diff --git a/src/things/date-series.ts b/src/things/date-series.ts
index 5d126d21..7c54d22e 100644
--- a/src/things/date-series.ts
+++ b/src/things/date-series.ts
@@ -174,8 +174,4 @@ export class SCDateSeriesMeta
  */
 export interface SCDateSeriesTranslatableProperties
   extends SCThingThatCanBeOfferedTranslatableProperties {
-  /**
-   * @see SCDateSeriesWithoutReferences.frequency
-   */
-  frequency?: string;
 }