diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/magical/FilledKnowledgeFlask.java b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/HiddenItem.java
similarity index 55%
rename from src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/magical/FilledKnowledgeFlask.java
rename to src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/HiddenItem.java
index 1c0882b7c..a021ed5b7 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/magical/FilledKnowledgeFlask.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/HiddenItem.java
@@ -1,4 +1,4 @@
-package io.github.thebusybiscuit.slimefun4.implementation.items.magical;
+package io.github.thebusybiscuit.slimefun4.implementation.items;
 
 import io.github.thebusybiscuit.slimefun4.api.items.ItemGroup;
 import io.github.thebusybiscuit.slimefun4.api.items.SlimefunItem;
@@ -11,16 +11,14 @@ import javax.annotation.ParametersAreNonnullByDefault;
 import org.bukkit.inventory.ItemStack;
 
 /**
- * The {@link FilledKnowledgeFlask} is a {@link NotConfigurable} {@link SlimefunItem}
- * that results from interacting with a {@link KnowledgeFlask}.
- *
- * @see KnowledgeFlask
+ * The {@link HiddenItem} is a {@link NotConfigurable} {@link SlimefunItem}
+ * that is hidden from the Slimefun guide.
  *
  */
-public class FilledKnowledgeFlask extends SlimefunItem implements NotConfigurable {
+public class HiddenItem extends SlimefunItem implements NotConfigurable {
 
     @ParametersAreNonnullByDefault
-    public FilledKnowledgeFlask(ItemGroup itemGroup, SlimefunItemStack item, RecipeType recipeType, ItemStack[] recipe) {
+    public HiddenItem(ItemGroup itemGroup, SlimefunItemStack item, RecipeType recipeType, ItemStack[] recipe) {
         super(itemGroup, item, recipeType, recipe);
         this.setHidden(true);
     }
diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/setup/SlimefunItemSetup.java b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/setup/SlimefunItemSetup.java
index 3d3d09522..55dcadf84 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/setup/SlimefunItemSetup.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/setup/SlimefunItemSetup.java
@@ -26,6 +26,7 @@ import io.github.thebusybiscuit.slimefun4.core.attributes.Radioactivity;
 import io.github.thebusybiscuit.slimefun4.core.handlers.RainbowTickHandler;
 import io.github.thebusybiscuit.slimefun4.implementation.Slimefun;
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunItems;
+import io.github.thebusybiscuit.slimefun4.implementation.items.HiddenItem;
 import io.github.thebusybiscuit.slimefun4.implementation.items.RadioactiveItem;
 import io.github.thebusybiscuit.slimefun4.implementation.items.VanillaItem;
 import io.github.thebusybiscuit.slimefun4.implementation.items.altar.AncientAltar;
@@ -137,7 +138,6 @@ import io.github.thebusybiscuit.slimefun4.implementation.items.gps.GPSControlPan
 import io.github.thebusybiscuit.slimefun4.implementation.items.gps.GPSMarkerTool;
 import io.github.thebusybiscuit.slimefun4.implementation.items.gps.GPSTransmitter;
 import io.github.thebusybiscuit.slimefun4.implementation.items.magical.BeeWings;
-import io.github.thebusybiscuit.slimefun4.implementation.items.magical.FilledKnowledgeFlask;
 import io.github.thebusybiscuit.slimefun4.implementation.items.magical.InfernalBonemeal;
 import io.github.thebusybiscuit.slimefun4.implementation.items.magical.InfusedHopper;
 import io.github.thebusybiscuit.slimefun4.implementation.items.magical.InfusedMagnet;
@@ -1366,7 +1366,7 @@ public final class SlimefunItemSetup {
         new SlimefunItemStack(SlimefunItems.FLASK_OF_KNOWLEDGE, 8))
         .register(plugin);
 
-        new FilledKnowledgeFlask(categories.magicalGadgets, SlimefunItems.FILLED_FLASK_OF_KNOWLEDGE, RecipeType.INTERACT,
+        new HiddenItem(categories.magicalGadgets, SlimefunItems.FILLED_FLASK_OF_KNOWLEDGE, RecipeType.INTERACT,
         new ItemStack[] {SlimefunItems.FLASK_OF_KNOWLEDGE, null, null, null, null, null, null, null, null})
         .register(plugin);