diff --git a/addons/spreadsheet/static/src/pivot/pivot_data_source.js b/addons/spreadsheet/static/src/pivot/pivot_data_source.js
index ecefccb70c5..c66626f0e5b 100644
--- a/addons/spreadsheet/static/src/pivot/pivot_data_source.js
+++ b/addons/spreadsheet/static/src/pivot/pivot_data_source.js
@@ -172,17 +172,6 @@ export class PivotDataSource extends OdooViewsDataSource {
         return this._model.getPivotCellDomain(domain);
     }
 
-    /**
-     * @param {string} fieldName
-     * @param {string} value raw string value
-     * @param {object} locale
-     * @returns {string}
-     */
-    getGroupByDisplayLabel(fieldName, value, locale) {
-        this._assertDataIsLoaded();
-        return this._model.getGroupByDisplayLabel(fieldName, value, locale);
-    }
-
     /**
      * @param {string} fieldName
      * @returns {string}