diff --git a/src/modules/cards/cards.controller.ts b/src/modules/cards/cards.controller.ts
index 41c50bd..0e300ce 100644
--- a/src/modules/cards/cards.controller.ts
+++ b/src/modules/cards/cards.controller.ts
@@ -25,7 +25,6 @@ import {
 
 import { JwtAuthGuard } from '../auth/guards'
 
-import { CardsService } from './cards.service'
 import { UpdateCardDto } from './dto'
 import { Card } from './entities/cards.entity'
 import { DeleteCardByIdCommand, GetDeckByIdCommand, UpdateCardCommand } from './use-cases'
@@ -33,7 +32,7 @@ import { DeleteCardByIdCommand, GetDeckByIdCommand, UpdateCardCommand } from './
 @ApiTags('Cards')
 @Controller('cards')
 export class CardsController {
-  constructor(private readonly decksService: CardsService, private commandBus: CommandBus) {}
+  constructor(private commandBus: CommandBus) {}
 
   @UseGuards(JwtAuthGuard)
   @ApiOperation({ summary: 'Get card by id', description: 'Get card by id' })
diff --git a/src/modules/cards/infrastructure/cards.repository.ts b/src/modules/cards/infrastructure/cards.repository.ts
index 5bf54c2..3f262dc 100644
--- a/src/modules/cards/infrastructure/cards.repository.ts
+++ b/src/modules/cards/infrastructure/cards.repository.ts
@@ -65,7 +65,7 @@ export class CardsRepository {
       orderBy,
     }: GetAllCardsInDeckDto
   ): Promise<PaginatedCardsWithGrade> {
-    if (!orderBy) {
+    if (!orderBy || orderBy === 'null') {
       orderBy = 'updated-desc'
     }
     try {
diff --git a/src/modules/decks/decks.controller.ts b/src/modules/decks/decks.controller.ts
index bf63ce4..1743fe8 100644
--- a/src/modules/decks/decks.controller.ts
+++ b/src/modules/decks/decks.controller.ts
@@ -33,7 +33,6 @@ import { JwtAuthGuard } from '../auth/guards'
 import { CreateCardDto, GetAllCardsInDeckDto } from '../cards/dto'
 import { Card, PaginatedCards } from '../cards/entities/cards.entity'
 
-import { DecksService } from './decks.service'
 import { CreateDeckDto, GetAllDecksDto, UpdateDeckDto } from './dto'
 import { GetRandomCardDto } from './dto/get-random-card.dto'
 import { Deck, DeckWithAuthor, PaginatedDecks } from './entities/deck.entity'
@@ -52,7 +51,7 @@ import {
 @ApiTags('Decks')
 @Controller('decks')
 export class DecksController {
-  constructor(private readonly decksService: DecksService, private commandBus: CommandBus) {}
+  constructor(private commandBus: CommandBus) {}
 
   @HttpCode(HttpStatus.PARTIAL_CONTENT)
   @ApiOperation({ description: 'Retrieve paginated decks list.', summary: 'Paginated decks list' })
diff --git a/src/modules/decks/infrastructure/decks.repository.ts b/src/modules/decks/infrastructure/decks.repository.ts
index 41e99ac..1567df3 100644
--- a/src/modules/decks/infrastructure/decks.repository.ts
+++ b/src/modules/decks/infrastructure/decks.repository.ts
@@ -61,7 +61,7 @@ export class DecksRepository {
     maxCardsCount,
     orderBy,
   }: GetAllDecksDto): Promise<PaginatedDecks> {
-    if (!orderBy) {
+    if (!orderBy || orderBy === 'null') {
       orderBy = 'updated-desc'
     }
     try {