diff --git a/beacon-chain/slasher/service.go b/beacon-chain/slasher/service.go
index 97b2816837..c1eae5908b 100644
--- a/beacon-chain/slasher/service.go
+++ b/beacon-chain/slasher/service.go
@@ -57,8 +57,10 @@ type Service struct {
 	blksQueue              *blocksQueue
 	ctx                    context.Context
 	cancel                 context.CancelFunc
-	slotTicker             *slots.SlotTicker
 	genesisTime            time.Time
+	attsSlotTicker         *slots.SlotTicker
+	blocksSlotTicker       *slots.SlotTicker
+	pruningSlotTicker      *slots.SlotTicker
 }
 
 // New instantiates a new slasher from configuration values.
@@ -113,26 +115,34 @@ func (s *Service) run() {
 	}
 
 	stateSub.Unsubscribe()
-	secondsPerSlot := params.BeaconConfig().SecondsPerSlot
-	s.slotTicker = slots.NewSlotTicker(s.genesisTime, secondsPerSlot)
-
 	s.waitForSync(s.genesisTime)
 
 	indexedAttsChan := make(chan *ethpb.IndexedAttestation, 1)
 	beaconBlockHeadersChan := make(chan *ethpb.SignedBeaconBlockHeader, 1)
 	log.Info("Completed chain sync, starting slashing detection")
-	go s.processQueuedAttestations(s.ctx, s.slotTicker.C())
-	go s.processQueuedBlocks(s.ctx, s.slotTicker.C())
 	go s.receiveAttestations(s.ctx, indexedAttsChan)
 	go s.receiveBlocks(s.ctx, beaconBlockHeadersChan)
-	go s.pruneSlasherData(s.ctx, s.slotTicker.C())
+
+	secondsPerSlot := params.BeaconConfig().SecondsPerSlot
+	s.attsSlotTicker = slots.NewSlotTicker(s.genesisTime, secondsPerSlot)
+	s.blocksSlotTicker = slots.NewSlotTicker(s.genesisTime, secondsPerSlot)
+	s.pruningSlotTicker = slots.NewSlotTicker(s.genesisTime, secondsPerSlot)
+	go s.processQueuedAttestations(s.ctx, s.attsSlotTicker.C())
+	go s.processQueuedBlocks(s.ctx, s.blocksSlotTicker.C())
+	go s.pruneSlasherData(s.ctx, s.pruningSlotTicker.C())
 }
 
 // Stop the slasher service.
 func (s *Service) Stop() error {
 	s.cancel()
-	if s.slotTicker != nil {
-		s.slotTicker.Done()
+	if s.attsSlotTicker != nil {
+		s.attsSlotTicker.Done()
+	}
+	if s.blocksSlotTicker != nil {
+		s.blocksSlotTicker.Done()
+	}
+	if s.pruningSlotTicker != nil {
+		s.pruningSlotTicker.Done()
 	}
 	return nil
 }
@@ -146,9 +156,11 @@ func (s *Service) waitForSync(genesisTime time.Time) {
 	if slots.SinceGenesis(genesisTime) == 0 || !s.serviceCfg.SyncChecker.Syncing() {
 		return
 	}
+	slotTicker := slots.NewSlotTicker(s.genesisTime, params.BeaconConfig().SecondsPerSlot)
+	defer slotTicker.Done()
 	for {
 		select {
-		case <-s.slotTicker.C():
+		case <-slotTicker.C():
 			// If node is still syncing, do not operate slasher.
 			if s.serviceCfg.SyncChecker.Syncing() {
 				continue
diff --git a/beacon-chain/slasher/service_test.go b/beacon-chain/slasher/service_test.go
index ee96e57fa3..c775006d01 100644
--- a/beacon-chain/slasher/service_test.go
+++ b/beacon-chain/slasher/service_test.go
@@ -59,7 +59,9 @@ func TestService_StartStop_ChainStartEvent(t *testing.T) {
 		Data: &statefeed.ChainStartedData{StartTime: time.Now()},
 	})
 	time.Sleep(time.Millisecond * 100)
-	srv.slotTicker = &slots.SlotTicker{}
+	srv.attsSlotTicker = &slots.SlotTicker{}
+	srv.blocksSlotTicker = &slots.SlotTicker{}
+	srv.pruningSlotTicker = &slots.SlotTicker{}
 	require.NoError(t, srv.Stop())
 	require.NoError(t, srv.Status())
 	require.LogsContain(t, hook, "received chain start event")
@@ -92,7 +94,9 @@ func TestService_StartStop_ChainAlreadyInitialized(t *testing.T) {
 		Data: &statefeed.InitializedData{StartTime: time.Now()},
 	})
 	time.Sleep(time.Millisecond * 100)
-	srv.slotTicker = &slots.SlotTicker{}
+	srv.attsSlotTicker = &slots.SlotTicker{}
+	srv.blocksSlotTicker = &slots.SlotTicker{}
+	srv.pruningSlotTicker = &slots.SlotTicker{}
 	require.NoError(t, srv.Stop())
 	require.NoError(t, srv.Status())
 	require.LogsContain(t, hook, "chain already initialized")