diff --git a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmNameplateCorpusServiceImpl.java b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmNameplateCorpusServiceImpl.java
index 6ee20a4..16fd03b 100644
--- a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmNameplateCorpusServiceImpl.java
+++ b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmNameplateCorpusServiceImpl.java
@@ -29,8 +29,6 @@ import javax.annotation.Resource;
 import java.time.LocalDate;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 
 
 /**