diff --git a/apps/api/src/app/account/create-account.dto.ts b/apps/api/src/app/account/create-account.dto.ts
index 69377bdd2..43e2584b7 100644
--- a/apps/api/src/app/account/create-account.dto.ts
+++ b/apps/api/src/app/account/create-account.dto.ts
@@ -21,10 +21,6 @@ export class CreateAccountDto {
   @IsString()
   id: string;
 
-  @IsOptional()
-  @IsBoolean()
-  isDefault: boolean;
-
   @IsBoolean()
   @IsOptional()
   isExcluded?: boolean;
diff --git a/apps/api/src/app/export/export.service.ts b/apps/api/src/app/export/export.service.ts
index ebf0845cc..219b022cb 100644
--- a/apps/api/src/app/export/export.service.ts
+++ b/apps/api/src/app/export/export.service.ts
@@ -20,7 +20,6 @@ export class ExportService {
         balance: true,
         currency: true,
         id: true,
-        isDefault: true,
         isExcluded: true,
         name: true,
         platformId: true
diff --git a/apps/api/src/app/import/import-data.dto.ts b/apps/api/src/app/import/import-data.dto.ts
index cfd866120..fa954a2c9 100644
--- a/apps/api/src/app/import/import-data.dto.ts
+++ b/apps/api/src/app/import/import-data.dto.ts
@@ -1,7 +1,7 @@
+import { CreateAccountDto } from '@ghostfolio/api/app/account/create-account.dto';
 import { CreateOrderDto } from '@ghostfolio/api/app/order/create-order.dto';
 import { Type } from 'class-transformer';
 import { IsArray, IsOptional, ValidateNested } from 'class-validator';
-import { CreateAccountDto } from '../account/create-account.dto';
 
 export class ImportDataDto {
   @IsOptional()
diff --git a/apps/api/src/app/import/import.service.ts b/apps/api/src/app/import/import.service.ts
index c72d00eca..9210d9da8 100644
--- a/apps/api/src/app/import/import.service.ts
+++ b/apps/api/src/app/import/import.service.ts
@@ -115,7 +115,7 @@ export class ImportService {
     userCurrency: string;
     userId: string;
   }): Promise<Activity[]> {
-    const accountIdMapping = {};
+    const accountIdMapping: { [oldAccountId: string]: string } = {};
 
     //Create new accounts during dryRun so that new account IDs don't get invalidated
     if (isDryRun && accountsDto?.length) {
@@ -131,7 +131,6 @@ export class ImportService {
           const platformId = account.platformId;
 
           delete account.platformId;
-          delete account.isDefault;
 
           if (accountWithSameId) {
             oldAccountId = account.id;
diff --git a/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.component.ts b/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.component.ts
index 045cee17f..b4e118a30 100644
--- a/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.component.ts
+++ b/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.component.ts
@@ -11,7 +11,6 @@ import {
   MatLegacyDialogRef as MatDialogRef
 } from '@angular/material/legacy-dialog';
 import { MatLegacySnackBar as MatSnackBar } from '@angular/material/legacy-snack-bar';
-import { CreateAccountDto } from '@ghostfolio/api/app/account/create-account.dto';
 import { Activity } from '@ghostfolio/api/app/order/interfaces/activities.interface';
 import { DataService } from '@ghostfolio/client/services/data.service';
 import { ImportActivitiesService } from '@ghostfolio/client/services/import-activities.service';
@@ -29,7 +28,6 @@ import { ImportActivitiesDialogParams } from './interfaces/interfaces';
   templateUrl: 'import-activities-dialog.html'
 })
 export class ImportActivitiesDialog implements OnDestroy {
-  public accounts: CreateAccountDto[] = [];
   public activities: Activity[] = [];
   public details: any[] = [];
   public errorMessages: string[] = [];
@@ -94,7 +92,6 @@ export class ImportActivitiesDialog implements OnDestroy {
       this.snackBar.open('⏳ ' + $localize`Importing data...`);
 
       await this.importActivitiesService.importSelectedActivities({
-        accounts: this.accounts,
         activities: this.selectedActivities
       });
 
@@ -183,13 +180,13 @@ export class ImportActivitiesDialog implements OnDestroy {
             }
 
             try {
-              const data = await this.importActivitiesService.importJson({
-                activities: content.activities,
-                isDryRun: true,
-                accounts: content.accounts
-              });
-              this.accounts = content.accounts;
-              this.activities = data.activities;
+              const { activities } =
+                await this.importActivitiesService.importJson({
+                  accounts: content.accounts,
+                  activities: content.activities,
+                  isDryRun: true
+                });
+              this.activities = activities;
             } catch (error) {
               console.error(error);
               this.handleImportError({ error, activities: content.activities });
diff --git a/apps/client/src/app/services/import-activities.service.ts b/apps/client/src/app/services/import-activities.service.ts
index 357ad196a..d3ac9b2fb 100644
--- a/apps/client/src/app/services/import-activities.service.ts
+++ b/apps/client/src/app/services/import-activities.service.ts
@@ -58,12 +58,12 @@ export class ImportActivitiesService {
       });
     }
 
-    return await this.importJson({ isDryRun, activities });
+    return await this.importJson({ activities, isDryRun });
   }
 
   public importJson({
-    activities,
     accounts,
+    activities,
     isDryRun = false
   }: {
     activities: CreateOrderDto[];
@@ -96,14 +96,11 @@ export class ImportActivitiesService {
   }
 
   public importSelectedActivities({
-    accounts,
     activities
   }: {
     activities: Activity[];
-    accounts?: CreateAccountDto[];
   }): Promise<{
     activities: Activity[];
-    accounts?: CreateAccountDto[];
   }> {
     const importData: CreateOrderDto[] = [];
 
@@ -111,7 +108,7 @@ export class ImportActivitiesService {
       importData.push(this.convertToCreateOrderDto(activity));
     }
 
-    return this.importJson({ activities: importData, accounts });
+    return this.importJson({ activities: importData });
   }
 
   private convertToCreateOrderDto({
@@ -363,7 +360,7 @@ export class ImportActivitiesService {
   }
 
   private postImport(
-    aImportData: { activities: CreateOrderDto[]; accounts: CreateAccountDto[] },
+    aImportData: { accounts: CreateAccountDto[]; activities: CreateOrderDto[] },
     aIsDryRun = false
   ) {
     return this.http.post<{ activities: Activity[] }>(
diff --git a/libs/common/src/lib/interfaces/export.interface.ts b/libs/common/src/lib/interfaces/export.interface.ts
index dcd7aa60d..b142cb2f8 100644
--- a/libs/common/src/lib/interfaces/export.interface.ts
+++ b/libs/common/src/lib/interfaces/export.interface.ts
@@ -5,7 +5,7 @@ export interface Export {
     date: string;
     version: string;
   };
-  accounts: Omit<Account, 'createdAt' | 'updatedAt' | 'userId'>[];
+  accounts: Omit<Account, 'createdAt' | 'isDefault' | 'updatedAt' | 'userId'>[];
   activities: (Omit<
     Order,
     | 'accountUserId'