diff --git a/Jenkinsfile b/Jenkinsfile
index e3aa1c7a29214fbbf60871ffa07164c5b2678476..6bff8ec1ce005d42c1a6caa21dfb010c8f445abf 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 ${WK}
     git reset --hard HEAD~10
@@ -213,6 +215,7 @@ def pre_test_ningsi(){
     git fetch origin +refs/pull/${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