diff --git a/tensorflow/tsl/platform/BUILD b/tensorflow/tsl/platform/BUILD
index 1bf3eb80304eabdbfcbeb0ad38866c30806c8493..d7868b40e6bd0c2921debcc96bafd987856275ee 100644
--- a/tensorflow/tsl/platform/BUILD
+++ b/tensorflow/tsl/platform/BUILD
@@ -1568,6 +1568,9 @@ tsl_cc_test(
     srcs = [
         "port_test.cc",
     ],
+    tags = [
+        "notap",  #TODO(b/245510532) : disabled due to flakiness.
+    ],
     deps = [
         ":env",
         ":env_impl",