diff --git a/application/src/main/java/org/thingsboard/server/service/subscription/TbAbstractDataSubCtx.java b/application/src/main/java/org/thingsboard/server/service/subscription/TbAbstractDataSubCtx.java
index 26e97b6f2c..271de08733 100644
--- a/application/src/main/java/org/thingsboard/server/service/subscription/TbAbstractDataSubCtx.java
+++ b/application/src/main/java/org/thingsboard/server/service/subscription/TbAbstractDataSubCtx.java
@@ -18,6 +18,7 @@ package org.thingsboard.server.service.subscription;
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.kv.Aggregation;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.query.AbstractDataQuery;
 import org.thingsboard.server.common.data.query.EntityData;
@@ -197,6 +198,9 @@ public abstract class TbAbstractDataSubCtx<T extends AbstractDataQuery<? extends
             entityData.getTimeseries().forEach((k, v) -> {
                 long ts = Arrays.stream(v).map(TsValue::getTs).max(Long::compareTo).orElse(0L);
                 log.trace("[{}][{}] Updating key: {} with ts: {}", serviceId, cmdId, k, ts);
+                if (!Aggregation.NONE.equals(getCurrentAggregation()) && ts < endTs) {
+                    ts = endTs;
+                }
                 keyStates.put(k, ts);
             });
         }
@@ -247,4 +251,5 @@ public abstract class TbAbstractDataSubCtx<T extends AbstractDataQuery<? extends
 
     abstract void sendWsMsg(String sessionId, TelemetrySubscriptionUpdate subscriptionUpdate, EntityKeyType keyType, boolean resultToLatestValues);
 
+    protected abstract Aggregation getCurrentAggregation();
 }
diff --git a/application/src/main/java/org/thingsboard/server/service/subscription/TbAlarmDataSubCtx.java b/application/src/main/java/org/thingsboard/server/service/subscription/TbAlarmDataSubCtx.java
index 5804002c77..30b58d92a8 100644
--- a/application/src/main/java/org/thingsboard/server/service/subscription/TbAlarmDataSubCtx.java
+++ b/application/src/main/java/org/thingsboard/server/service/subscription/TbAlarmDataSubCtx.java
@@ -23,6 +23,7 @@ import org.thingsboard.server.common.data.alarm.Alarm;
 import org.thingsboard.server.common.data.alarm.AlarmSearchStatus;
 import org.thingsboard.server.common.data.id.AlarmId;
 import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.kv.Aggregation;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.query.AlarmData;
 import org.thingsboard.server.common.data.query.AlarmDataPageLink;
@@ -205,6 +206,11 @@ public class TbAlarmDataSubCtx extends TbAbstractDataSubCtx<AlarmDataQuery> {
         }
     }
 
+    @Override
+    protected Aggregation getCurrentAggregation() {
+        return Aggregation.NONE;
+    }
+
     private void sendWsMsg(String sessionId, AlarmSubscriptionUpdate subscriptionUpdate) {
         Alarm alarm = subscriptionUpdate.getAlarm();
         AlarmId alarmId = alarm.getId();
diff --git a/application/src/main/java/org/thingsboard/server/service/subscription/TbEntityDataSubCtx.java b/application/src/main/java/org/thingsboard/server/service/subscription/TbEntityDataSubCtx.java
index 385661f177..016ed198ec 100644
--- a/application/src/main/java/org/thingsboard/server/service/subscription/TbEntityDataSubCtx.java
+++ b/application/src/main/java/org/thingsboard/server/service/subscription/TbEntityDataSubCtx.java
@@ -19,6 +19,7 @@ import lombok.Getter;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.kv.Aggregation;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.query.EntityData;
 import org.thingsboard.server.common.data.query.EntityDataQuery;
@@ -86,6 +87,11 @@ public class TbEntityDataSubCtx extends TbAbstractDataSubCtx<EntityDataQuery> {
         }
     }
 
+    @Override
+    protected Aggregation getCurrentAggregation() {
+        return (this.curTsCmd == null || this.curTsCmd.getAgg() == null) ? Aggregation.NONE : this.curTsCmd.getAgg();
+    }
+
     private void sendLatestWsMsg(EntityId entityId, String sessionId, TelemetrySubscriptionUpdate subscriptionUpdate, EntityKeyType keyType) {
         Map<String, TsValue> latestUpdate = new HashMap<>();
         subscriptionUpdate.getData().forEach((k, v) -> {
diff --git a/dao/src/main/java/org/thingsboard/server/dao/timeseries/CassandraBaseTimeseriesDao.java b/dao/src/main/java/org/thingsboard/server/dao/timeseries/CassandraBaseTimeseriesDao.java
index 737ef8d8f6..1b17ec1816 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/timeseries/CassandraBaseTimeseriesDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/timeseries/CassandraBaseTimeseriesDao.java
@@ -115,7 +115,6 @@ public class CassandraBaseTimeseriesDao extends AbstractCassandraBaseTimeseriesD
     private PreparedStatement[] fetchStmtsAsc;
     private PreparedStatement[] fetchStmtsDesc;
     private PreparedStatement deleteStmt;
-    private PreparedStatement deletePartitionStmt;
     private final Lock stmtCreationLock = new ReentrantLock();
 
     private boolean isInstall() {
@@ -584,51 +583,6 @@ public class CassandraBaseTimeseriesDao extends AbstractCassandraBaseTimeseriesD
         return deleteStmt;
     }
 
-    private void deletePartitionAsync(TenantId tenantId, final QueryCursor cursor, final SimpleListenableFuture<Void> resultFuture) {
-        if (!cursor.hasNextPartition()) {
-            resultFuture.set(null);
-        } else {
-            PreparedStatement proto = getDeletePartitionStmt();
-            BoundStatementBuilder stmtBuilder = new BoundStatementBuilder(proto.bind());
-            stmtBuilder.setString(0, cursor.getEntityType());
-            stmtBuilder.setUuid(1, cursor.getEntityId());
-            stmtBuilder.setLong(2, cursor.getNextPartition());
-            stmtBuilder.setString(3, cursor.getKey());
-
-            BoundStatement stmt = stmtBuilder.build();
-
-            Futures.addCallback(executeAsyncWrite(tenantId, stmt), new FutureCallback<AsyncResultSet>() {
-                @Override
-                public void onSuccess(@Nullable AsyncResultSet result) {
-                    deletePartitionAsync(tenantId, cursor, resultFuture);
-                }
-
-                @Override
-                public void onFailure(Throwable t) {
-                    log.error("[{}][{}] Failed to delete data for query {}-{}", stmt, t);
-                }
-            }, readResultsProcessingExecutor);
-        }
-    }
-
-    private PreparedStatement getDeletePartitionStmt() {
-        if (deletePartitionStmt == null) {
-            stmtCreationLock.lock();
-            try {
-                if (deletePartitionStmt == null) {
-                    deletePartitionStmt = prepare("DELETE FROM " + ModelConstants.TS_KV_PARTITIONS_CF +
-                            " WHERE " + ModelConstants.ENTITY_TYPE_COLUMN + EQUALS_PARAM
-                            + "AND " + ModelConstants.ENTITY_ID_COLUMN + EQUALS_PARAM
-                            + "AND " + ModelConstants.PARTITION_COLUMN + EQUALS_PARAM
-                            + "AND " + ModelConstants.KEY_COLUMN + EQUALS_PARAM);
-                }
-            } finally {
-                stmtCreationLock.unlock();
-            }
-        }
-        return deletePartitionStmt;
-    }
-
     private PreparedStatement getSaveStmt(DataType dataType) {
         if (saveStmts == null) {
             stmtCreationLock.lock();