diff --git a/common/src/main/java/de/nicidienase/chaosflix/common/eventimport/FahrplanLecture.kt b/common/src/main/java/de/nicidienase/chaosflix/common/eventimport/FahrplanLecture.kt
index de7ba99f..496118f5 100644
--- a/common/src/main/java/de/nicidienase/chaosflix/common/eventimport/FahrplanLecture.kt
+++ b/common/src/main/java/de/nicidienase/chaosflix/common/eventimport/FahrplanLecture.kt
@@ -1,35 +1,10 @@
 package de.nicidienase.chaosflix.common.eventimport
 
-import com.google.gson.annotations.SerializedName
-
 data class FahrplanLecture(
-    var lectureId: String = "",
+    var lectureId: String? = null,
     var title: String,
-    var subtitle: String = "",
-    var day: Int = 0,
-    var room: String? = null,
-    var slug: String? = null,
-    var url: String? = null,
-    var startTime: Int = 0,
-    var duration: Int = 0,
-    var speakers: String? = null,
-    var track: String? = null,
-    var type: String? = null,
-    var lang: String? = null,
-    @SerializedName("abstractt")
-    var abstract: String = "",
-    var description: String = "",
-    var relStartTime: Int = 0,
+    var subtitle: String? = null,
     var links: String? = null,
-    var date: String? = null,
-    var dateUTC: Long = 0,
-    var roomIndex: Int = 0,
-    var recordingLicense: String? = null,
-    var recordingOptOut: Boolean = false
-) {
-
-    companion object {
-        val RECORDING_OPTOUT_ON = true
-        val RECORDING_OPTOUT_OFF = false
-    }
-}
+    var track: String? = null,
+    var description: String? = null
+)
\ No newline at end of file
diff --git a/common/src/main/java/de/nicidienase/chaosflix/common/viewmodel/FavoritesImportViewModel.kt b/common/src/main/java/de/nicidienase/chaosflix/common/viewmodel/FavoritesImportViewModel.kt
index 2198c0ae..08da012a 100644
--- a/common/src/main/java/de/nicidienase/chaosflix/common/viewmodel/FavoritesImportViewModel.kt
+++ b/common/src/main/java/de/nicidienase/chaosflix/common/viewmodel/FavoritesImportViewModel.kt
@@ -60,16 +60,16 @@ class FavoritesImportViewModel(
         }
     }
 
-    private suspend fun updateConferences(conference: String) {
+    private suspend fun updateConferences(conferenceName: String) {
         val fahrplanMappings = mappingService.getFahrplanMappings()
-        Log.d(TAG, "Updating conferences for $conference, mappings=$fahrplanMappings")
-        if (fahrplanMappings.containsKey(conference)) {
-            fahrplanMappings[conference]?.let { keys ->
-                for (conf in keys) {
-                    conferenceDao.findConferenceByAcronymSync(conf)?.let { conf ->
+        Log.d(TAG, "Updating conferences for $conferenceName, mappings=$fahrplanMappings")
+        if (fahrplanMappings.containsKey(conferenceName)) {
+            fahrplanMappings[conferenceName]?.let { keys ->
+                for (conferenceAcronym in keys) {
+                    conferenceDao.findConferenceByAcronymSync(conferenceAcronym)?.let { conference ->
                         val list =
-                            downloader.updateEventsForConferencesSuspending(conf)
-                        Log.d(TAG, "updated ${conf.acronym}, got ${list.size} events")
+                            downloader.updateEventsForConferencesSuspending(conference)
+                        Log.d(TAG, "updated ${conference.acronym}, got ${list.size} events")
                     }
                 }
             }