diff --git a/common/queue/src/main/java/org/thingsboard/server/queue/usagestats/DefaultTbApiUsageReportClient.java b/common/queue/src/main/java/org/thingsboard/server/queue/usagestats/DefaultTbApiUsageReportClient.java
index 3cea112327..715020dc7c 100644
--- a/common/queue/src/main/java/org/thingsboard/server/queue/usagestats/DefaultTbApiUsageReportClient.java
+++ b/common/queue/src/main/java/org/thingsboard/server/queue/usagestats/DefaultTbApiUsageReportClient.java
@@ -123,6 +123,7 @@ public class DefaultTbApiUsageReportClient implements TbApiUsageReportClient {
                         .setValue(value);
                 statsMsg.addValues(statsItem.build());
             });
+            statsForKey.clear();
         }
 
         Map<TopicPartitionInfo, List<UsageStatsServiceMsg>> reportStatsPerTpi = new HashMap<>();