWidget *parent, std::string &macroName);
+	static bool AskForMacro(std::string &macroName);
 
 private:
 	MacroSelection *_macroSelection;
diff --git a/lib/utils/utility.cpp b/lib/utils/utility.cpp
index 791284b4..82e7dd7e 100644
--- a/lib/utils/utility.cpp
+++ b/lib/utils/utility.cpp
@@ -76,7 +76,7 @@ std::string ToString(double value)
 }
 
 void listAddClicked(QListWidget *list, QWidget *newWidget,
-		    QPushButton *addButton, QObject *addHighlight)
+		    QObject *addHighlight)
 {
 	if (!list || !newWidget) {
 		return;
diff --git a/lib/utils/utility.hpp b/lib/utils/utility.hpp
index baa763c3..53ad44ce 100644
--- a/lib/utils/utility.hpp
+++ b/lib/utils/utility.hpp
@@ -23,7 +23,6 @@ std::string ToString(double value);
 /* Legacy helpers */
 
 void listAddClicked(QListWidget *list, QWidget *newWidget,
-		    QPushButton *addButton = nullptr,
 		    QObject *addHighlight = nullptr);
 bool listMoveUp(QListWidget *list);
 bool listMoveDown(QListWidget *list);
diff --git a/lib/variables/variable.cpp b/lib/variables/variable.cpp
index 5ea0942a..565d5711 100644
--- a/lib/variables/variable.cpp
+++ b/lib/variables/variable.cpp
@@ -300,8 +300,7 @@ VariableSelectionDialog::VariableSelectionDialog(QWidget *parent)
 
 QWidget *GetSettingsWindow();
 
-bool VariableSelectionDialog::AskForVariable(QWidget *parent,
-					     std::string &varName)
+bool VariableSelectionDialog::AskForVariable(std::string &varName)
 {
 	VariableSelectionDialog dialog(GetSettingsWindow());
 	dialog.setWindowTitle(obs_module_text("AdvSceneSwitcher.windowTitle"));
diff --git a/lib/variables/variable.hpp b/lib/variables/variable.hpp
index 1f45e71b..669b7d6e 100644
--- a/lib/variables/variable.hpp
+++ b/lib/variables/variable.hpp
@@ -89,7 +89,7 @@ class VariableSelectionDialog : public QDialog {
 
 public:
 	VariableSelectionDialog(QWidget *parent);
-	static bool AskForVariable(QWidget *parent, std::string &variableName);
+	static bool AskForVariable(std::string &variableName);
 
 private:
 	VariableSelection *_variableSelection;
diff --git a/plugins/base/utils/transform-setting.cpp b/plugins/base/utils/transform-setting.cpp
index 153e68a8..2d603010 100644
--- a/plugins/base/utils/transform-setting.cpp
+++ b/plugins/base/utils/transform-setting.cpp
@@ -84,8 +84,8 @@ GetTransformSettingValue(obs_scene_item *source,
 }
 
 template<class T>
-static void logConversionError(T exception, const char *func,
-			       const char *target, const char *value)
+static void logConversionError(T, const char *func, const char *target,
+			       const char *value)
 {
 	if (std::is_same<T, std::invalid_argument>::value) {
 		blog(LOG_WARNING, "%s invalid %s value (%s)", func, target,
diff --git a/plugins/twitch/macro-condition-twitch.cpp b/plugins/twitch/macro-condition-twitch.cpp
index ccb2339c..155ce73b 100644
--- a/plugins/twitch/macro-condition-twitch.cpp
+++ b/plugins/twitch/macro-condition-twitch.cpp
@@ -285,7 +285,7 @@ setTempVarsHelper(obs_data_t *data,
 	setTempVarsHelper(jsonStr, setVar);
 }
 
-bool MacroConditionTwitch::CheckChannelGenericEvents(TwitchToken &token)
+bool MacroConditionTwitch::CheckChannelGenericEvents()
 {
 	if (!_eventBuffer) {
 		return false;
@@ -315,7 +315,7 @@ bool MacroConditionTwitch::CheckChannelGenericEvents(TwitchToken &token)
 	return false;
 }
 
-bool MacroConditionTwitch::CheckChannelLiveEvents(TwitchToken &token)
+bool MacroConditionTwitch::CheckChannelLiveEvents()
 {
 	if (!_eventBuffer) {
 		return false;
@@ -541,13 +541,13 @@ bool MacroConditionTwitch::CheckCondition()
 	case Condition::USER_UNBAN_EVENT:
 	case Condition::USER_MODERATOR_ADDITION_EVENT:
 	case Condition::USER_MODERATOR_DELETION_EVENT:
-		return CheckChannelGenericEvents(*token);
+		return CheckChannelGenericEvents();
 	case Condition::STREAM_ONLINE_LIVE_EVENT:
 	case Condition::STREAM_ONLINE_PLAYLIST_EVENT:
 	case Condition::STREAM_ONLINE_WATCHPARTY_EVENT:
 	case Condition::STREAM_ONLINE_PREMIERE_EVENT:
 	case Condition::STREAM_ONLINE_RERUN_EVENT:
-		return CheckChannelLiveEvents(*token);
+		return CheckChannelLiveEvents();
 	case Condition::LIVE_POLLING: {
 		auto info = _channel.GetLiveInfo(*token);
 		if (!info) {
diff --git a/plugins/twitch/macro-condition-twitch.hpp b/plugins/twitch/macro-condition-twitch.hpp
index 29487c8d..3d5c0180 100644
--- a/plugins/twitch/macro-condition-twitch.hpp
+++ b/plugins/twitch/macro-condition-twitch.hpp
@@ -107,8 +107,8 @@ public:
 	bool _clearBufferOnMatch = false;
 
 private:
-	bool CheckChannelGenericEvents(TwitchToken &token);
-	bool CheckChannelLiveEvents(TwitchToken &token);
+	bool CheckChannelGenericEvents();
+	bool CheckChannelLiveEvents();
 	bool CheckChatMessages(TwitchToken &token);
 
 	void RegisterEventSubscription();
diff --git a/plugins/usb/usb-helpers.cpp b/plugins/usb/usb-helpers.cpp
index 80190584..9bd0010d 100644
--- a/plugins/usb/usb-helpers.cpp
+++ b/plugins/usb/usb-helpers.cpp
@@ -103,7 +103,7 @@ static std::vector<USBDeviceInfo> pollUSBDevices()
 	return result;
 }
 
-static int hotplugCallback(struct libusb_context *ctx,
+static int hotplugCallback(struct libusb_context *,
 			   struct libusb_device *device,
 			   libusb_hotplug_event event, void *user_data)
 {