diff --git a/third_party/mbedtls/test/test.mk b/third_party/mbedtls/test/test.mk
index 670d08ca5..113158055 100644
--- a/third_party/mbedtls/test/test.mk
+++ b/third_party/mbedtls/test/test.mk
@@ -11,6 +11,9 @@ THIRD_PARTY_MBEDTLS_TEST_INCS = $(filter %.inc,$(THIRD_PARTY_MBEDTLS_TEST_FILES)
 THIRD_PARTY_MBEDTLS_TEST_OBJS =											\
 	$(THIRD_PARTY_MBEDTLS_TEST_SRCS:%.c=o/$(MODE)/%.o)
 
+# TOOD(jart): Re-enable me once we can mock out time.
+# o/$(MODE)/third_party/mbedtls/test/test_suite_x509parse.com
+
 THIRD_PARTY_MBEDTLS_TEST_COMS =											\
 	o/$(MODE)/third_party/mbedtls/test/test_suite_aes.cbc.com						\
 	o/$(MODE)/third_party/mbedtls/test/test_suite_aes.cfb.com						\
@@ -76,7 +79,6 @@ THIRD_PARTY_MBEDTLS_TEST_COMS =											\
 	o/$(MODE)/third_party/mbedtls/test/test_suite_ssl.com							\
 	o/$(MODE)/third_party/mbedtls/test/test_suite_timing.com						\
 	o/$(MODE)/third_party/mbedtls/test/test_suite_version.com						\
-	o/$(MODE)/third_party/mbedtls/test/test_suite_x509parse.com						\
 	o/$(MODE)/third_party/mbedtls/test/test_suite_x509write.com						\
 	o/$(MODE)/third_party/mbedtls/test/secp384r1_test.com							\
 	o/$(MODE)/third_party/mbedtls/test/everest_test.com