diff --git a/Content.IntegrationTests/Tests/MaterialArbitrageTest.cs b/Content.IntegrationTests/Tests/MaterialArbitrageTest.cs
index 082baf7e64..5cf9831077 100644
--- a/Content.IntegrationTests/Tests/MaterialArbitrageTest.cs
+++ b/Content.IntegrationTests/Tests/MaterialArbitrageTest.cs
@@ -33,7 +33,7 @@ public sealed class MaterialArbitrageTest
     [
         "BaseChemistryEmptyVial", "DrinkShotGlass", "SodiumLightTube", "DrinkGlassCoupeShaped",
         "LedLightBulb", "ExteriorLightTube", "LightTube", "DrinkGlass", "DimLightBulb", "LightBulb", "LedLightTube",
-        "SheetRGlass1", "ChemistryEmptyBottle01", "WarmLightBulb",
+        "ChemistryEmptyBottle01", "WarmLightBulb",
     ];
 
     private readonly HashSet<string> _compositionArbitrageIgnore =
diff --git a/Resources/Prototypes/Recipes/Lathes/sheet.yml b/Resources/Prototypes/Recipes/Lathes/sheet.yml
index 2c55232363..74c6ad3596 100644
--- a/Resources/Prototypes/Recipes/Lathes/sheet.yml
+++ b/Resources/Prototypes/Recipes/Lathes/sheet.yml
@@ -32,6 +32,7 @@
 - type: latheRecipe
   id: SheetRGlass
   result: SheetRGlass1
+  applyMaterialDiscount: false # obvious dupe capabilities
   completetime: 0
   materials:
     Glass: 100