diff --git a/packages/overlay/src/integrations/sentry/data/sentryDataCache.ts b/packages/overlay/src/integrations/sentry/data/sentryDataCache.ts
index 28b75d34..6b2e343d 100644
--- a/packages/overlay/src/integrations/sentry/data/sentryDataCache.ts
+++ b/packages/overlay/src/integrations/sentry/data/sentryDataCache.ts
@@ -44,7 +44,7 @@ class SentryDataCache {
     initial.forEach(e => this.pushEvent(e));
   }
 
-  setSidecarUrl(url: string) {
+  setSidecarUrl(url: string | null) {
     if (!url) {
       this.contextLinesProvider = null;
       return;
diff --git a/packages/overlay/src/integrations/sentry/index.ts b/packages/overlay/src/integrations/sentry/index.ts
index 69413e2c..60ea31b8 100644
--- a/packages/overlay/src/integrations/sentry/index.ts
+++ b/packages/overlay/src/integrations/sentry/index.ts
@@ -31,6 +31,8 @@ export default function sentryIntegration(options: SentryIntegrationOptions = {}
       }
       if (options.sidecarUrl) {
         sentryDataCache.setSidecarUrl(options.sidecarUrl);
+      } else if ('sidecarUrl' in options) {
+        sentryDataCache.setSidecarUrl(null);
       }
       addSpotlightIntegrationToSentry(options);