diff --git a/apps/api/src/app/portfolio/portfolio.service.ts b/apps/api/src/app/portfolio/portfolio.service.ts
index 5f1130a92..e8f50e1e2 100644
--- a/apps/api/src/app/portfolio/portfolio.service.ts
+++ b/apps/api/src/app/portfolio/portfolio.service.ts
@@ -663,7 +663,6 @@ export class PortfolioService {
         grossPerformancePercentWithCurrencyEffect: undefined,
         grossPerformanceWithCurrencyEffect: undefined,
         historicalData: [],
-        investmentInBaseCurrency: undefined,
         investmentInBaseCurrencyWithCurrencyEffect: undefined,
         marketPrice: undefined,
         marketPriceMax: undefined,
@@ -854,7 +853,6 @@ export class PortfolioService {
         grossPerformanceWithCurrencyEffect:
           position.grossPerformanceWithCurrencyEffect?.toNumber(),
         historicalData: historicalDataArray,
-        investmentInBaseCurrency: position.investment?.toNumber(),
         investmentInBaseCurrencyWithCurrencyEffect:
           position.investmentWithCurrencyEffect?.toNumber(),
         netPerformance: position.netPerformance?.toNumber(),
@@ -955,7 +953,6 @@ export class PortfolioService {
         grossPerformancePercentWithCurrencyEffect: undefined,
         grossPerformanceWithCurrencyEffect: undefined,
         historicalData: historicalDataArray,
-        investmentInBaseCurrency: 0,
         investmentInBaseCurrencyWithCurrencyEffect: 0,
         netPerformance: undefined,
         netPerformancePercent: undefined,
diff --git a/libs/common/src/lib/interfaces/responses/portfolio-holding-response.interface.ts b/libs/common/src/lib/interfaces/responses/portfolio-holding-response.interface.ts
index 0010e2747..000460228 100644
--- a/libs/common/src/lib/interfaces/responses/portfolio-holding-response.interface.ts
+++ b/libs/common/src/lib/interfaces/responses/portfolio-holding-response.interface.ts
@@ -22,7 +22,6 @@ export interface PortfolioHoldingResponse {
   grossPerformancePercentWithCurrencyEffect: number;
   grossPerformanceWithCurrencyEffect: number;
   historicalData: HistoricalDataItem[];
-  investmentInBaseCurrency: number;
   investmentInBaseCurrencyWithCurrencyEffect: number;
   marketPrice: number;
   marketPriceMax: number;