diff --git a/Jenkinsfile b/Jenkinsfile
index 297dde63e196ff3ae4083926f51bd6a88c1c9f3a..c4e0a7d27b099c477db765d37741541afed55ccd 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -70,6 +70,7 @@ def pre_test(){
     git fetch origin +refs/pull/${CHANGE_ID}/merge
     git checkout -qf FETCH_HEAD
     git clean -dfx
+    git ls-files --stage   | grep 160000   | awk '{print $4}'   | xargs git rm --cached 
     git submodule update --init --recursive
     cd ${WK}
     git reset --hard HEAD~10
@@ -143,6 +144,7 @@ def pre_test_noinstall(){
     git fetch origin +refs/pull/${CHANGE_ID}/merge
     git checkout -qf FETCH_HEAD
     git clean -dfx
+    git ls-files --stage   | grep 160000   | awk '{print $4}'   | xargs git rm --cached 
     git submodule update --init --recursive
     cd ${WK}
     git reset --hard HEAD~10
@@ -213,6 +215,7 @@ def pre_test_mac(){
     git fetch origin +refs/pull/${CHANGE_ID}/merge
     git checkout -qf FETCH_HEAD
     git clean -dfx
+    git ls-files --stage   | grep 160000   | awk '{print $4}'   | xargs git rm --cached 
     git submodule update --init --recursive
     cd ${WK}
     git reset --hard HEAD~10