diff --git a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmTelephoneCorpusServiceImpl.java b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmTelephoneCorpusServiceImpl.java
index 98f8e5a..27944c9 100644
--- a/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmTelephoneCorpusServiceImpl.java
+++ b/ai-analytic-center-biz/src/main/java/com/volvo/ai/analytic/center/service/impl/TmTelephoneCorpusServiceImpl.java
@@ -45,8 +45,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 import java.util.concurrent.Semaphore;
 import java.util.stream.Collectors;