diff --git a/src/main/java/seedu/address/logic/commands/ClearCommand.java b/src/main/java/seedu/address/logic/commands/ClearCommand.java
index 9c86b1fa6e4..f4900055bd5 100644
--- a/src/main/java/seedu/address/logic/commands/ClearCommand.java
+++ b/src/main/java/seedu/address/logic/commands/ClearCommand.java
@@ -2,22 +2,22 @@
 
 import static java.util.Objects.requireNonNull;
 
-import seedu.address.model.AddressBook;
+import seedu.address.model.ModBook;
 import seedu.address.model.Model;
 
 /**
- * Clears the address book.
+ * Clears the ModBook.
  */
 public class ClearCommand extends Command {
 
     public static final String COMMAND_WORD = "clear";
-    public static final String MESSAGE_SUCCESS = "Address book has been cleared!";
+    public static final String MESSAGE_SUCCESS = "ModBook has been cleared!";
 
 
     @Override
     public CommandResult execute(Model model) {
         requireNonNull(model);
-        model.setAddressBook(new AddressBook());
+        model.setModBook(new ModBook());
         return new CommandResult(MESSAGE_SUCCESS);
     }
 }
diff --git a/src/test/java/seedu/address/logic/commands/ClearCommandTest.java b/src/test/java/seedu/address/logic/commands/ClearCommandTest.java
index 1966d7bda67..95edbd0b238 100644
--- a/src/test/java/seedu/address/logic/commands/ClearCommandTest.java
+++ b/src/test/java/seedu/address/logic/commands/ClearCommandTest.java
@@ -6,7 +6,7 @@
 
 import org.junit.jupiter.api.Test;
 
-import seedu.address.model.AddressBook;
+import seedu.address.model.ModBook;
 import seedu.address.model.Model;
 import seedu.address.model.ModelManager;
 import seedu.address.model.UserPrefs;
@@ -25,7 +25,7 @@ public void execute_emptyAddressBook_success() {
     public void execute_nonEmptyAddressBook_success() {
         Model model = new ModelManager(getTypicalAddressBook(), getTypicalModBook(), new UserPrefs());
         Model expectedModel = new ModelManager(getTypicalAddressBook(), getTypicalModBook(), new UserPrefs());
-        expectedModel.setAddressBook(new AddressBook());
+        expectedModel.setModBook(new ModBook());
 
         assertCommandSuccess(new ClearCommand(), model, ClearCommand.MESSAGE_SUCCESS, expectedModel);
     }