diff --git a/csharp/lib/S3.Tests/S3.Tests.csproj b/csharp/lib/S3.Tests/S3.Tests.csproj
deleted file mode 100644
index 2925a0799..000000000
--- a/csharp/lib/S3.Tests/S3.Tests.csproj
+++ /dev/null
@@ -1,20 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-    <Import Project="../InnovEnergy.lib.props" />
-
-    <PropertyGroup>
-        <IsPackable>false</IsPackable>
-        <LangVersion>latest</LangVersion>
-    </PropertyGroup>
-
-    <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
-        <PackageReference Include="MSTest.TestAdapter" Version="2.1.1" />
-        <PackageReference Include="MSTest.TestFramework" Version="2.1.1" />
-        <PackageReference Include="coverlet.collector" Version="1.3.0" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <ProjectReference Include="..\S3\S3.csproj" />
-    </ItemGroup>
-
-</Project>
diff --git a/csharp/lib/S3.Tests/UnitTest1.cs b/csharp/lib/S3.Tests/UnitTest1.cs
deleted file mode 100644
index 0545d3fb5..000000000
--- a/csharp/lib/S3.Tests/UnitTest1.cs
+++ /dev/null
@@ -1,225 +0,0 @@
-using InnovEnergy.S3.Drivers;
-using InnovEnergy.S3.Metadata;
-using InnovEnergy.S3.Records;
-using InnovEnergy.S3.Records.Fields;
-using InnovEnergy.S3.Records.Specialized;
-using InnovEnergy.Time.Unix;
-using Microsoft.VisualStudio.TestTools.UnitTesting;
-using static InnovEnergy.Time.Unix.UnixTimeSpan;
-
-namespace S3.Tests;
-
-using Memory = Dictionary<String, TimeStampedRecord>;
-
-[TestClass]
-public class UnitTest1
-{
-    public IReadOnlyList<AggregationLevel> Levels { get; set; }
-
-    [TestInitialize]
-    public void Init()
-    {
-        Levels =  new []
-        {
-            new AggregationLevel( 2.Seconds(),  54.Weeks()),
-            new AggregationLevel(10.Seconds(),  54.Weeks()),
-            new AggregationLevel( 1.Minutes(),  54.Weeks()),
-            new AggregationLevel( 5.Minutes(), 540.Weeks()),
-            new AggregationLevel(15.Minutes(), 540.Weeks()),
-            new AggregationLevel( 1.Hours()  , 540.Weeks()),
-            new AggregationLevel( 6.Hours()  , 540.Weeks()),
-            new AggregationLevel( 1.Days()   , 540.Weeks()),
-            new AggregationLevel( 1.Weeks()  , Forever)
-        };
-
-    }
-
-    [TestMethod]
-    public void Test1()
-    {
-        var retentionPeriod = 4.Seconds();
-        var samplePeriod    = 2.Seconds();
-
-        var level0 = new AggregationLevel(samplePeriod, retentionPeriod);
-        var levels = new[] {level0};
-
-        var records = level0
-            .RangeExclusive(UnixTime.Epoch, UnixTime.Epoch + 4 * level0.SamplePeriod)
-            .Select(TimeStampedRecord.Empty);
-
-        var memory = new Memory();
-
-        using (var d = new MemoryDriver(levels, UnixTime.Epoch, memory))
-            foreach (var record in records)
-                d.WriteRecord(record);
-
-        Assert.AreEqual(memory.Count, (Int32) (retentionPeriod/samplePeriod));
-    }
-
-    [TestMethod]
-    public void Test2()
-    {
-        var l0 = new AggregationLevel(2.Seconds(), Forever);
-        var l1 = new AggregationLevel(10.Seconds(), Forever);
-
-        var levels = new[] {l0, l1};
-
-        var l1Key = l1.SamplePeriod.ToString();
-        var l0Key = l0.SamplePeriod.ToString();
-
-        var records = l0
-            .RangeExclusive(UnixTime.Epoch, UnixTime.Epoch + l1.SamplePeriod)
-            .Select(TimeStampedRecord.Empty);
-
-        var memory = new Memory();
-
-        using (var d = new MemoryDriver(levels, UnixTime.Epoch, memory))
-            foreach (var record in records)
-                d.WriteRecord(record);
-
-        var n0 = memory.Count(kv => kv.Key.StartsWith(l0Key));
-        var n1 = memory.Count(kv => kv.Key.StartsWith(l1Key));
-
-        Assert.AreEqual(5, n0);
-        Assert.AreEqual(1, n1);
-    }
-
-    [TestMethod]
-    public void Test3()
-    {
-        var l0 = new AggregationLevel(2.Seconds(), Forever);
-        var l1 = new AggregationLevel(10.Seconds(), Forever);
-
-        var levels = new[] {l0, l1};
-
-        var l1Key = l1.SamplePeriod.ToString();
-        var l0Key = l0.SamplePeriod.ToString();
-
-        var records = l0
-            .RangeExclusive(UnixTime.Epoch, UnixTime.Epoch + l1.SamplePeriod + l0.SamplePeriod)
-            .Select(TimeStampedRecord.Empty);
-
-        var memory = new Memory();
-
-        using (var d = new MemoryDriver(levels, UnixTime.Epoch, memory))
-            foreach (var record in records)
-                d.WriteRecord(record);
-
-        var n0 = memory.Count(kv => kv.Key.StartsWith(l0Key));
-        var n1 = memory.Count(kv => kv.Key.StartsWith(l1Key));
-
-        Assert.AreEqual(6, n0);
-        Assert.AreEqual(2, n1);
-    }
-
-    [TestMethod]
-    public void Test4()
-    {
-        var l0 = new AggregationLevel(2.Seconds(), Forever);
-        var l1 = new AggregationLevel(10.Seconds(), Forever);
-
-        var levels = new[] {l0, l1};
-
-        var l1Key = l1.SamplePeriod.ToString();
-        var l0Key = l0.SamplePeriod.ToString();
-
-        var startTime = UnixTime.Epoch + l0.SamplePeriod;
-        var endTime   = UnixTime.Epoch + l1.SamplePeriod + l0.SamplePeriod;
-
-        var records = l0
-            .RangeExclusive(startTime, endTime)
-            .Select(TimeStampedRecord.Empty);
-
-        var memory = new Memory();
-
-        using (var d = new MemoryDriver(levels, startTime, memory))
-            foreach (var record in records)
-                d.WriteRecord(record);
-
-        var n0 = memory.Count(kv => kv.Key.StartsWith(l0Key));
-        var n1 = memory.Count(kv => kv.Key.StartsWith(l1Key));
-
-        Assert.AreEqual(5, n0);
-        Assert.AreEqual(2, n1);
-    }
-
-
-    [TestMethod]
-    public void Test5()
-    {
-        var l0 = new AggregationLevel(2.Seconds(), Forever);
-        var l1 = new AggregationLevel(10.Seconds(), Forever);
-
-        var levels = new[] {l0, l1};
-
-        var l1Key = l1.SamplePeriod.ToString();
-
-        var startTime = UnixTime.Epoch;
-        var endTime   = UnixTime.Epoch + l1.SamplePeriod;
-
-        Record CreateRecord(Int32 n) => Record.ParseDict(new () {["Number"] = n});
-
-        var records = l0
-            .RangeExclusive(startTime, endTime)
-            .Select((t, i) => CreateRecord(i).TimeStamped(t));
-
-        var memory = new Memory();
-
-        using (var d = new MemoryDriver(levels, startTime, memory))
-            foreach (var record in records)
-                d.WriteRecord(record);
-
-        var f1 = memory
-            .Single(kv => kv.Key.StartsWith(l1Key))
-            .Value
-            .Record
-            .GetField<NumberField>("Number");
-
-        Assert.AreEqual(Enumerable.Range(0, (Int32) (l1.SamplePeriod / l0.SamplePeriod)).Average(), f1.Value);
-    }
-
-    [TestMethod]
-    public void Test6()
-    {
-        var l0 = new AggregationLevel(2.Seconds(), Forever);
-        var l1 = new AggregationLevel(10.Seconds(), Forever);
-
-        var levels = new[] {l0, l1};
-
-        var l1Key = l1.SamplePeriod.ToString();
-
-        var startTime = UnixTime.Epoch;
-        var endTime   = UnixTime.Epoch + l1.SamplePeriod;
-
-
-
-        Record CreateRecord(Int32 n)
-        {
-            var subRec = Record.ParseDict(new() {["Number"] = n});
-
-            return Record.ParseDict(new (){["Sub"] = subRec});
-
-            // return new Record(new Record(new NumberField("Number", n)));
-        }
-
-        var records = l0
-            .RangeExclusive(startTime, endTime)
-            .Select((t, i) => CreateRecord(i).TimeStamped(t));
-
-        var memory = new Memory();
-
-        using (var d = new MemoryDriver(levels, startTime, memory))
-            foreach (var record in records)
-                d.WriteRecord(record);
-
-        var f1 = memory
-            .Single(kv => kv.Key.StartsWith(l1Key))
-            .Value
-            .Record
-            .GetField<Record>("Sub")
-            .GetField<NumberField>("Number");
-
-        Assert.AreEqual(Enumerable.Range(0, (Int32) (l1.SamplePeriod / l0.SamplePeriod)).Average(), f1.Value);
-    }
-
-}
\ No newline at end of file