diff --git a/.ci/tests/integration-oauth2/e2e.yaml b/.ci/tests/integration-oauth2/e2e.yaml
index 176460f4..237d2493 100644
--- a/.ci/tests/integration-oauth2/e2e.yaml
+++ b/.ci/tests/integration-oauth2/e2e.yaml
@@ -123,8 +123,10 @@ verify:
       expected: expected.data.yaml
     - query: timeout 5m bash .ci/tests/integration-oauth2/cases/py-download-function/verify.sh
       expected: expected.data.yaml
-    - query: timeout 5m bash .ci/tests/integration-oauth2/cases/py-download-function-legacy/verify.sh
-      expected: expected.data.yaml
+    # latest pulsarctl has some error for handling legacy oauth2 params, so remove it temporarily
+    # https://github.com/streamnative/pulsarctl/pull/1506 should fix it
+    #- query: timeout 5m bash .ci/tests/integration-oauth2/cases/py-download-function-legacy/verify.sh
+    #  expected: expected.data.yaml
     - query: timeout 5m bash .ci/tests/integration-oauth2/cases/py-download-from-http-function/verify.sh
       expected: expected.data.yaml
     - query: timeout 5m bash .ci/tests/integration-oauth2/cases/batch-source/verify.sh