diff --git a/app/src/main/kotlin/at/bitfire/davdroid/syncadapter/PeriodicSyncWorker.kt b/app/src/main/kotlin/at/bitfire/davdroid/syncadapter/PeriodicSyncWorker.kt
index 0d3533741..db211db84 100644
--- a/app/src/main/kotlin/at/bitfire/davdroid/syncadapter/PeriodicSyncWorker.kt
+++ b/app/src/main/kotlin/at/bitfire/davdroid/syncadapter/PeriodicSyncWorker.kt
@@ -8,7 +8,15 @@ import android.accounts.Account
 import android.content.Context
 import android.provider.CalendarContract
 import androidx.hilt.work.HiltWorker
-import androidx.work.*
+import androidx.work.Constraints
+import androidx.work.Data
+import androidx.work.ExistingPeriodicWorkPolicy
+import androidx.work.NetworkType
+import androidx.work.Operation
+import androidx.work.PeriodicWorkRequestBuilder
+import androidx.work.WorkManager
+import androidx.work.Worker
+import androidx.work.WorkerParameters
 import at.bitfire.davdroid.log.Logger
 import at.bitfire.davdroid.settings.AccountSettings
 import dagger.assisted.Assisted
@@ -95,23 +103,6 @@ class PeriodicSyncWorker @AssistedInject constructor(
             WorkManager.getInstance(context)
                 .cancelUniqueWork(workerName(account, authority))
 
-        /**
-         * Finds out whether the [PeriodicSyncWorker] is currently enqueued or running
-         *
-         * @param account       account to check
-         * @param authority     authority to check (for instance: [CalendarContract.AUTHORITY]])
-         * @return boolean      whether the [PeriodicSyncWorker] is running or enqueued
-         */
-        fun isEnabled(context: Context, account: Account, authority: String): Boolean =
-            WorkManager.getInstance(context)
-                .getWorkInfos(
-                    WorkQuery.Builder
-                        .fromTags(listOf(workerName(account, authority)))
-                        .addStates(listOf(WorkInfo.State.ENQUEUED, WorkInfo.State.RUNNING))
-                        .build()
-                ).get()
-                .isNotEmpty()
-
     }
 
     override fun doWork(): Result {
diff --git a/app/src/main/kotlin/at/bitfire/davdroid/ui/DebugInfoActivity.kt b/app/src/main/kotlin/at/bitfire/davdroid/ui/DebugInfoActivity.kt
index 5d80dd1a5..3fafc9f23 100644
--- a/app/src/main/kotlin/at/bitfire/davdroid/ui/DebugInfoActivity.kt
+++ b/app/src/main/kotlin/at/bitfire/davdroid/ui/DebugInfoActivity.kt
@@ -16,6 +16,7 @@ import android.net.Uri
 import android.os.*
 import android.provider.CalendarContract
 import android.provider.ContactsContract
+import android.text.format.DateUtils
 import android.view.View
 import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
@@ -624,7 +625,7 @@ class DebugInfoActivity : AppCompatActivity() {
         }
 
         private fun dumpAccount(account: Account, infos: Iterable<AccountDumpInfo>): String {
-            val table = TextTable("Authority", "getIsSyncable", "getSyncAutomatically", "PeriodicSyncWorker", "Interval", "Entries")
+            val table = TextTable("Authority", "isSyncable", "syncAutomatically", "Interval", "Entries")
             for (info in infos) {
                 var nrEntries = "—"
                 var client: ContentProviderClient? = null
@@ -647,7 +648,6 @@ class DebugInfoActivity : AppCompatActivity() {
                     info.authority,
                     ContentResolver.getIsSyncable(account, info.authority),
                     ContentResolver.getSyncAutomatically(account, info.authority),  // content-triggered sync
-                    PeriodicSyncWorker.isEnabled(context, account, info.authority), // should always be false for address book accounts
                     accountSettings.getSyncInterval(info.authority)?.let {"${it/60} min"},
                     nrEntries
                 )
@@ -661,7 +661,7 @@ class DebugInfoActivity : AppCompatActivity() {
          * whether they exist one by one
          */
         private fun dumpSyncWorkersInfo(account: Account): String {
-            val table = TextTable("Tags", "Authority", "State", "Retries", "Generation", "ID")
+            val table = TextTable("Tags", "Authority", "State", "Next run", "Retries", "Generation", "Periodicity")
             listOf(
                 context.getString(R.string.address_books_authority),
                 CalendarContract.AUTHORITY,
@@ -677,12 +677,20 @@ class DebugInfoActivity : AppCompatActivity() {
                         WorkQuery.Builder.fromUniqueWorkNames(listOf(workerName)).build()
                     ).get().forEach { workInfo ->
                         table.addLine(
-                            workInfo.tags.map { StringUtils.removeStartIgnoreCase(it, SyncWorker::class.java.getPackage()!!.name + ".") },
+                            workInfo.tags.map { it.replace("\\bat\\.bitfire\\.davdroid\\.".toRegex(), ".") },
                             authority,
                             "${workInfo.state} (${workInfo.stopReason})",
+                            workInfo.nextScheduleTimeMillis.let { nextRun ->
+                                when (nextRun) {
+                                    Long.MAX_VALUE -> "—"
+                                    else -> DateUtils.getRelativeTimeSpanString(nextRun)
+                                }
+                            },
                             workInfo.runAttemptCount,
                             workInfo.generation,
-                            workInfo.id
+                            workInfo.periodicityInfo?.let { periodicity ->
+                                "every ${periodicity.repeatIntervalMillis/60000} min"
+                            } ?: "not periodic"
                         )
                     }
                 }