diff --git a/proxy/src/main/java/com/velocitypowered/proxy/event/EventTypeTracker.java b/proxy/src/main/java/com/velocitypowered/proxy/event/EventTypeTracker.java
index 3a96d5313..526ebd5d2 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/event/EventTypeTracker.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/event/EventTypeTracker.java
@@ -44,7 +44,6 @@ class EventTypeTracker {
       }
 
       friends.put(type, eventType);
-      friends.put(eventType, type);
     }
     return types;
   }