using cleanup.

PerfectNumbers.Core.Tests/Gpu/PrimeTesterGpuTests.cs

@@ -1,6 +1,4 @@
-using System.Threading;
 using FluentAssertions;
-using PerfectNumbers.Core;
 using PerfectNumbers.Core.Gpu;
 using Xunit;
 

PerfectNumbers.Core.Tests/MersenneDivisorCyclesGenerateGpuTests.cs

@@ -1,7 +1,4 @@
-using System.Collections.Generic;
-using System.IO;
 using FluentAssertions;
-using PerfectNumbers.Core;
 using Xunit;
 
 namespace PerfectNumbers.Core.Tests;

PerfectNumbers.Core.Tests/MersenneNumberDivisorGpuTesterTests.cs

@@ -1,7 +1,5 @@
 using FluentAssertions;
 using PerfectNumbers.Core.Gpu;
-using System;
-using System.Numerics;
 using System.Reflection;
 using Xunit;
 

PerfectNumbers.Core.Tests/MersenneNumberOrderGpuTesterTests.cs

@@ -1,9 +1,5 @@
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
 using System.Reflection;
 using FluentAssertions;
-using PerfectNumbers.Core;
 using PerfectNumbers.Core.Gpu;
 using Xunit;
 using UInt128 = System.UInt128;

PerfectNumbers.Core.Tests/PrimesGeneratorTests.cs

@@ -1,5 +1,4 @@
 using FluentAssertions;
-using PerfectNumbers.Core;
 using Xunit;
 
 namespace PerfectNumbers.Core.Tests;