diff --git a/src/Web/WebSPA/Client/modules/shared/services/configuration.service.ts b/src/Web/WebSPA/Client/modules/shared/services/configuration.service.ts
index 954ddfa84..9adeb4a00 100644
--- a/src/Web/WebSPA/Client/modules/shared/services/configuration.service.ts
+++ b/src/Web/WebSPA/Client/modules/shared/services/configuration.service.ts
@@ -1,9 +1,9 @@
 import { Injectable } from '@angular/core';
-import { HttpClient, HttpHeaders, HttpErrorResponse } from "@angular/common/http";
+import { HttpClient } from "@angular/common/http";
 import { IConfiguration }   from '../models/configuration.model';
 import { StorageService }   from './storage.service';
 
-import { Observable, Subject } from 'rxjs';
+import { Subject } from 'rxjs';
 
 @Injectable()
 export class ConfigurationService {
diff --git a/src/Web/WebSPA/Client/modules/shared/services/data.service.ts b/src/Web/WebSPA/Client/modules/shared/services/data.service.ts
index a59e293e5..c1d5aa002 100644
--- a/src/Web/WebSPA/Client/modules/shared/services/data.service.ts
+++ b/src/Web/WebSPA/Client/modules/shared/services/data.service.ts
@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { HttpClient, HttpHeaders, HttpErrorResponse } from "@angular/common/http";
+import { HttpClient, HttpHeaders } from "@angular/common/http";
 
 import { Observable, throwError } from 'rxjs';
 import { catchError, tap } from 'rxjs/operators';