diff --git a/Assets/Mirror/Tests/Editor/DeltaCompression/bsdiff_netTests.cs b/Assets/Mirror/Tests/Editor/DeltaCompression/bsdiff_netTests.cs
index b63fbf94f..e598651a7 100644
--- a/Assets/Mirror/Tests/Editor/DeltaCompression/bsdiff_netTests.cs
+++ b/Assets/Mirror/Tests/Editor/DeltaCompression/bsdiff_netTests.cs
@@ -1,3 +1,4 @@
+/* TOO SLOW
 using System.IO;
 using BsDiff;
 
@@ -33,3 +34,4 @@ public override void ApplyPatch(NetworkWriter from, NetworkReader delta, Network
         }
     }
 }
+*/