diff --git a/src/core/fullscreenui_settings.cpp b/src/core/fullscreenui_settings.cpp
index fe64b120c..7d6c06972 100644
--- a/src/core/fullscreenui_settings.cpp
+++ b/src/core/fullscreenui_settings.cpp
@@ -553,7 +553,7 @@ void FullscreenUI::BeginEffectBinding(SettingsInterface* bsi, InputBindingInfo::
 {
   // vibration motors use a list to select
   const bool game_settings = IsEditingGameSettings(bsi);
-  const InputManager::DeviceEffectList effects = InputManager::EnumerateDeviceEffects(type);
+  InputManager::DeviceEffectList effects = InputManager::EnumerateDeviceEffects(type);
   if (effects.empty())
   {
     ShowToast(OSDMessageType::Info, {}, FSUI_STR("No devices with vibration motors were detected."));
diff --git a/src/core/system.cpp b/src/core/system.cpp
index a17cc3c3e..1e2306687 100644
--- a/src/core/system.cpp
+++ b/src/core/system.cpp
@@ -1835,9 +1835,10 @@ bool System::BootSystem(SystemBootParameters parameters, Error* error)
   {
     if ((!parameters.save_state.empty() || !exe_override.empty()) && Achievements::IsHardcoreModeActive())
     {
-      Achievements::ConfirmHardcoreModeDisableAsync(parameters.save_state.empty() ?
-                                                      TRANSLATE_SV("Achievements", "Resuming state") :
-                                                      TRANSLATE_SV("Achievements", "Overriding executable"),
+      const std::string_view message = !parameters.save_state.empty() ?
+                                         TRANSLATE_SV("Achievements", "Resuming state") :
+                                         TRANSLATE_SV("Achievements", "Overriding executable");
+      Achievements::ConfirmHardcoreModeDisableAsync(message,
                                                     [parameters = std::move(parameters)](bool approved) mutable {
                                                       if (approved)
                                                       {
@@ -2331,7 +2332,7 @@ bool System::GetFramePresentationParameters(GPUBackendFramePresentationParameter
 
     if (cap->GetVideoFPS() != s_state.video_frame_rate) [[unlikely]]
     {
-      const std::string next_capture_path = cap->GetNextCapturePath();
+      std::string next_capture_path = cap->GetNextCapturePath();
       const u32 video_width = cap->GetVideoWidth();
       const u32 video_height = cap->GetVideoHeight();
       INFO_LOG("Video frame rate changed, switching to new capture file {}", Path::GetFileName(next_capture_path));
diff --git a/src/duckstation-qt/graphicssettingswidget.cpp b/src/duckstation-qt/graphicssettingswidget.cpp
index 7d5304fb6..8e8e9b46f 100644
--- a/src/duckstation-qt/graphicssettingswidget.cpp
+++ b/src/duckstation-qt/graphicssettingswidget.cpp
@@ -1050,7 +1050,7 @@ void GraphicsSettingsWidget::createAspectRatioSetting(QComboBox* const cb, QSpin
   separator->setVisible(is_custom_ar);
   denominator->setVisible(is_custom_ar);
 
-  const auto value_changed = [cb, numerator, separator, denominator, sif]() {
+  auto value_changed = [cb, numerator, separator, denominator, sif]() {
     std::optional<DisplayAspectRatio> value_to_save;
     const int index = cb->currentIndex();
     bool is_custom = false;
diff --git a/src/util/input_manager.cpp b/src/util/input_manager.cpp
index 373f025d2..61019e6c2 100644
--- a/src/util/input_manager.cpp
+++ b/src/util/input_manager.cpp
@@ -154,7 +154,7 @@ static void UpdateContinuedVibration();
 static void InternalPauseVibration();
 static void InternalClearEffects();
 static void GenerateRelativeMouseEvents();
-static void ReloadDevices();
+[[maybe_unused]] static void ReloadDevices();
 
 static bool DoEventHook(InputBindingKey key, float value);
 static bool PreprocessEvent(InputBindingKey key, float value, GenericInputBinding generic_key);