diff --git a/apps/api/src/app/portfolio/portfolio.service.ts b/apps/api/src/app/portfolio/portfolio.service.ts
index 0be908030..6879b2030 100644
--- a/apps/api/src/app/portfolio/portfolio.service.ts
+++ b/apps/api/src/app/portfolio/portfolio.service.ts
@@ -74,7 +74,7 @@ import {
   parseISO,
   set
 } from 'date-fns';
-import { isEmpty, isNumber, last, uniq } from 'lodash';
+import { isEmpty, last, uniq } from 'lodash';
 
 import { PortfolioCalculator } from './calculator/portfolio-calculator';
 import {