remove git_repository
diff --git a/buildkite/pipelines/bazel-postsubmit.json b/buildkite/pipelines/bazel-postsubmit.json
index a1a7e6b..bb5f893 100644
--- a/buildkite/pipelines/bazel-postsubmit.json
+++ b/buildkite/pipelines/bazel-postsubmit.json
@@ -1,5 +1,4 @@
 {
-  "git_repository": "https://github.com/bazelbuild/bazel.git",
   "platforms": {
     "ubuntu1404": {
       "shell_commands": [