diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt
index 2f0793f99..f213767b8 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt
@@ -677,12 +677,16 @@ class EventActivity : SimpleActivity() {
 
     private fun deleteEvent() {
         DeleteEventDialog(this, arrayListOf(mEvent.id!!), mEvent.repeatInterval > 0) {
-            when (it) {
-                DELETE_SELECTED_OCCURRENCE -> dbHelper.addEventRepeatException(mEvent.id!!, mEventOccurrenceTS, true)
-                DELETE_FUTURE_OCCURRENCES -> dbHelper.addEventRepeatLimit(mEvent.id!!, mEventOccurrenceTS)
-                DELETE_ALL_OCCURRENCES -> dbHelper.deleteEvents(arrayOf(mEvent.id.toString()), true)
-            }
-            finish()
+            Thread {
+                when (it) {
+                    DELETE_SELECTED_OCCURRENCE -> dbHelper.addEventRepeatException(mEvent.id!!, mEventOccurrenceTS, true)
+                    DELETE_FUTURE_OCCURRENCES -> dbHelper.addEventRepeatLimit(mEvent.id!!, mEventOccurrenceTS)
+                    DELETE_ALL_OCCURRENCES -> dbHelper.deleteEvents(arrayOf(mEvent.id.toString()), true)
+                }
+                runOnUiThread {
+                    finish()
+                }
+            }.start()
         }
     }
 
diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/adapters/DayEventsAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/adapters/DayEventsAdapter.kt
index 416bc2248..52ed3e041 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/adapters/DayEventsAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/adapters/DayEventsAdapter.kt
@@ -142,12 +142,16 @@ class DayEventsAdapter(activity: SimpleActivity, val events: ArrayList<Event>, r
         DeleteEventDialog(activity, eventIds, hasRepeatableEvent) { it ->
             events.removeAll(eventsToDelete)
 
-            val nonRepeatingEventIDs = eventsToDelete.asSequence().filter { it.repeatInterval == 0 }.map { it.id.toString() }.toList().toTypedArray()
-            activity.dbHelper.deleteEvents(nonRepeatingEventIDs, true)
+            Thread {
+                val nonRepeatingEventIDs = eventsToDelete.asSequence().filter { it.repeatInterval == 0 }.map { it.id.toString() }.toList().toTypedArray()
+                activity.dbHelper.deleteEvents(nonRepeatingEventIDs, true)
 
-            val repeatingEventIDs = eventsToDelete.asSequence().filter { it.repeatInterval != 0 }.map { it.id!! }.toList()
-            activity.handleEventDeleting(repeatingEventIDs, timestamps, it)
-            removeSelectedItems(positions)
+                val repeatingEventIDs = eventsToDelete.asSequence().filter { it.repeatInterval != 0 }.map { it.id!! }.toList()
+                activity.handleEventDeleting(repeatingEventIDs, timestamps, it)
+                activity.runOnUiThread {
+                    removeSelectedItems(positions)
+                }
+            }.start()
         }
     }
 }
diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/adapters/EventListAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/adapters/EventListAdapter.kt
index 77634f56e..f1c8a7820 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/adapters/EventListAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/adapters/EventListAdapter.kt
@@ -206,13 +206,17 @@ class EventListAdapter(activity: SimpleActivity, var listItems: ArrayList<ListIt
         DeleteEventDialog(activity, eventIds, hasRepeatableEvent) {
             listItems.removeAll(eventsToDelete)
 
-            val nonRepeatingEventIDs = eventsToDelete.filter { !it.isRepeatable }.map { it.id.toString() }.toTypedArray()
-            activity.dbHelper.deleteEvents(nonRepeatingEventIDs, true)
+            Thread {
+                val nonRepeatingEventIDs = eventsToDelete.filter { !it.isRepeatable }.map { it.id.toString() }.toTypedArray()
+                activity.dbHelper.deleteEvents(nonRepeatingEventIDs, true)
 
-            val repeatingEventIDs = eventsToDelete.filter { it.isRepeatable }.map { it.id }
-            activity.handleEventDeleting(repeatingEventIDs, timestamps, it)
-            listener?.refreshItems()
-            finishActMode()
+                val repeatingEventIDs = eventsToDelete.filter { it.isRepeatable }.map { it.id }
+                activity.handleEventDeleting(repeatingEventIDs, timestamps, it)
+                activity.runOnUiThread {
+                    listener?.refreshItems()
+                    finishActMode()
+                }
+            }.start()
         }
     }
 }