diff --git a/tests/Neo.SmartContract.Framework.UnitTests/Services/SequencePointInserterTest.cs b/tests/Neo.SmartContract.Framework.UnitTests/Services/SequencePointInserterTest.cs
index 17e9819d3..76b3cfb0a 100644
--- a/tests/Neo.SmartContract.Framework.UnitTests/Services/SequencePointInserterTest.cs
+++ b/tests/Neo.SmartContract.Framework.UnitTests/Services/SequencePointInserterTest.cs
@@ -1,5 +1,4 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using Neo.SmartContract.Template.UnitTests.templates;
 using Neo.SmartContract.Testing;
 using Neo.SmartContract.Testing.TestingStandards;
 using Neo.VM;
diff --git a/tests/Neo.SmartContract.Framework.UnitTests/TestCleanup.cs b/tests/Neo.SmartContract.Framework.UnitTests/TestCleanup.cs
index 35f848bae..c9c1a3023 100644
--- a/tests/Neo.SmartContract.Framework.UnitTests/TestCleanup.cs
+++ b/tests/Neo.SmartContract.Framework.UnitTests/TestCleanup.cs
@@ -10,11 +10,12 @@
 using System.Reflection;
 using System.Text.RegularExpressions;
 
-namespace Neo.SmartContract.Template.UnitTests.templates
+namespace Neo.SmartContract.Framework.UnitTests
 {
     [TestClass]
-    public partial class TestCleanup
+    public class TestCleanup
     {
+        private static readonly Regex WhiteSpaceRegex = new("\\s");
         internal static readonly Dictionary<Type, NeoDebugInfo> DebugInfos = new();
 
         /// <summary>
@@ -95,7 +96,7 @@ private static NeoDebugInfo CreateArtifact(string typeName, CompilationContext c
             var artifact = manifest.GetArtifactsSource(typeName, nef, generateProperties: true);
 
             string writtenArtifact = File.Exists(artifactsPath) ? File.ReadAllText(artifactsPath) : "";
-            if (writtenArtifact == "" || WhiteSpaceRegex().Replace(artifact, "") != WhiteSpaceRegex().Replace(writtenArtifact, ""))
+            if (writtenArtifact == "" || WhiteSpaceRegex.Replace(artifact, "") != WhiteSpaceRegex.Replace(writtenArtifact, ""))
             {
                 // Uncomment to overwrite the artifact file
                 File.WriteAllText(artifactsPath, artifact);
@@ -171,8 +172,5 @@ public static void EnsureCoverage()
 
             Assert.IsTrue(coverage.CoveredLinesPercentage >= RequiredCoverage, $"Coverage is less than {RequiredCoverage:P2}");
         }
-
-        [GeneratedRegex(@"\s")]
-        private static partial Regex WhiteSpaceRegex();
     }
 }
diff --git a/tests/Neo.SmartContract.Template.UnitTests/templates/TestCleanup.cs b/tests/Neo.SmartContract.Template.UnitTests/templates/TestCleanup.cs
index 8e0b1f24a..87b8e3531 100644
--- a/tests/Neo.SmartContract.Template.UnitTests/templates/TestCleanup.cs
+++ b/tests/Neo.SmartContract.Template.UnitTests/templates/TestCleanup.cs
@@ -12,8 +12,10 @@
 namespace Neo.SmartContract.Template.UnitTests.templates
 {
     [TestClass]
-    public partial class TestCleanup
+    public class TestCleanup
     {
+        private static readonly Regex WhiteSpaceRegex = new("\\s");
+
         private static NeoDebugInfo? DebugInfo_NEP17;
         private static NeoDebugInfo? DebugInfo_Oracle;
         private static NeoDebugInfo? DebugInfo_Ownable;
@@ -67,9 +69,6 @@ public void EnsureArtifactsUpToDate()
                 Path.Combine(artifactsPath, "neocontractowner/TestingArtifacts/OwnableTemplate.artifacts.cs"));
         }
 
-        [GeneratedRegex(@"\s")]
-        private static partial Regex WhiteSpaceRegex();
-
         private static (string artifact, NeoDebugInfo debugInfo) CreateArtifact<T>(CompilationContext context, string rootDebug, string artifactsPath)
         {
             (var nef, var manifest, var debugInfo) = context.CreateResults(rootDebug);
@@ -77,7 +76,7 @@ private static (string artifact, NeoDebugInfo debugInfo) CreateArtifact<T>(Compi
             var artifact = manifest.GetArtifactsSource(typeof(T).Name, nef, generateProperties: true);
 
             string writtenArtifact = File.Exists(artifactsPath) ? File.ReadAllText(artifactsPath) : "";
-            if (writtenArtifact == "" || WhiteSpaceRegex().Replace(artifact, "") != WhiteSpaceRegex().Replace(writtenArtifact, ""))
+            if (writtenArtifact == "" || WhiteSpaceRegex.Replace(artifact, "") != WhiteSpaceRegex.Replace(writtenArtifact, ""))
             {
                 // Uncomment to overwrite the artifact file
                 File.WriteAllText(artifactsPath, artifact);
diff --git a/tests/Neo.SmartContract.Testing.UnitTests/Coverage/CoverageDataTests.cs b/tests/Neo.SmartContract.Testing.UnitTests/Coverage/CoverageDataTests.cs
index a672e6343..69ade6d46 100644
--- a/tests/Neo.SmartContract.Testing.UnitTests/Coverage/CoverageDataTests.cs
+++ b/tests/Neo.SmartContract.Testing.UnitTests/Coverage/CoverageDataTests.cs
@@ -7,10 +7,9 @@
 namespace Neo.SmartContract.Testing.UnitTests.Coverage
 {
     [TestClass]
-    public partial class CoverageDataTests
+    public class CoverageDataTests
     {
-        [GeneratedRegex(@"\s")]
-        private static partial Regex WhiteSpaceRegex();
+        private static readonly Regex WhiteSpaceRegex = new("\\s");
 
         [TestMethod]
         public void TestDump()
@@ -21,7 +20,7 @@ public void TestDump()
 
             Assert.AreEqual(100_000_000, engine.Native.NEO.TotalSupply);
 
-            Assert.AreEqual(WhiteSpaceRegex().Replace(@"
+            Assert.AreEqual(WhiteSpaceRegex.Replace(@"
 NeoToken [0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5] [5.00 % - 100.00 %]
 ┌-───────────────────────────────-┬-────────-┬-────────-┐
 │ Method                          │   Line   │   Branch │
@@ -47,16 +46,16 @@ NeoToken [0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5] [5.00 % - 100.00 %]
 │ unregisterCandidate(pubkey)     │   0.00 % │ 100.00 % │
 │ vote(account,voteTo)            │   0.00 % │ 100.00 % │
 └-───────────────────────────────-┴-────────-┴-────────-┘
-", ""), WhiteSpaceRegex().Replace(engine.GetCoverage(engine.Native.NEO)?.Dump(), ""));
+", ""), WhiteSpaceRegex.Replace(engine.GetCoverage(engine.Native.NEO)?.Dump(), ""));
 
-            Assert.AreEqual(WhiteSpaceRegex().Replace(@"
+            Assert.AreEqual(WhiteSpaceRegex.Replace(@"
 NeoToken [0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5] [5.00 % - 100.00 %]
 ┌-─────────────-┬-────────-┬-────────-┐
 │ Method        │   Line   │   Branch │
 ├-─────────────-┼-────────-┼-────────-┤
 │ totalSupply() │ 100.00 % │ 100.00 % │
 └-─────────────-┴-────────-┴-────────-┘
-", ""), WhiteSpaceRegex().Replace((engine.Native.NEO.GetCoverage(o => o.TotalSupply) as CoveredMethod)?.Dump(), ""));
+", ""), WhiteSpaceRegex.Replace((engine.Native.NEO.GetCoverage(o => o.TotalSupply) as CoveredMethod)?.Dump(), ""));
         }
 
         [TestMethod]