diff --git a/public/app/features/dashboard/state/DashboardMigrator.ts b/public/app/features/dashboard/state/DashboardMigrator.ts
index e347930d93d..16e2f7f003f 100644
--- a/public/app/features/dashboard/state/DashboardMigrator.ts
+++ b/public/app/features/dashboard/state/DashboardMigrator.ts
@@ -1106,7 +1106,6 @@ function isCloudWatchQuery(target: DataQuery): target is CloudWatchMetricsQuery
     target.hasOwnProperty('dimensions') &&
     target.hasOwnProperty('namespace') &&
     target.hasOwnProperty('region') &&
-    target.hasOwnProperty('period') &&
     target.hasOwnProperty('metricName')
   );
 }