diff --git a/tests/ImageSharp.Tests/GlobalSuppressions.cs b/tests/ImageSharp.Tests/GlobalSuppressions.cs
index 106d34d0bc..3d161049b9 100644
--- a/tests/ImageSharp.Tests/GlobalSuppressions.cs
+++ b/tests/ImageSharp.Tests/GlobalSuppressions.cs
@@ -5,5 +5,6 @@
 // a specific target and scoped to a namespace, type, member, etc.
 
 [assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "xUnit1026:Theory methods should use all of their parameters")]
+[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "xUnit1013:Public method should be marked as test")]
 [assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Assertions", "xUnit2013:Do not use equality check to check for collection size.")]