diff --git a/src/test/java/seedu/pill/util/TransactionManagerTest.java b/src/test/java/seedu/pill/util/TransactionManagerTest.java
index 041921c2d3..8e2eae3181 100644
--- a/src/test/java/seedu/pill/util/TransactionManagerTest.java
+++ b/src/test/java/seedu/pill/util/TransactionManagerTest.java
@@ -11,7 +11,6 @@
 
 import java.time.LocalDate;
 import java.util.List;
-import java.util.TreeSet;
 
 class TransactionManagerTest {
     private TransactionManager transactionManager;
@@ -204,4 +203,4 @@ void getTransactionHistory_endBeforeStart_returnsEmptyList() throws PillExceptio
         // Assert
         assertTrue(transactions.isEmpty());
     }
-}
\ No newline at end of file
+}