diff --git a/.travis.yml b/.travis.yml
index c764cd0499..5298885697 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -114,8 +114,8 @@ matrix:
   allow_failures:
     # Allow failures for the unstable jobs.
     # - name: arm64-linux
-    # - name: ppc64le-linux
-    # - name: s390x-linux
+    - name: ppc64le-linux
+    - name: s390x-linux
     # The 2nd arm64 pipeline may be unstable.
     # - name: arm32-linux
   fast_finish: true