diff --git a/BeReadyBackend/DTO/Groups/CreateGroupDto.cs b/BeReadyBackend/DTO/Groups/CreateGroupDto.cs
index 22e5efe..2cc42e7 100644
--- a/BeReadyBackend/DTO/Groups/CreateGroupDto.cs
+++ b/BeReadyBackend/DTO/Groups/CreateGroupDto.cs
@@ -3,9 +3,5 @@
 public class CreateGroupDto
 {
     public string? Label { get; set; }
-    public string? Title { get; set; }
-    public string? Description { get; set; }
-    public int Duration { get; set; }
-    public int? VoteDuration { get; set; }
     public List<CreateUserGroupDto>? UserGroups { get; set; }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/DTO/Groups/GetGroupDetailsDto.cs b/BeReadyBackend/DTO/Groups/GetGroupDetailsDto.cs
index 5a12732..eddb4be 100644
--- a/BeReadyBackend/DTO/Groups/GetGroupDetailsDto.cs
+++ b/BeReadyBackend/DTO/Groups/GetGroupDetailsDto.cs
@@ -6,10 +6,6 @@ public class GetGroupDetailsDto
 {
     public int Id { get; set; }
     public string? Label { get; set; }
-    public bool IsFinished { get; set; }
-    public string? Title { get; set; }
-    public string? Description { get; set; }
-    public int Duration { get; set; }
     public DateTime CreationDate { get; set; }
 
     public List<GetMessageDto>? Messages { get; set; }
diff --git a/BeReadyBackend/DTO/Groups/GetGroupDto.cs b/BeReadyBackend/DTO/Groups/GetGroupDto.cs
index b1a108a..77fa716 100644
--- a/BeReadyBackend/DTO/Groups/GetGroupDto.cs
+++ b/BeReadyBackend/DTO/Groups/GetGroupDto.cs
@@ -4,5 +4,4 @@ public class GetGroupDto
 {
     public int Id { get; set; }
     public string? Label { get; set; }
-    public bool IsFinished { get; set; }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/DTO/Groups/GetGroupRankingDto.cs b/BeReadyBackend/DTO/Groups/GetGroupRankingDto.cs
deleted file mode 100644
index 289bf2b..0000000
--- a/BeReadyBackend/DTO/Groups/GetGroupRankingDto.cs
+++ /dev/null
@@ -1,8 +0,0 @@
-namespace BeReadyBackend.DTO.Groups;
-
-public class GetGroupRankingDto
-{
-    public int UserId { get; set; }
-    public string? Username { get; set; }
-    public int Score { get; set; }
-}
\ No newline at end of file
diff --git a/BeReadyBackend/DTO/Groups/GetProofDto.cs b/BeReadyBackend/DTO/Groups/GetProofDto.cs
deleted file mode 100644
index 31c0ad3..0000000
--- a/BeReadyBackend/DTO/Groups/GetProofDto.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-namespace BeReadyBackend.DTO.Groups;
-
-public class GetProofDto
-{
-    public int UserId { get; set; }
-    public string? Username { get; set; }
-    public string? Proof { get; set; }
-    public int Score { get; set; }
-}
\ No newline at end of file
diff --git a/BeReadyBackend/DTO/Groups/GetUserGroupDto.cs b/BeReadyBackend/DTO/Groups/GetUserGroupDto.cs
index 61a9705..1114c2d 100644
--- a/BeReadyBackend/DTO/Groups/GetUserGroupDto.cs
+++ b/BeReadyBackend/DTO/Groups/GetUserGroupDto.cs
@@ -5,5 +5,4 @@ public class GetUserGroupDto
     public int Id { get; set; }
     public string? Username { get; set; }
     public string? Grade { get; set; }
-    public int Score { get; set; }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/DTO/RandomChallenges/GetRandomChallengeDto.cs b/BeReadyBackend/DTO/RandomChallenges/GetRandomChallengeDto.cs
index c2f1a09..4197bc2 100644
--- a/BeReadyBackend/DTO/RandomChallenges/GetRandomChallengeDto.cs
+++ b/BeReadyBackend/DTO/RandomChallenges/GetRandomChallengeDto.cs
@@ -5,7 +5,6 @@ public class GetRandomChallengeDto
     public int Id { get; set; }
     public string? Label { get; set; }
     public string? Libelle { get; set; }
-    public int Duration { get; set; }
     public bool IsAlreadyPast { get; set; }
     public DateTime? GeneratedAt { get; set; }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/DTO/Users/GetUserChallengeDto.cs b/BeReadyBackend/DTO/Users/GetUserChallengeDto.cs
index 102011b..caf3dec 100644
--- a/BeReadyBackend/DTO/Users/GetUserChallengeDto.cs
+++ b/BeReadyBackend/DTO/Users/GetUserChallengeDto.cs
@@ -4,6 +4,5 @@ public class GetUserChallengeDto
 {
     public string? ChallengeTitle { get; set; }
     public string? ChallengeDescription { get; set; }
-    public int ChallengeDuration { get; set; }
     public DateOnly ChallengeStartDate { get; set; }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/DTO/Users/GetUserStatsDto.cs b/BeReadyBackend/DTO/Users/GetUserStatsDto.cs
index 8d238a5..d5138f9 100644
--- a/BeReadyBackend/DTO/Users/GetUserStatsDto.cs
+++ b/BeReadyBackend/DTO/Users/GetUserStatsDto.cs
@@ -3,10 +3,7 @@
 public class GetUserStatsDto
 {
     public int Id { get; set; }
-    public int Score { get; set; }
-    public int TotalWin { get; set; }
+    public int TotalLikes { get; set; }
     public int TotalChallenge { get; set; }
-    public int TotalPodium { get; set; }
-    public int TotalBonusChallenge { get; set; }
     public int Series { get; set; }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/MappingProfiles/EntityToDtoMappings.cs b/BeReadyBackend/MappingProfiles/EntityToDtoMappings.cs
index f7f0290..61eefbc 100644
--- a/BeReadyBackend/MappingProfiles/EntityToDtoMappings.cs
+++ b/BeReadyBackend/MappingProfiles/EntityToDtoMappings.cs
@@ -49,8 +49,7 @@ public class EntityToDtoMappings : Profile
 
         CreateMap<UserGroup, GetUserGroupDto>()
             .ForMember(dest => dest.Id, opt => opt.MapFrom(src => src.UserId))
-            .ForMember(dest => dest.Username, opt => opt.MapFrom(src => src.User!.Username))
-            .ForMember(dest => dest.Score, opt => opt.MapFrom(src => src.User!.TotalLikes));
+            .ForMember(dest => dest.Username, opt => opt.MapFrom(src => src.User!.Username));
 
         CreateMap<UserGroup, GetGroupDto>()
             .ForMember(dest => dest.Id, opt => opt.MapFrom(src => src.GroupId))
@@ -63,12 +62,6 @@ public class EntityToDtoMappings : Profile
         CreateMap<Message, GetMessageDto>()
             .ForMember(dest => dest.Username, opt => opt.MapFrom(src => src.User!.Username));
 
-        CreateMap<UserGroup, GetProofDto>()
-            .ForMember(dest => dest.Username, opt => opt.MapFrom(src => src.User!.Username));
-
-        CreateMap<UserGroup, GetGroupRankingDto>()
-            .ForMember(dest => dest.Username, opt => opt.MapFrom(src => src.User!.Username));
-
         CreateMap<RandomChallenge, GetRandomChallengeDto>();
 
         CreateMap<Designation, GetDesignationDto>();
diff --git a/BeReadyBackend/Validators/Groups/CreateGroupDtoValidator.cs b/BeReadyBackend/Validators/Groups/CreateGroupDtoValidator.cs
index 780f379..3f50b38 100644
--- a/BeReadyBackend/Validators/Groups/CreateGroupDtoValidator.cs
+++ b/BeReadyBackend/Validators/Groups/CreateGroupDtoValidator.cs
@@ -15,27 +15,5 @@ public class CreateGroupDtoValidator : Validator<CreateGroupDto>
             .WithMessage("Label cannot exceed 100 characters")
             .MinimumLength(2)
             .WithMessage("Label must exceed 2 characters");
-
-        RuleFor(x => x.Title)
-            .NotEmpty()
-            .WithMessage("Title cannot be empty")
-            .MaximumLength(50)
-            .WithMessage("Title cannot exceed 50 characters")
-            .MinimumLength(2)
-            .WithMessage("Title must exceed 2 characters");
-
-        RuleFor(x => x.Description)
-            .NotEmpty()
-            .WithMessage("Description cannot be empty")
-            .MaximumLength(200)
-            .WithMessage("Description cannot exceed 200 characters")
-            .MinimumLength(2)
-            .WithMessage("Description must exceed 2 characters");
-
-        RuleFor(x => x.Duration)
-            .NotEmpty()
-            .WithMessage("Duration cannot be empty")
-            .GreaterThan(0)
-            .WithMessage("Duration must exceed 1 hour");
     }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/Validators/Groups/GetGroupDetailsDtoValidator.cs b/BeReadyBackend/Validators/Groups/GetGroupDetailsDtoValidator.cs
index d36c97b..3be62a4 100644
--- a/BeReadyBackend/Validators/Groups/GetGroupDetailsDtoValidator.cs
+++ b/BeReadyBackend/Validators/Groups/GetGroupDetailsDtoValidator.cs
@@ -22,32 +22,6 @@ public class GetGroupDetailsDtoValidator : Validator<GetGroupDetailsDto>
             .MinimumLength(2)
             .WithMessage("Label must exceed 2 characters");
 
-        RuleFor(x => x.IsFinished)
-            .NotEmpty()
-            .WithMessage("IsFinished cannot be empty");
-
-        RuleFor(x => x.Title)
-            .NotEmpty()
-            .WithMessage("Title cannot be empty")
-            .MaximumLength(50)
-            .WithMessage("Title cannot exceed 50 characters")
-            .MinimumLength(2)
-            .WithMessage("Title must exceed 2 characters");
-
-        RuleFor(x => x.Description)
-            .NotEmpty()
-            .WithMessage("Description cannot be empty")
-            .MaximumLength(200)
-            .WithMessage("Description cannot exceed 50 characters")
-            .MinimumLength(2)
-            .WithMessage("Description must exceed 2 characters");
-
-        RuleFor(x => x.Duration)
-            .NotEmpty()
-            .WithMessage("Duration cannot be empty")
-            .GreaterThan(0)
-            .WithMessage("Duration must exceed 1 hour");
-
         RuleFor(x => x.CreationDate)
             .NotEmpty()
             .WithMessage("CreationDate cannot be empty");
diff --git a/BeReadyBackend/Validators/Groups/GetGroupDtoValidator.cs b/BeReadyBackend/Validators/Groups/GetGroupDtoValidator.cs
index c2d16e3..5acfd05 100644
--- a/BeReadyBackend/Validators/Groups/GetGroupDtoValidator.cs
+++ b/BeReadyBackend/Validators/Groups/GetGroupDtoValidator.cs
@@ -21,9 +21,5 @@ public class GetGroupDtoValidator : Validator<GetGroupDto>
             .WithMessage("Label cannot exceed 100 characters")
             .MinimumLength(2)
             .WithMessage("Label must exceed 2 characters");
-
-        RuleFor(x => x.IsFinished)
-            .NotEmpty()
-            .WithMessage("IsFinished cannot be empty");
     }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/Validators/Groups/GetGroupRankingDtoValidator.cs b/BeReadyBackend/Validators/Groups/GetGroupRankingDtoValidator.cs
deleted file mode 100644
index ed0ae21..0000000
--- a/BeReadyBackend/Validators/Groups/GetGroupRankingDtoValidator.cs
+++ /dev/null
@@ -1,29 +0,0 @@
-using BeReadyBackend.DTO.Groups;
-using FastEndpoints;
-using FluentValidation;
-
-namespace BeReadyBackend.Validators.Groups;
-
-public class GetGroupRankingDtoValidator : Validator<GetGroupRankingDto>
-{
-    public GetGroupRankingDtoValidator()
-    {
-        RuleFor(x => x.UserId)
-            .NotEmpty()
-            .WithMessage("Id cannot be empty")
-            .GreaterThan(0)
-            .WithMessage("Id must be greater than 0");
-
-        RuleFor(x => x.Username)
-            .NotEmpty()
-            .WithMessage("Username cannot be empty")
-            .MaximumLength(50)
-            .WithMessage("Username cannot exceed 50 characters")
-            .MinimumLength(2)
-            .WithMessage("Username must exceed 2 characters");
-
-        RuleFor(x => x.Score)
-            .NotEmpty()
-            .WithMessage("Score cannot be empty");
-    }
-}
\ No newline at end of file
diff --git a/BeReadyBackend/Validators/Groups/GetProofDtoValidator.cs b/BeReadyBackend/Validators/Groups/GetProofDtoValidator.cs
deleted file mode 100644
index 2ba1155..0000000
--- a/BeReadyBackend/Validators/Groups/GetProofDtoValidator.cs
+++ /dev/null
@@ -1,33 +0,0 @@
-using BeReadyBackend.DTO.Groups;
-using FastEndpoints;
-using FluentValidation;
-
-namespace BeReadyBackend.Validators.Groups;
-
-public class GetProofDtoValidator : Validator<GetProofDto>
-{
-    public GetProofDtoValidator()
-    {
-        RuleFor(x => x.UserId)
-            .NotEmpty()
-            .WithMessage("Id cannot be empty")
-            .GreaterThan(0)
-            .WithMessage("Id must be greater than 0");
-
-        RuleFor(x => x.Username)
-            .NotEmpty()
-            .WithMessage("Username cannot be empty")
-            .MaximumLength(50)
-            .WithMessage("Username cannot exceed 50 characters")
-            .MinimumLength(2)
-            .WithMessage("Username must exceed 2 characters");
-
-        RuleFor(x => x.Proof)
-            .NotEmpty()
-            .WithMessage("Proof cannot be empty");
-
-        RuleFor(x => x.Score)
-            .NotEmpty()
-            .WithMessage("Score cannot be empty");
-    }
-}
\ No newline at end of file
diff --git a/BeReadyBackend/Validators/Groups/GetUserGroupDtoValidator.cs b/BeReadyBackend/Validators/Groups/GetUserGroupDtoValidator.cs
index 0d508ae..4c1bc9c 100644
--- a/BeReadyBackend/Validators/Groups/GetUserGroupDtoValidator.cs
+++ b/BeReadyBackend/Validators/Groups/GetUserGroupDtoValidator.cs
@@ -25,9 +25,5 @@ public class GetUserGroupDtoValidator : Validator<GetUserGroupDto>
         RuleFor(x => x.Grade)
             .NotEmpty()
             .WithMessage("Grade cannot be empty");
-
-        RuleFor(x => x.Score)
-            .NotEmpty()
-            .WithMessage("Score cannot be empty");
     }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/Validators/RandomChallenges/GetRandomChallengeDtoValidator.cs b/BeReadyBackend/Validators/RandomChallenges/GetRandomChallengeDtoValidator.cs
index 0518e26..3d6ef4a 100644
--- a/BeReadyBackend/Validators/RandomChallenges/GetRandomChallengeDtoValidator.cs
+++ b/BeReadyBackend/Validators/RandomChallenges/GetRandomChallengeDtoValidator.cs
@@ -24,12 +24,6 @@ public class GetRandomChallengeDtoValidator : Validator<GetRandomChallengeDto>
             .MinimumLength(2)
             .WithMessage("Libelle must exceed 2 characters");
 
-        RuleFor(x => x.Duration)
-            .NotEmpty()
-            .WithMessage("Duration cannot be empty")
-            .GreaterThan(0)
-            .WithMessage("Duration must exceed 1 hour");
-
         RuleFor(x => x.IsAlreadyPast)
             .NotEmpty()
             .WithMessage("Isalready past is required");
diff --git a/BeReadyBackend/Validators/Users/GetUserChallengeDtoValidator.cs b/BeReadyBackend/Validators/Users/GetUserChallengeDtoValidator.cs
index aaf5161..6f1f726 100644
--- a/BeReadyBackend/Validators/Users/GetUserChallengeDtoValidator.cs
+++ b/BeReadyBackend/Validators/Users/GetUserChallengeDtoValidator.cs
@@ -19,9 +19,5 @@ public class GetUserChallengeDtoValidator : Validator<GetUserChallengeDto>
             .WithMessage("Challenge Description is required")
             .MaximumLength(200)
             .WithMessage("Challenge Description cannot exceed 200 characters");
-
-        RuleFor(x => x.ChallengeDuration)
-            .NotEmpty()
-            .WithMessage("Challenge Duration is required");
     }
 }
\ No newline at end of file
diff --git a/BeReadyBackend/Validators/Users/GetUserStatsDtoValidator.cs b/BeReadyBackend/Validators/Users/GetUserStatsDtoValidator.cs
index 1f6d7e3..d4b5835 100644
--- a/BeReadyBackend/Validators/Users/GetUserStatsDtoValidator.cs
+++ b/BeReadyBackend/Validators/Users/GetUserStatsDtoValidator.cs
@@ -8,26 +8,14 @@ public class GetUserStatsDtoValidator : Validator<GetUserStatsDto>
 {
     public GetUserStatsDtoValidator()
     {
-        RuleFor(x => x.Score)
+        RuleFor(x => x.TotalLikes)
             .NotEmpty()
-            .WithMessage("Score is required");
-
-        RuleFor(x => x.TotalWin)
-            .NotEmpty()
-            .WithMessage("Total win is required");
+            .WithMessage("TotalLikes is required");
 
         RuleFor(x => x.TotalChallenge)
             .NotEmpty()
             .WithMessage("Total challenge is required");
 
-        RuleFor(x => x.TotalPodium)
-            .NotEmpty()
-            .WithMessage("Total podium is required");
-
-        RuleFor(x => x.TotalBonusChallenge)
-            .NotEmpty()
-            .WithMessage("Total bonus is required");
-
         RuleFor(x => x.Series)
             .NotEmpty()
             .WithMessage("Series is required");