diff --git a/meta-yadro/meta-nicole/recipes-phosphor/settings/phosphor-settings-manager/time-sync-method.override.yml b/meta-yadro/meta-nicole/recipes-phosphor/settings/phosphor-settings-manager/time-sync-method.override.yml
new file mode 100644
index 0000000..696919e
--- /dev/null
+++ b/meta-yadro/meta-nicole/recipes-phosphor/settings/phosphor-settings-manager/time-sync-method.override.yml
@@ -0,0 +1,5 @@
+/xyz/openbmc_project/time/sync_method:
+    - Interface: xyz.openbmc_project.Time.Synchronization
+      Properties:
+          TimeSyncMethod:
+              Default: Synchronization::Method::Manual
diff --git a/meta-yadro/meta-nicole/recipes-phosphor/settings/phosphor-settings-manager_%.bbappend b/meta-yadro/meta-nicole/recipes-phosphor/settings/phosphor-settings-manager_%.bbappend
index f1bc619..848bf4e 100644
--- a/meta-yadro/meta-nicole/recipes-phosphor/settings/phosphor-settings-manager_%.bbappend
+++ b/meta-yadro/meta-nicole/recipes-phosphor/settings/phosphor-settings-manager_%.bbappend
@@ -1,2 +1,5 @@
 FILESEXTRAPATHS_prepend_nicole := "${THISDIR}/${PN}:"
-SRC_URI_append_nicole = " file://bootmailbox.override.yml"
+SRC_URI_append_nicole = " \
+    file://bootmailbox.override.yml \
+    file://time-sync-method.override.yml \
+"