diff --git a/frontend/app/app.module.ts b/frontend/app/app.module.ts
index 1aca9696..45694f80 100644
--- a/frontend/app/app.module.ts
+++ b/frontend/app/app.module.ts
@@ -3,8 +3,7 @@ import {
   LOCALE_ID,
   NgModule,
   TRANSLATIONS,
-  TRANSLATIONS_FORMAT,
-  MissingTranslationStrategy
+  TRANSLATIONS_FORMAT
 } from '@angular/core';
 import {BrowserModule, HAMMER_GESTURE_CONFIG, HammerGestureConfig} from '@angular/platform-browser';
 import {FormsModule} from '@angular/forms';
@@ -63,7 +62,7 @@ import {HttpClientModule} from '@angular/common/http';
 import {DefaultUrlSerializer, UrlSerializer, UrlTree} from '@angular/router';
 import {IndexingSettingsComponent} from './settings/indexing/indexing.settings.component';
 import {LanguageComponent} from './language/language.component';
-import {I18n, MISSING_TRANSLATION_STRATEGY} from '@ngx-translate/i18n-polyfill';
+import {I18n} from '@ngx-translate/i18n-polyfill';
 import {QueryService} from './model/query.service';
 import {IconizeSortingMethod} from './pipes/IconizeSortingMethod';
 import {StringifySortingMethod} from './pipes/StringifySortingMethod';
@@ -89,7 +88,6 @@ export class MyHammerConfig extends HammerGestureConfig {
 }
 
 
-
 export class CustomUrlSerializer implements UrlSerializer {
   private _defaultUrlSerializer: DefaultUrlSerializer = new DefaultUrlSerializer();
 
@@ -197,13 +195,8 @@ export function translationsFactory(locale: string) {
       useFactory: translationsFactory,
       deps: [LOCALE_ID]
     },
-    I18n,
-
-    {provide: TRANSLATIONS, useValue: translationsFactory('en')},
     {provide: TRANSLATIONS_FORMAT, useValue: 'xlf'},
-    {provide: LOCALE_ID, useValue: 'en'},
-    {provide: MISSING_TRANSLATION_STRATEGY, useValue: MissingTranslationStrategy.Ignore},
-
+    I18n
   ],
   bootstrap: [AppComponent]
 })
diff --git a/frontend/app/gallery/navigator/navigator.gallery.component.ts b/frontend/app/gallery/navigator/navigator.gallery.component.ts
index 6fec6cb0..93e3f64b 100644
--- a/frontend/app/gallery/navigator/navigator.gallery.component.ts
+++ b/frontend/app/gallery/navigator/navigator.gallery.component.ts
@@ -11,7 +11,6 @@ import {SortingMethods} from '../../../../common/entities/SortingMethods';
 import {Config} from '../../../../common/config/public/Config';
 import {SearchResultDTO} from '../../../../common/entities/SearchResultDTO';
 import {SearchTypes} from '../../../../common/entities/AutoCompleteItem';
-import {LightboxStates} from '../lightbox/lightbox.gallery.component';
 
 @Component({
   selector: 'app-gallery-navbar',
diff --git a/frontend/translate/messages.en.xlf b/frontend/translate/messages.en.xlf
index 90a1bcac..158d562d 100644
--- a/frontend/translate/messages.en.xlf
+++ b/frontend/translate/messages.en.xlf
@@ -1533,10 +1533,6 @@
           <context context-type="sourcefile">frontend/app/gallery/navigator/navigator.gallery.component.ts</context>
           <context context-type="linenumber">1</context>
         </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">frontend/app/gallery/navigator/navigator.gallery.component.ts</context>
-          <context context-type="linenumber">1</context>
-        </context-group>
         <target>Images</target>
       </trans-unit>
       <trans-unit id="4f20f2d5a6882190892e58b85f6ccbedfa737952" datatype="html">
diff --git a/frontend/translate/messages.hu.xlf b/frontend/translate/messages.hu.xlf
index c6099346..4d584ebf 100644
--- a/frontend/translate/messages.hu.xlf
+++ b/frontend/translate/messages.hu.xlf
@@ -1533,10 +1533,6 @@
           <context context-type="sourcefile">frontend/app/gallery/navigator/navigator.gallery.component.ts</context>
           <context context-type="linenumber">1</context>
         </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">frontend/app/gallery/navigator/navigator.gallery.component.ts</context>
-          <context context-type="linenumber">1</context>
-        </context-group>
         <target>Képek</target>
       </trans-unit>
       <trans-unit id="4f20f2d5a6882190892e58b85f6ccbedfa737952" datatype="html">
@@ -1904,4 +1900,4 @@
       </trans-unit>
     </body>
   </file>
-</xliff>
+</xliff>
\ No newline at end of file
diff --git a/package.json b/package.json
index 361a4e2a..269a7cfb 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "pretest": "tsc",
     "test": "ng test && mocha --recursive test/backend/unit && mocha --recursive test/backend/integration  && mocha --recursive test/common/unit ",
     "start": "node ./backend/index",
-    "run-dev": "ng build --aot --watch --output-path=./dist --i18n-locale en --i18n-format xlf --i18n-file frontend/translate/messages.en.xlf --i18n-missing-translation warning",
+    "run-dev": "ng build --aot --watch --output-path=./dist --i18n-locale en --i18n-file frontend/translate/messages.en.xlf --i18n-missing-translation warning",
     "update-translation": "gulp update-translation",
     "add-translation": "gulp add-translation"
   },