diff --git a/X10D/src/SystemAvx2SupportProvider.cs b/X10D/src/SystemAvx2SupportProvider.cs
index 976336ee4..d15dbce5b 100644
--- a/X10D/src/SystemAvx2SupportProvider.cs
+++ b/X10D/src/SystemAvx2SupportProvider.cs
@@ -1,9 +1,11 @@
-#if NETCOREAPP3_0_OR_GREATER
+using System.Diagnostics.CodeAnalysis;
+#if NETCOREAPP3_0_OR_GREATER
 using System.Runtime.Intrinsics.X86;
 #endif
 
 namespace X10D;
 
+[ExcludeFromCodeCoverage]
 internal struct SystemAvx2SupportProvider : IAvx2SupportProvider
 {
     /// <inheritdoc />
diff --git a/X10D/src/SystemSse2SupportProvider.cs b/X10D/src/SystemSse2SupportProvider.cs
index 20c03376a..7b3464238 100644
--- a/X10D/src/SystemSse2SupportProvider.cs
+++ b/X10D/src/SystemSse2SupportProvider.cs
@@ -1,9 +1,11 @@
-#if NETCOREAPP3_0_OR_GREATER
+using System.Diagnostics.CodeAnalysis;
+#if NETCOREAPP3_0_OR_GREATER
 using System.Runtime.Intrinsics.X86;
 #endif
 
 namespace X10D;
 
+[ExcludeFromCodeCoverage]
 internal struct SystemSse2SupportProvider : ISse2SupportProvider
 {
     /// <inheritdoc />
diff --git a/X10D/src/SystemSsse3SupportProvider.cs b/X10D/src/SystemSsse3SupportProvider.cs
index 0369cf816..4d127282c 100644
--- a/X10D/src/SystemSsse3SupportProvider.cs
+++ b/X10D/src/SystemSsse3SupportProvider.cs
@@ -1,9 +1,11 @@
-#if NETCOREAPP3_0_OR_GREATER
+using System.Diagnostics.CodeAnalysis;
+#if NETCOREAPP3_0_OR_GREATER
 using System.Runtime.Intrinsics.X86;
 #endif
 
 namespace X10D;
 
+[ExcludeFromCodeCoverage]
 internal struct SystemSsse3SupportProvider : ISsse3SupportProvider
 {
     /// <inheritdoc />