diff --git a/src/Pure.DI.Core/Core/Code/CompositionBuilder.cs b/src/Pure.DI.Core/Core/Code/CompositionBuilder.cs
index b98a7586..657f4107 100644
--- a/src/Pure.DI.Core/Core/Code/CompositionBuilder.cs
+++ b/src/Pure.DI.Core/Core/Code/CompositionBuilder.cs
@@ -50,7 +50,7 @@ public CompositionCode Build(DependencyGraph graph)
             ctx.Code.AppendLine($"return {buildTools.OnInjected(ctx, rootBlock.Current)};");
             ctx.Code.AppendLines(ctx.LocalFunctionsCode.Lines);
 
-            var args = GetRootArgs(map.Values).ToImmutableArray();
+            var args = GetRootArgs(map.Values).ToList();
             var processedRoot = root with
             {
                 Lines = ctx.Code.Lines.ToImmutableArray(),
diff --git a/src/Pure.DI.Core/Core/Code/IInjections.cs b/src/Pure.DI.Core/Core/Code/IInjections.cs
index 6ab28a7a..8bb7313a 100644
--- a/src/Pure.DI.Core/Core/Code/IInjections.cs
+++ b/src/Pure.DI.Core/Core/Code/IInjections.cs
@@ -6,5 +6,5 @@ internal interface IInjections
     
     void PropertyInjection(string targetName, BuildContext ctx, DpProperty property, Variable propertyVariable);
     
-    void MethodInjection(string targetName, BuildContext ctx, DpMethod method, ImmutableArray<Variable> methodArgs);
+    void MethodInjection(string targetName, BuildContext ctx, DpMethod method, IReadOnlyList<Variable> methodArgs);
 }
\ No newline at end of file
diff --git a/src/Pure.DI.Core/Core/Code/ImplementationCodeBuilder.cs b/src/Pure.DI.Core/Core/Code/ImplementationCodeBuilder.cs
index b86f1215..89746782 100644
--- a/src/Pure.DI.Core/Core/Code/ImplementationCodeBuilder.cs
+++ b/src/Pure.DI.Core/Core/Code/ImplementationCodeBuilder.cs
@@ -109,9 +109,9 @@ public void Build(BuildContext ctx, in DpImplementation implementation)
 
     private string CreateInstantiation(
         BuildContext ctx,
-        ImmutableArray<Variable> constructorArgs,
-        ImmutableArray<(Variable RequiredVariable, DpField RequiredField)>.Builder requiredFields,
-        ImmutableArray<(Variable RequiredVariable, DpProperty RequiredProperty)>.Builder requiredProperties)
+        IReadOnlyCollection<Variable> constructorArgs,
+        IReadOnlyCollection<(Variable RequiredVariable, DpField RequiredField)> requiredFields,
+        IReadOnlyCollection<(Variable RequiredVariable, DpProperty RequiredProperty)> requiredProperties)
     {
         var code = new StringBuilder();
         var variable = ctx.Variable;
diff --git a/src/Pure.DI.Core/Core/Code/Injections.cs b/src/Pure.DI.Core/Core/Code/Injections.cs
index c15942d2..01eb3790 100644
--- a/src/Pure.DI.Core/Core/Code/Injections.cs
+++ b/src/Pure.DI.Core/Core/Code/Injections.cs
@@ -12,10 +12,10 @@ public  void PropertyInjection(string targetName, BuildContext ctx, DpProperty p
         ctx.Code.AppendLine($"{targetName}.{property.Property.Name} = {ctx.BuildTools.OnInjected(ctx, propertyVariable)};");
     }
 
-    public  void MethodInjection(string targetName, BuildContext ctx, DpMethod method, ImmutableArray<Variable> methodArgs)
+    public  void MethodInjection(string targetName, BuildContext ctx, DpMethod method, IReadOnlyList<Variable> methodArgs)
     {
         var args = new List<string>();
-        for (var index = 0; index < methodArgs.Length; index++)
+        for (var index = 0; index < methodArgs.Count; index++)
         {
             var variable = methodArgs[index];
             if (index < method.Parameters.Length)
diff --git a/src/Pure.DI.Core/Core/Code/ResolverInfo.cs b/src/Pure.DI.Core/Core/Code/ResolverInfo.cs
index 3f5f6640..e50aff4e 100644
--- a/src/Pure.DI.Core/Core/Code/ResolverInfo.cs
+++ b/src/Pure.DI.Core/Core/Code/ResolverInfo.cs
@@ -3,7 +3,7 @@ namespace Pure.DI.Core.Code;
 internal record ResolverInfo(
     int Id,
     ITypeSymbol Type,
-    ImmutableArray<Root> Roots)
+    IReadOnlyCollection<Root> Roots)
 {
     public string ClassName => $"{Names.ResolverClassName}_{Id:0000}";
 }
\ No newline at end of file
diff --git a/src/Pure.DI.Core/Core/Code/ResolversBuilder.cs b/src/Pure.DI.Core/Core/Code/ResolversBuilder.cs
index 5b1674a0..b9e13fc7 100644
--- a/src/Pure.DI.Core/Core/Code/ResolversBuilder.cs
+++ b/src/Pure.DI.Core/Core/Code/ResolversBuilder.cs
@@ -12,5 +12,5 @@ public IEnumerable<ResolverInfo> Build(RootContext ctx) =>
             .Where(i => !ReferenceEquals(i.Injection.Tag, MdTag.ContextTag))
             .Where(i => typeResolver.Resolve(ctx.Setup, i.Injection.Type).TypeArgs.Count == 0)
             .GroupBy(i => i.Injection.Type, SymbolEqualityComparer.Default)
-            .Select((i, id) => new ResolverInfo(id, (ITypeSymbol)i.Key!, i.ToImmutableArray()));
+            .Select((i, id) => new ResolverInfo(id, (ITypeSymbol)i.Key!, i.ToList()));
 }
\ No newline at end of file
diff --git a/src/Pure.DI.Core/Core/Code/TypeResolver.cs b/src/Pure.DI.Core/Core/Code/TypeResolver.cs
index 5370864e..b22c8b39 100644
--- a/src/Pure.DI.Core/Core/Code/TypeResolver.cs
+++ b/src/Pure.DI.Core/Core/Code/TypeResolver.cs
@@ -45,7 +45,7 @@ private TypeDescription Resolve(MdSetup setup, ITypeSymbol type, ITypeParameterS
                     args.AddRange(item.description.TypeArgs);
                 }
 
-                description = new TypeDescription($"({string.Join(", ", elements)})", args.Distinct().ToImmutableArray(), typeParam);
+                description = new TypeDescription($"({string.Join(", ", elements)})", args.Distinct().ToList(), typeParam);
             }
                 break;
 
@@ -60,7 +60,7 @@ private TypeDescription Resolve(MdSetup setup, ITypeSymbol type, ITypeParameterS
                 }
 
                 var name = string.Join("", namedTypeSymbol.ToDisplayParts().TakeWhile(i => i.ToString() != "<"));
-                description = new TypeDescription($"{name}<{string.Join(", ", types)}>", args.Distinct().ToImmutableArray(), typeParam);
+                description = new TypeDescription($"{name}<{string.Join(", ", types)}>", args.Distinct().ToList(), typeParam);
             }
                 break;
 
diff --git a/src/Pure.DI.Core/Core/DependenciesToVariablesWalker.cs b/src/Pure.DI.Core/Core/DependenciesToVariablesWalker.cs
index dcb51b82..69dbc842 100644
--- a/src/Pure.DI.Core/Core/DependenciesToVariablesWalker.cs
+++ b/src/Pure.DI.Core/Core/DependenciesToVariablesWalker.cs
@@ -14,9 +14,9 @@ public DependenciesToVariablesWalker(ICollection<Variable> variables)
             .ToDictionary(i => i.Key, i => new LinkedList<Variable>(i));
     }
 
-    public ImmutableArray<Variable> GetResult()
+    public IReadOnlyList<Variable> GetResult()
     {
-        var result = _resultBuilder.ToImmutable();
+        var result = _resultBuilder.ToList();
         _resultBuilder.Clear();
         return result;
     }
diff --git a/src/Pure.DI.Core/Core/DependencyGraphBuilder.cs b/src/Pure.DI.Core/Core/DependencyGraphBuilder.cs
index ec236ff7..99575deb 100644
--- a/src/Pure.DI.Core/Core/DependencyGraphBuilder.cs
+++ b/src/Pure.DI.Core/Core/DependencyGraphBuilder.cs
@@ -6,7 +6,7 @@
 
 namespace Pure.DI.Core;
 
-using Injection = Models.Injection;
+using Injection = Injection;
 
 internal sealed class DependencyGraphBuilder(
     IEnumerable<IBuilder<MdSetup, IEnumerable<DependencyNode>>> dependencyNodeBuilders,
@@ -341,7 +341,7 @@ public IEnumerable<DependencyNode> TryBuild(
                 edges.Add(dependency);
             }
 
-            entries.Add(new GraphEntry<DependencyNode, Dependency>(node.Node, edges.ToImmutableArray()));
+            entries.Add(new GraphEntry<DependencyNode, Dependency>(node.Node, edges));
         }
 
         var graph = new Graph<DependencyNode, Dependency>(entries);
diff --git a/src/Pure.DI.Core/Core/DependencyGraphLocationsWalker.cs b/src/Pure.DI.Core/Core/DependencyGraphLocationsWalker.cs
index 190be8c1..5e789eea 100644
--- a/src/Pure.DI.Core/Core/DependencyGraphLocationsWalker.cs
+++ b/src/Pure.DI.Core/Core/DependencyGraphLocationsWalker.cs
@@ -6,7 +6,7 @@ internal sealed class DependencyGraphLocationsWalker(in Injection injection)
     private readonly Injection _injection = injection;
     private readonly ImmutableArray<Location>.Builder _locationsBuilder = ImmutableArray.CreateBuilder<Location>();
 
-    public ImmutableArray<Location> Locations => _locationsBuilder.ToImmutableArray();
+    public IReadOnlyCollection<Location> Locations => _locationsBuilder.ToList();
 
     public override void VisitInjection(
         in Unit ctx,
diff --git a/src/Pure.DI.Core/Core/Disposables.cs b/src/Pure.DI.Core/Core/Disposables.cs
index 8051b0e3..bb902f91 100644
--- a/src/Pure.DI.Core/Core/Disposables.cs
+++ b/src/Pure.DI.Core/Core/Disposables.cs
@@ -16,9 +16,9 @@ internal static class Disposables
     public static IDisposable Create(Action action) => new DisposableAction(action);
 
     public static IDisposable Create(params IDisposable[] disposables) =>
-        Create(disposables.ToImmutableArray());
+        Create(disposables.ToList());
 
-    public static IDisposable Create(in ImmutableArray<IDisposable> disposables) =>
+    public static IDisposable Create(in IReadOnlyCollection<IDisposable> disposables) =>
         new CompositeDisposable(disposables);
 
     public static IDisposable Create(IEnumerable<IDisposable> disposables) =>
@@ -64,9 +64,9 @@ public override int GetHashCode() =>
             _key != null ? _key.GetHashCode() : 0;
     }
 
-    private class CompositeDisposable(in ImmutableArray<IDisposable> disposables) : IDisposable
+    private class CompositeDisposable(in IReadOnlyCollection<IDisposable> disposables) : IDisposable
     {
-        private readonly ImmutableArray<IDisposable> _disposables = disposables;
+        private readonly IReadOnlyCollection<IDisposable> _disposables = disposables;
         private int _counter;
 
         public void Dispose()
diff --git a/src/Pure.DI.Core/Core/Graph.cs b/src/Pure.DI.Core/Core/Graph.cs
index 97a21c89..c7ef87bc 100644
--- a/src/Pure.DI.Core/Core/Graph.cs
+++ b/src/Pure.DI.Core/Core/Graph.cs
@@ -6,7 +6,6 @@ internal sealed class Graph<TVertex, TEdge> : IGraph<TVertex, TEdge>
     where TEdge : IEdge<TVertex>
     where TVertex : notnull
 {
-    private readonly List<GraphEntry<TVertex, TEdge>> _entries = [];
     private readonly Dictionary<TVertex, GraphEntry<TVertex, TEdge>> _inOutEdges;
     private readonly Dictionary<TVertex, GraphEntry<TVertex, TEdge>> _outInEdges;
     private readonly List<TEdge> _edges = [];
@@ -20,7 +19,6 @@ public Graph(
         var outInEdges = new Dictionary<TVertex, List<TEdge>>(comparer);
         foreach (var entry in entries)
         {
-            _entries.Add(entry);
             _inOutEdges.Add(entry.Target, entry);
             foreach (var edge in entry.Edges)
             {
@@ -35,7 +33,9 @@ public Graph(
             }
         }
 
-        _outInEdges = outInEdges.ToDictionary(i => i.Key, i => new GraphEntry<TVertex, TEdge>(i.Key, i.Value));
+        _outInEdges = outInEdges.ToDictionary(
+            i => i.Key,
+            i => new GraphEntry<TVertex, TEdge>(i.Key, i.Value));
     }
 
     public IEnumerable<TVertex> Vertices => _inOutEdges.Keys;
@@ -65,10 +65,4 @@ public bool TryGetOutEdges(in TVertex source, out IReadOnlyCollection<TEdge> edg
         edges = ImmutableArray<TEdge>.Empty;
         return false;
     }
-
-    public IGraph<TVertex, TEdge> Consolidate(ISet<TVertex> vertices) =>
-        new Graph<TVertex, TEdge>(
-            _entries.Where(i =>
-                vertices.Contains(i.Target)
-                || vertices.Intersect(i.Edges.Select(j => j.Source)).Any()));
 }
\ No newline at end of file
diff --git a/src/Pure.DI.Core/Core/InitializersWalker.cs b/src/Pure.DI.Core/Core/InitializersWalker.cs
index 55d88e06..c1f1a771 100644
--- a/src/Pure.DI.Core/Core/InitializersWalker.cs
+++ b/src/Pure.DI.Core/Core/InitializersWalker.cs
@@ -33,7 +33,7 @@ public override void VisitMethod(in BuildContext ctx, in DpMethod method)
         base.VisitMethod(in ctx, in method);
         var curCtx = ctx;
         var curMethod = method;
-        var curVariables = _variables.ToImmutableArray();
+        var curVariables = _variables.ToList();
         _actions.Add(new (() => injections.MethodInjection(variableName, curCtx, curMethod, curVariables), curMethod.Ordinal));
         _variables.Clear();
     }
diff --git a/src/Pure.DI.Core/Core/InstanceDpProvider.cs b/src/Pure.DI.Core/Core/InstanceDpProvider.cs
index 151e5209..f1fd7a41 100644
--- a/src/Pure.DI.Core/Core/InstanceDpProvider.cs
+++ b/src/Pure.DI.Core/Core/InstanceDpProvider.cs
@@ -20,7 +20,6 @@ public InstanceDp Get(
         setupAttributesBuilder.AddRange(setup.TagAttributes);
         setupAttributesBuilder.AddRange(setup.TypeAttributes);
         var setupAttributes = setupAttributesBuilder.MoveToImmutable();
-        
         var methods = new List<DpMethod>();
         var fields = new List<DpField>();
         var properties = new List<DpProperty>();
diff --git a/tests/Pure.DI.IntegrationTests/TestExtensions.cs b/tests/Pure.DI.IntegrationTests/TestExtensions.cs
index 13e7d9f0..d73ab822 100644
--- a/tests/Pure.DI.IntegrationTests/TestExtensions.cs
+++ b/tests/Pure.DI.IntegrationTests/TestExtensions.cs
@@ -85,7 +85,7 @@ internal static async Task<Result> RunAsync(this string setupCode, Options? opti
                 logs,
                 errors,
                 warnings,
-                dependencyGraphObserver.Values.ToImmutableArray(),
+                dependencyGraphObserver.Values,
                 string.Empty);
         }
 
@@ -129,7 +129,7 @@ internal static async Task<Result> RunAsync(this string setupCode, Options? opti
                     logs,
                     errors,
                     warnings,
-                    dependencyGraphObserver.Values.ToImmutableArray(),
+                    dependencyGraphObserver.Values,
                     generatedCode);
             }
 
@@ -166,7 +166,7 @@ internal static async Task<Result> RunAsync(this string setupCode, Options? opti
                 logs,
                 errors,
                 warnings,
-                dependencyGraphObserver.Values.ToImmutableArray(),
+                dependencyGraphObserver.Values,
                 generatedCode);
 
             void StdOutReceived(object sender, DataReceivedEventArgs args)
diff --git a/tests/Pure.DI.IntegrationTests/TuplesTests.cs b/tests/Pure.DI.IntegrationTests/TuplesTests.cs
index b3cc58ba..f78bc6b7 100644
--- a/tests/Pure.DI.IntegrationTests/TuplesTests.cs
+++ b/tests/Pure.DI.IntegrationTests/TuplesTests.cs
@@ -125,8 +125,8 @@ public static void Main()
 
         // Then
         result.Success.ShouldBeFalse(result);
-        var errors = result.Logs.Where(i => i.Id == LogId.ErrorUnableToResolve).ToImmutableArray();
-        errors.Length.ShouldBe(1, result);
+        var errors = result.Logs.Where(i => i.Id == LogId.ErrorUnableToResolve).ToList();
+        errors.Count.ShouldBe(1, result);
     }
 
     [Fact]
diff --git a/tests/Pure.DI.UsageTests/Hints/OnNewInstanceHintScenario.cs b/tests/Pure.DI.UsageTests/Hints/OnNewInstanceHintScenario.cs
index 9e8f0700..0889472d 100644
--- a/tests/Pure.DI.UsageTests/Hints/OnNewInstanceHintScenario.cs
+++ b/tests/Pure.DI.UsageTests/Hints/OnNewInstanceHintScenario.cs
@@ -18,7 +18,6 @@
 
 namespace Pure.DI.UsageTests.Hints.OnNewInstanceHintScenario;
 
-using System.Collections.Immutable;
 using Shouldly;
 using Xunit;