diff --git a/SYCL/Reduction/reduction_big_data.cpp b/SYCL/Reduction/reduction_big_data.cpp
index 12930bf5a3..17ebc51a9d 100644
--- a/SYCL/Reduction/reduction_big_data.cpp
+++ b/SYCL/Reduction/reduction_big_data.cpp
@@ -1,3 +1,5 @@
+// REQUIRES: TEMPORARILY_DISABLED
+// Temporarily disabled due to flaky unrelated failures
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
 // RUN: %GPU_RUN_PLACEHOLDER %t.out
 // RUN: %ACC_RUN_PLACEHOLDER %t.out