diff --git a/api/src/main/java/lab/en2b/quizapi/game/GameController.java b/api/src/main/java/lab/en2b/quizapi/game/GameController.java
index 99c1d872..8b21c4c9 100644
--- a/api/src/main/java/lab/en2b/quizapi/game/GameController.java
+++ b/api/src/main/java/lab/en2b/quizapi/game/GameController.java
@@ -7,7 +7,6 @@
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import jakarta.validation.Valid;
 import lab.en2b.quizapi.game.dtos.*;
-import lab.en2b.quizapi.questions.question.QuestionCategory;
 import lab.en2b.quizapi.questions.question.dtos.QuestionCategoryDto;
 import lab.en2b.quizapi.questions.question.dtos.QuestionResponseDto;
 import lombok.RequiredArgsConstructor;
diff --git a/api/src/main/java/lab/en2b/quizapi/game/GameService.java b/api/src/main/java/lab/en2b/quizapi/game/GameService.java
index 36b9d8a1..d78db2f4 100644
--- a/api/src/main/java/lab/en2b/quizapi/game/GameService.java
+++ b/api/src/main/java/lab/en2b/quizapi/game/GameService.java
@@ -4,7 +4,6 @@
 import lab.en2b.quizapi.commons.utils.GameModeUtils;
 import lab.en2b.quizapi.game.dtos.*;
 import lab.en2b.quizapi.game.mappers.GameResponseDtoMapper;
-import lab.en2b.quizapi.questions.question.QuestionCategory;
 import lab.en2b.quizapi.questions.question.QuestionService;
 import lab.en2b.quizapi.questions.question.dtos.QuestionCategoryDto;
 import lab.en2b.quizapi.questions.question.dtos.QuestionResponseDto;
@@ -16,7 +15,6 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 
diff --git a/api/src/main/java/lab/en2b/quizapi/game/dtos/GameAnswerDto.java b/api/src/main/java/lab/en2b/quizapi/game/dtos/GameAnswerDto.java
index 54cc8634..80c60996 100644
--- a/api/src/main/java/lab/en2b/quizapi/game/dtos/GameAnswerDto.java
+++ b/api/src/main/java/lab/en2b/quizapi/game/dtos/GameAnswerDto.java
@@ -1,7 +1,6 @@
 package lab.en2b.quizapi.game.dtos;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
-import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.PositiveOrZero;
 import lombok.*;
 
diff --git a/api/src/test/java/lab/en2b/quizapi/auth/AuthControllerTest.java b/api/src/test/java/lab/en2b/quizapi/auth/AuthControllerTest.java
index 1871688f..bd336638 100644
--- a/api/src/test/java/lab/en2b/quizapi/auth/AuthControllerTest.java
+++ b/api/src/test/java/lab/en2b/quizapi/auth/AuthControllerTest.java
@@ -18,7 +18,6 @@
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.ResultMatcher;
 
-import java.util.Arrays;
 import java.util.List;
 
 import static lab.en2b.quizapi.commons.utils.TestUtils.asJsonString;
diff --git a/api/src/test/java/lab/en2b/quizapi/user/UserServiceTest.java b/api/src/test/java/lab/en2b/quizapi/user/UserServiceTest.java
index ed698280..79e76a43 100644
--- a/api/src/test/java/lab/en2b/quizapi/user/UserServiceTest.java
+++ b/api/src/test/java/lab/en2b/quizapi/user/UserServiceTest.java
@@ -13,7 +13,6 @@
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
-import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.core.Authentication;
 import org.springframework.test.context.junit.jupiter.SpringExtension;