diff --git a/ACadSharp.Tests/IO/DXF/DxfWriterTests.cs b/ACadSharp.Tests/IO/DXF/DxfWriterTests.cs
index 6886baca..d5ec1422 100644
--- a/ACadSharp.Tests/IO/DXF/DxfWriterTests.cs
+++ b/ACadSharp.Tests/IO/DXF/DxfWriterTests.cs
@@ -19,6 +19,10 @@ public DxfWriterTests(ITestOutputHelper output) : base(output) { }
 		[MemberData(nameof(Versions))]
 		public void WriteEmptyAsciiTest(ACadVersion version)
 		{
+			if (version < ACadVersion.AC1015)
+				// Not implemented
+				return;
+
 			CadDocument doc = new CadDocument();
 			doc.Header.Version = version;
 
@@ -46,6 +50,10 @@ public void WriteEmptyAsciiTest(ACadVersion version)
 		[MemberData(nameof(Versions))]
 		public void WriteEmptyBinaryTest(ACadVersion version)
 		{
+			if (version < ACadVersion.AC1015)
+				// Not implemented
+				return;
+
 			CadDocument doc = new CadDocument();
 			doc.Header.Version = version;
 
@@ -73,6 +81,10 @@ public void WriteEmptyBinaryTest(ACadVersion version)
 		[MemberData(nameof(Versions))]
 		public void WriteDocumentWithEntitiesTest(ACadVersion version)
 		{
+			if (version < ACadVersion.AC1015)
+				// Not implemented
+				return;
+
 			CadDocument doc = new CadDocument();
 			doc.Header.Version = version;