diff --git a/java/noppes/npcs/api/handler/data/ICustomEffect.java b/java/noppes/npcs/api/handler/data/ICustomEffect.java
index ff7a134..6b0b6fd 100644
--- a/java/noppes/npcs/api/handler/data/ICustomEffect.java
+++ b/java/noppes/npcs/api/handler/data/ICustomEffect.java
@@ -6,8 +6,6 @@ public interface ICustomEffect {
 
     String getName();
 
-    boolean isCustom();
-
     void setMenuName(String name);
 
     String getMenuName();
diff --git a/java/noppes/npcs/api/handler/data/IPlayerEffect.java b/java/noppes/npcs/api/handler/data/IPlayerEffect.java
index 2ea44a2..c59bd12 100644
--- a/java/noppes/npcs/api/handler/data/IPlayerEffect.java
+++ b/java/noppes/npcs/api/handler/data/IPlayerEffect.java
@@ -22,5 +22,5 @@ public interface IPlayerEffect {
 
     int getIndex();
 
-    void setIndex();
+    void setIndex(int index);
 }