diff --git a/components/campaign_monitor/sources/new-bounce/new-bounce.mjs b/components/campaign_monitor/sources/new-bounce/new-bounce.mjs
index 6b9b825f50382..868af3f4d7f31 100644
--- a/components/campaign_monitor/sources/new-bounce/new-bounce.mjs
+++ b/components/campaign_monitor/sources/new-bounce/new-bounce.mjs
@@ -10,12 +10,6 @@ export default {
   dedupe: "unique",
   props: {
     ...common.props,
-    clientId: {
-      propDefinition: [
-        common.props.campaignMonitor,
-        "clientId",
-      ],
-    },
     campaignId: {
       propDefinition: [
         common.props.campaignMonitor,
diff --git a/components/campaign_monitor/sources/new-email-open/new-email-open.mjs b/components/campaign_monitor/sources/new-email-open/new-email-open.mjs
index 222f4a214565f..199bf6ed132ee 100644
--- a/components/campaign_monitor/sources/new-email-open/new-email-open.mjs
+++ b/components/campaign_monitor/sources/new-email-open/new-email-open.mjs
@@ -10,12 +10,6 @@ export default {
   dedupe: "unique",
   props: {
     ...common.props,
-    clientId: {
-      propDefinition: [
-        common.props.campaignMonitor,
-        "clientId",
-      ],
-    },
     campaignId: {
       propDefinition: [
         common.props.campaignMonitor,