diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/AppNotificationManager.kt b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/AppNotificationManager.kt
index e276df0c..da8d094c 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/AppNotificationManager.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/AppNotificationManager.kt
@@ -74,7 +74,7 @@ class AppNotificationManager @Inject constructor(
         student: Student
     ) {
         val notificationType = groupNotificationData.type
-        val groupType = notificationType.group ?: return
+        val groupType = notificationType.channel
         val group = "${groupType}_${student.id}"
 
         sendSummaryNotification(groupNotificationData, group, student)
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NotificationType.kt b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NotificationType.kt
index af79fcd2..023ae2e4 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NotificationType.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/notifications/NotificationType.kt
@@ -14,72 +14,58 @@ import io.github.wulkanowy.services.sync.channels.PushChannel
 import io.github.wulkanowy.services.sync.channels.TimetableChangeChannel
 
 enum class NotificationType(
-    val group: String?,
     val channel: String,
     val icon: Int
 ) {
     NEW_CONFERENCE(
-        group = "new_conferences_group",
         channel = NewConferencesChannel.CHANNEL_ID,
         icon = R.drawable.ic_more_conferences,
     ),
     NEW_EXAM(
-        group = "new_exam_group",
         channel = NewExamChannel.CHANNEL_ID,
         icon = R.drawable.ic_main_exam
     ),
     NEW_GRADE_DETAILS(
-        group = "new_grade_details_group",
         channel = NewGradesChannel.CHANNEL_ID,
         icon = R.drawable.ic_stat_grade,
     ),
     NEW_GRADE_PREDICTED(
-        group = "new_grade_predicted_group",
         channel = NewGradesChannel.CHANNEL_ID,
         icon = R.drawable.ic_stat_grade,
     ),
     NEW_GRADE_FINAL(
-        group = "new_grade_final_group",
         channel = NewGradesChannel.CHANNEL_ID,
         icon = R.drawable.ic_stat_grade,
     ),
     NEW_HOMEWORK(
-        group = "new_homework_group",
         channel = NewHomeworkChannel.CHANNEL_ID,
         icon = R.drawable.ic_more_homework,
     ),
     NEW_LUCKY_NUMBER(
-        group = null,
         channel = LuckyNumberChannel.CHANNEL_ID,
         icon = R.drawable.ic_stat_luckynumber,
     ),
     NEW_MESSAGE(
-        group = "new_message_group",
         channel = NewMessagesChannel.CHANNEL_ID,
         icon = R.drawable.ic_stat_message,
     ),
     NEW_NOTE(
-        group = "new_notes_group",
         channel = NewNotesChannel.CHANNEL_ID,
         icon = R.drawable.ic_stat_note
     ),
     NEW_ANNOUNCEMENT(
-        group = "new_school_announcements_group",
         channel = NewSchoolAnnouncementsChannel.CHANNEL_ID,
         icon = R.drawable.ic_all_about
     ),
     CHANGE_TIMETABLE(
-        group = "change_timetable_group",
         channel = TimetableChangeChannel.CHANNEL_ID,
         icon = R.drawable.ic_main_timetable
     ),
     NEW_ATTENDANCE(
-        group = "new_attendance_group",
         channel = NewAttendanceChannel.CHANNEL_ID,
         icon = R.drawable.ic_main_attendance
     ),
     PUSH(
-        group = null,
         channel = PushChannel.CHANNEL_ID,
         icon = R.drawable.ic_stat_all
     )