diff --git a/Source/Testably.Abstractions.Testing/Helpers/Execute.NativePath.cs b/Source/Testably.Abstractions.Testing/Helpers/Execute.NativePath.cs
index f5463a80..28ed3356 100644
--- a/Source/Testably.Abstractions.Testing/Helpers/Execute.NativePath.cs
+++ b/Source/Testably.Abstractions.Testing/Helpers/Execute.NativePath.cs
@@ -132,17 +132,15 @@ public string GetFullPath(string path)
 			string? pathRoot = System.IO.Path.GetPathRoot(path);
 			string? directoryRoot =
 				System.IO.Path.GetPathRoot(fileSystem.Storage.CurrentDirectory);
-			if (!string.IsNullOrEmpty(pathRoot) && !string.IsNullOrEmpty(directoryRoot))
+			if (pathRoot?.Length < directoryRoot?.Length)
 			{
-				if (char.ToUpperInvariant(pathRoot[0]) != char.ToUpperInvariant(directoryRoot[0]))
+				if (pathRoot.Length > 0 &&
+				    char.ToUpperInvariant(pathRoot[0]) != char.ToUpperInvariant(directoryRoot[0]))
 				{
 					return System.IO.Path.GetFullPath(path);
 				}
 
-				if (pathRoot.Length < directoryRoot.Length)
-				{
-					path = path.Substring(pathRoot.Length);
-				}
+				path = path.Substring(pathRoot.Length);
 			}
 
 			return System.IO.Path.GetFullPath(System.IO.Path.Combine(
@@ -183,7 +181,6 @@ public string GetRandomFileName()
 		public string GetRelativePath(string relativeTo, string path)
 		{
 			relativeTo.EnsureValidArgument(fileSystem, nameof(relativeTo));
-			path.EnsureValidArgument(fileSystem, nameof(path));
 
 			relativeTo = fileSystem.Execute.Path.GetFullPath(relativeTo);
 			path = fileSystem.Execute.Path.GetFullPath(path);
diff --git a/Source/Testably.Abstractions.Testing/Helpers/Execute.SimulatedPath.cs b/Source/Testably.Abstractions.Testing/Helpers/Execute.SimulatedPath.cs
index c81ac151..5242af70 100644
--- a/Source/Testably.Abstractions.Testing/Helpers/Execute.SimulatedPath.cs
+++ b/Source/Testably.Abstractions.Testing/Helpers/Execute.SimulatedPath.cs
@@ -290,7 +290,6 @@ public string GetRandomFileName()
 		public string GetRelativePath(string relativeTo, string path)
 		{
 			relativeTo.EnsureValidArgument(fileSystem, nameof(relativeTo));
-			path.EnsureValidArgument(fileSystem, nameof(path));
 
 			relativeTo = fileSystem.Execute.Path.GetFullPath(relativeTo);
 			path = fileSystem.Execute.Path.GetFullPath(path);
diff --git a/Tests/Testably.Abstractions.Tests/FileSystem/Path/GetPathRootTests.cs b/Tests/Testably.Abstractions.Tests/FileSystem/Path/GetPathRootTests.cs
index 758e76da..b66b759c 100644
--- a/Tests/Testably.Abstractions.Tests/FileSystem/Path/GetPathRootTests.cs
+++ b/Tests/Testably.Abstractions.Tests/FileSystem/Path/GetPathRootTests.cs
@@ -44,7 +44,7 @@ public void GetPathRoot_ShouldReturnDefaultValue(string path)
 	{
 		string? result = FileSystem.Path.GetPathRoot(path);
 
-		result.Should().Be(System.IO.Path.GetPathRoot(path));
+		result.Should().Be("");
 	}
 
 #if FEATURE_SPAN