diff --git a/src/Yavsc.Org.Tests/Controllers/ClientControllerCollectionTests.cs b/src/Yavsc.Org.Tests/Controllers/ClientControllerCollectionTests.cs
index cf18970e..8883c75d 100644
--- a/src/Yavsc.Org.Tests/Controllers/ClientControllerCollectionTests.cs
+++ b/src/Yavsc.Org.Tests/Controllers/ClientControllerCollectionTests.cs
@@ -290,150 +290,12 @@ public class ClientControllerCollectionTests : IClassFixture<TestWebApplicationF
     // indique IncludeCollection (donc un Include de collection, pas
     // de référence).
     //
-    // Ces tests exécutent la même query EF qu'un Include à la fois,
-    // sur le client cible déjà seedé par EnsureTargetClient, pour
-    // isoler le coupable. Tant que l'InMemory provider est
-    // incapable de matérialiser la nav, le test correspondant est
-    // rouge. Quand on a l'Include, on peut soit le charger autrement
-    // (AsSplitQuery, projection, etc.), soit basculer la fixture
-    // vers SQLite in-memory (cf. la discussion laissée ouverte
-    // 2026-07-11 sur fix/issue-3-splitquery).
-    private async Task<int> BisectClientDbId()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        return db.Clients.Single(c => c.ClientId == TargetClientId).Id;
-    }
-
-    [Fact]
-    public async Task Bisect_RedirectUris_alone()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .Include(c => c.RedirectUris)
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-        Assert.NotNull(client!.RedirectUris);
-    }
-
-    [Fact]
-    public async Task Bisect_PostLogoutRedirectUris_alone()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .Include(c => c.PostLogoutRedirectUris)
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-        Assert.NotNull(client!.PostLogoutRedirectUris);
-    }
-
-    [Fact]
-    public async Task Bisect_AllowedScopes_alone()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .Include(c => c.AllowedScopes)
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-        Assert.NotNull(client!.AllowedScopes);
-    }
-
-    [Fact]
-    public async Task Bisect_AllowedGrantTypes_alone()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .Include(c => c.AllowedGrantTypes)
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-        Assert.NotNull(client!.AllowedGrantTypes);
-    }
-
-    [Fact]
-    public async Task Bisect_AllowedCorsOrigins_alone()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .Include(c => c.AllowedCorsOrigins)
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-        Assert.NotNull(client!.AllowedCorsOrigins);
-    }
-
-    [Fact]
-    public async Task Bisect_IdentityProviderRestrictions_alone()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .Include(c => c.IdentityProviderRestrictions)
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-        Assert.NotNull(client!.IdentityProviderRestrictions);
-    }
-
-    [Fact]
-    public async Task Bisect_Claims_alone()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .Include(c => c.Claims)
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-        Assert.NotNull(client!.Claims);
-    }
-
-    [Fact]
-    public async Task Bisect_Properties_alone()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .Include(c => c.Properties)
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-        Assert.NotNull(client!.Properties);
-    }
-
-    [Fact]
-    public async Task Bisect_ClientSecrets_alone()
-    {
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .Include(c => c.ClientSecrets)
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-        Assert.NotNull(client!.ClientSecrets);
-    }
-
-    [Fact]
-    public async Task Bisect_baseline_no_include()
-    {
-        // Sanity check : la query de base (sans Include) doit passer.
-        // Si celle-ci échoue, le problème n'est pas un Include.
-        await using var scope = _factory.Services.CreateAsyncScope();
-        var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
-        var id = await BisectClientDbId();
-        var client = await db.Clients
-            .SingleOrDefaultAsync(c => c.Id == id, TestContext.Current.CancellationToken);
-        Assert.NotNull(client);
-    }
+    // 2026-07-11 fix/issue-3-splitquery: tests retirés car leur hypothèse
+    // ("bug de provider InMemory sur ces 3 entités") n'est pas la cause
+    // racine — c'est une redondance de mapping HasOne dans
+    // ApplicationDbContext.OnModelCreating. Le test gardien
+    // EditRedirectUris_GET_after_add_lists_both_uris reste en place
+    // comme sentinelle de régression sur le fix.
 
     private static string? ExtractAntiforgeryToken(string html)
     {
diff --git a/src/Yavsc.Org/Controllers/Administration/ClientController.Collections.cs b/src/Yavsc.Org/Controllers/Administration/ClientController.Collections.cs
index 5569bf77..b31ec0c3 100644
--- a/src/Yavsc.Org/Controllers/Administration/ClientController.Collections.cs
+++ b/src/Yavsc.Org/Controllers/Administration/ClientController.Collections.cs
@@ -287,7 +287,6 @@ public partial class ClientController
 
     private async Task<Client?> LoadClientAsync(int id)
         => await dbContext.Clients
-            .AsSplitQuery()
             .Include(c => c.RedirectUris)
             .Include(c => c.PostLogoutRedirectUris)
             .Include(c => c.AllowedScopes)
diff --git a/src/Yavsc.Server/Models/ApplicationDbContext.cs b/src/Yavsc.Server/Models/ApplicationDbContext.cs
index c3404aed..fd924944 100644
--- a/src/Yavsc.Server/Models/ApplicationDbContext.cs
+++ b/src/Yavsc.Server/Models/ApplicationDbContext.cs
@@ -131,13 +131,10 @@ namespace Yavsc.Models
 
             //    builder.Entity<IdentityUserLogin<String>>().HasKey(i=> new { i.LoginProvider, i.UserId, i.ProviderKey });
             builder.Entity<ClientSecret>().HasOne<Client>().WithMany(e => e.ClientSecrets).HasForeignKey(e => e.ClientId);
-            builder.Entity<ClientScope>().HasOne<Client>().WithMany(e => e.AllowedScopes).HasForeignKey(e => e.ClientId);
             builder.Entity<ClientIdPRestriction>().HasOne<Client>().WithMany(e => e.IdentityProviderRestrictions).HasForeignKey(e => e.ClientId);
             builder.Entity<ClientProperty>().HasOne<Client>().WithMany(e => e.Properties).HasForeignKey(e => e.ClientId);
             builder.Entity<ClientPostLogoutRedirectUri>().HasOne<Client>().WithMany(e => e.PostLogoutRedirectUris).HasForeignKey(e => e.ClientId);
-            builder.Entity<ClientRedirectUri>().HasOne<Client>().WithMany(e => e.RedirectUris).HasForeignKey(e => e.ClientId);
             builder.Entity<ClientCorsOrigin>().HasOne<Client>().WithMany(e => e.AllowedCorsOrigins).HasForeignKey(e => e.ClientId);
-            builder.Entity<ClientGrantType>().HasOne<Client>().WithMany(e => e.AllowedGrantTypes).HasForeignKey(e => e.ClientId);
             builder.Entity<ApiResourceSecret>().HasOne<ApiResource>().WithMany(e => e.Secrets).HasForeignKey(e => e.ApiResourceId);
             builder.Entity<ApiResourceScope>().HasOne<ApiResource>().WithMany(e => e.Scopes).HasForeignKey(e => e.ApiResourceId);
             builder.Entity<ApiResourceClaim>().HasOne<ApiResource>().WithMany(e => e.UserClaims).HasForeignKey(e => e.ApiResourceId);