diff --git a/src/overlay/config/configuration_data_versions.h b/src/overlay/config/configuration_data_versions.h
index a8b45ab..4a464ec 100644
--- a/src/overlay/config/configuration_data_versions.h
+++ b/src/overlay/config/configuration_data_versions.h
@@ -99,21 +99,20 @@ namespace spacecal {
                 struct Calibration_t {
                     bool is_active = false;
 
-                    Transform ref_to_target_transform; // @TODO: redundant?
                     Transform calibrated_transform;
 
-                    Transform anchor_transform; // @TODO: redundant?
                     AnchorMode anchor_mode = AnchorMode::FixedWorld;
                     ContinuousCalibrationData continuous;
 
+                    bool calibrate_motion_vectors = false;
                     uint64_t calibration_speed = 0;
-                    std::string hmd_tracking_system; // @TODO: redundant?
 
                     TrackingDevice reference_device;
                     TrackingDevice target_device;
                 };
 
-                std::string uiLocale = "system";
+                std::string ui_locale = "system";
+                bool advanced_settings = false;
 
                 std::vector<Calibration_t> calibrations;
             };
diff --git a/src/overlay/localisation.cpp b/src/overlay/localisation.cpp
index 3ff26cb..911cc99 100644
--- a/src/overlay/localisation.cpp
+++ b/src/overlay/localisation.cpp
@@ -58,7 +58,7 @@ namespace spacecal {
         m_nativeLanguageNames.clear();
 
         // config will be valid by this point, so we can read it
-        m_selectedLocale = getLocaleFromRegionString(ConfigurationManager::getInstance()->getConfiguration()->uiLocale);
+        m_selectedLocale = getLocaleFromRegionString(ConfigurationManager::getInstance()->getConfiguration()->ui_locale);
         if (m_selectedLocale == Locale::System) {
             m_selectedLocale = estimateSystemLocale();
         }
diff --git a/src/overlay/user_interface.cpp b/src/overlay/user_interface.cpp
index 9d3b8ab..7397177 100644
--- a/src/overlay/user_interface.cpp
+++ b/src/overlay/user_interface.cpp
@@ -483,7 +483,7 @@ namespace spacecal {
         ImGui::TextUnformatted(LOCALE_GET("settings_locale").c_str());
         ImGui::SameLine();
 
-        std::string& szLocale = ConfigurationManager::getInstance()->getConfiguration()->uiLocale;
+        std::string& szLocale = ConfigurationManager::getInstance()->getConfiguration()->ui_locale;
         Locale eLocale = LocalisationManager::getInstance()->getLocaleFromRegionString(szLocale);
         std::string selectedLocaleNativeName = LocalisationManager::getInstance()->getNativeTongueLocaleName(eLocale);