diff --git a/housekeeping/Mugs.java b/housekeeping/Mugs.java
index 90ebbae9..d9b92802 100644
--- a/housekeeping/Mugs.java
+++ b/housekeeping/Mugs.java
@@ -8,9 +8,6 @@ class Mug {
   Mug(int marker) {
     System.out.println("Mug(" + marker + ")");
   }
-  void f(int marker) {
-    System.out.println("f(" + marker + ")");
-  }
 }
 
 public class Mugs {