diff --git a/tests/src/generated/resources/data/neotests_reloadable_reg_data_maps/data_maps/loot_table/effect_grant.json b/tests/src/generated/resources/data/neotests_reloadable_reg_data_maps/data_maps/loot_table/effect_grant.json
index 9c8d5e0de11..ff7693fcb25 100644
--- a/tests/src/generated/resources/data/neotests_reloadable_reg_data_maps/data_maps/loot_table/effect_grant.json
+++ b/tests/src/generated/resources/data/neotests_reloadable_reg_data_maps/data_maps/loot_table/effect_grant.json
@@ -3,10 +3,6 @@
     "minecraft:blocks/copper_block": {
       "duration": 100,
       "id": "minecraft:nausea",
-      "neoforge:cures": [
-        "milk",
-        "protected_by_totem"
-      ],
       "show_icon": true
     }
   }
diff --git a/tests/src/main/java/net/neoforged/neoforge/debug/data/DataMapTests.java b/tests/src/main/java/net/neoforged/neoforge/debug/data/DataMapTests.java
index 8d0f52f2db6..1a6c79b64d4 100644
--- a/tests/src/main/java/net/neoforged/neoforge/debug/data/DataMapTests.java
+++ b/tests/src/main/java/net/neoforged/neoforge/debug/data/DataMapTests.java
@@ -317,8 +317,10 @@ static void reloadableRegDataMaps(final DynamicTest test, final RegistrationHelp
         reg.addProvider(event -> new DataMapProvider(event.getGenerator().getPackOutput(), event.getLookupProvider()) {
             @Override
             protected void gather() {
+                var effect = new MobEffectInstance(MobEffects.CONFUSION, 100);
+                effect.getCures().clear(); // Cures use a hash set (not linked) meaning that their serialization is not deterministic
                 builder(effectGrant)
-                        .add(Blocks.COPPER_BLOCK.getLootTable(), new MobEffectInstance(MobEffects.CONFUSION, 100), false);
+                        .add(Blocks.COPPER_BLOCK.getLootTable(), effect, false);
             }
         });