diff --git a/src/test/java/seedu/address/logic/commands/AddCommandTest.java b/src/test/java/seedu/address/logic/commands/AddCommandTest.java
index c5af906a2ee..82dd74415f8 100644
--- a/src/test/java/seedu/address/logic/commands/AddCommandTest.java
+++ b/src/test/java/seedu/address/logic/commands/AddCommandTest.java
@@ -157,6 +157,11 @@ public void showPersonAtIndex(Index index) {
             throw new AssertionError("This method should not be called.");
         }
 
+        @Override
+        public void clearPersonDetails() {
+            throw new AssertionError("This method should not be called.");
+        }
+
         @Override
         public ObservableList<Person> getFilteredPersonList() {
             throw new AssertionError("This method should not be called.");