diff --git a/src/main/java/com/minelittlepony/unicopia/advancements/AbstractCriterion.java b/src/main/java/com/minelittlepony/unicopia/advancement/AbstractCriterion.java
similarity index 89%
rename from src/main/java/com/minelittlepony/unicopia/advancements/AbstractCriterion.java
rename to src/main/java/com/minelittlepony/unicopia/advancement/AbstractCriterion.java
index 469374ce..0fe06dae 100644
--- a/src/main/java/com/minelittlepony/unicopia/advancements/AbstractCriterion.java
+++ b/src/main/java/com/minelittlepony/unicopia/advancement/AbstractCriterion.java
@@ -1,4 +1,4 @@
-package com.minelittlepony.unicopia.advancements;
+package com.minelittlepony.unicopia.advancement;
 
 import java.util.List;
 import java.util.Map;
@@ -10,7 +10,7 @@ import net.minecraft.advancement.PlayerAdvancementTracker;
 import net.minecraft.advancement.criterion.Criterion;
 import net.minecraft.advancement.criterion.CriterionConditions;
 
-public abstract class AbstractCriterion<E extends AbstractCriterion.Entry<T>, T extends CriterionConditions> implements Criterion<T> {
+abstract class AbstractCriterion<E extends AbstractCriterion.Entry<T>, T extends CriterionConditions> implements Criterion<T> {
 
     protected final Map<PlayerAdvancementTracker, E> listeners = Maps.newHashMap();
 
diff --git a/src/main/java/com/minelittlepony/unicopia/advancements/AdvancementPredicate.java b/src/main/java/com/minelittlepony/unicopia/advancement/AdvancementPredicate.java
similarity index 94%
rename from src/main/java/com/minelittlepony/unicopia/advancements/AdvancementPredicate.java
rename to src/main/java/com/minelittlepony/unicopia/advancement/AdvancementPredicate.java
index dbbef2ca..e42e7954 100644
--- a/src/main/java/com/minelittlepony/unicopia/advancements/AdvancementPredicate.java
+++ b/src/main/java/com/minelittlepony/unicopia/advancement/AdvancementPredicate.java
@@ -1,4 +1,4 @@
-package com.minelittlepony.unicopia.advancements;
+package com.minelittlepony.unicopia.advancement;
 
 import com.google.gson.JsonElement;
 
diff --git a/src/main/java/com/minelittlepony/unicopia/advancements/BOHDeathCriterion.java b/src/main/java/com/minelittlepony/unicopia/advancement/BOHDeathCriterion.java
similarity index 97%
rename from src/main/java/com/minelittlepony/unicopia/advancements/BOHDeathCriterion.java
rename to src/main/java/com/minelittlepony/unicopia/advancement/BOHDeathCriterion.java
index 8b4215c4..ccd3247a 100644
--- a/src/main/java/com/minelittlepony/unicopia/advancements/BOHDeathCriterion.java
+++ b/src/main/java/com/minelittlepony/unicopia/advancement/BOHDeathCriterion.java
@@ -1,4 +1,4 @@
-package com.minelittlepony.unicopia.advancements;
+package com.minelittlepony.unicopia.advancement;
 
 import java.util.Optional;
 
diff --git a/src/main/java/com/minelittlepony/unicopia/container/BagOfHoldingInventory.java b/src/main/java/com/minelittlepony/unicopia/container/BagOfHoldingInventory.java
index b0a3cc07..7f03285c 100644
--- a/src/main/java/com/minelittlepony/unicopia/container/BagOfHoldingInventory.java
+++ b/src/main/java/com/minelittlepony/unicopia/container/BagOfHoldingInventory.java
@@ -5,7 +5,7 @@ import java.util.List;
 import java.util.Optional;
 import java.util.function.BiFunction;
 
-import com.minelittlepony.unicopia.advancements.BOHDeathCriterion;
+import com.minelittlepony.unicopia.advancement.BOHDeathCriterion;
 import com.minelittlepony.unicopia.magic.IMagicalItem;
 import com.minelittlepony.unicopia.util.HeavyInventoryUtils;
 import com.minelittlepony.unicopia.util.InbtSerialisable;