diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b006e5ff80e1..66afce1889e4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2419,7 +2419,8 @@ jobs:
       - macos-swift
       - ios-build
       - android
-    if: ${{ !cancelled() && always() && github.event_name != 'push' && (github.event_name != 'pull_request' || !github.event.pull_request.draft) }}
+    # Re-enable this job when we want to collect CI timing data for timing optimization.
+    if: ${{ false && !cancelled() && always() && github.event_name != 'push' && (github.event_name != 'pull_request' || !github.event.pull_request.draft) }}
     runs-on: ubuntu-24.04
     timeout-minutes: 5
     steps:
diff --git a/test/scripts/ci-workflow-guards.test.ts b/test/scripts/ci-workflow-guards.test.ts
index 96261e3fee60..eaa09d2e872e 100644
--- a/test/scripts/ci-workflow-guards.test.ts
+++ b/test/scripts/ci-workflow-guards.test.ts
@@ -573,7 +573,11 @@ describe("ci workflow guards", () => {
     expect(runStep.run).toContain("childEnv[key] = value");
   });
 
-  it("uploads a CI timing summary after the run lanes finish", () => {
+  it("keeps the CI timing summary parked for timing optimization work", () => {
+    expect(readFileSync(".github/workflows/ci.yml", "utf8")).toContain(
+      "Re-enable this job when we want to collect CI timing data for timing optimization.",
+    );
+
     const workflow = readCiWorkflow();
     const timingJob = workflow.jobs["ci-timings-summary"];
 
@@ -598,6 +602,7 @@ describe("ci workflow guards", () => {
       "ios-build",
       "android",
     ]);
+    expect(timingJob.if).toContain("false");
     expect(timingJob.if).toContain("always()");
     expect(timingJob.if).toContain("!cancelled()");