diff --git a/src/main/java/seedu/address/logic/commands/ClearCommand.java b/src/main/java/seedu/address/logic/commands/ClearCommand.java
index f63c551b157..2f09bb29450 100644
--- a/src/main/java/seedu/address/logic/commands/ClearCommand.java
+++ b/src/main/java/seedu/address/logic/commands/ClearCommand.java
@@ -18,6 +18,7 @@ public class ClearCommand extends Command {
     public CommandResult execute(Model model) {
         requireNonNull(model);
         model.setAddressBook(new AddressBook());
+        model.clearPersonDetails();
         return new CommandResult(MESSAGE_SUCCESS);
     }
 }
diff --git a/src/main/java/seedu/address/model/Model.java b/src/main/java/seedu/address/model/Model.java
index 6f2710b2304..015088f0fb1 100644
--- a/src/main/java/seedu/address/model/Model.java
+++ b/src/main/java/seedu/address/model/Model.java
@@ -103,6 +103,11 @@ public interface Model {
      */
     void showPersonAtIndex(Index index);
 
+    /**
+     * CLears details of person displayed in detail view of UI.
+     */
+    void clearPersonDetails();
+
     /** Returns an unmodifiable view of the filtered person list */
     ObservableList<Person> getFilteredPersonList();
 
diff --git a/src/main/java/seedu/address/model/ModelManager.java b/src/main/java/seedu/address/model/ModelManager.java
index 9a7566cda5b..d61656edabc 100644
--- a/src/main/java/seedu/address/model/ModelManager.java
+++ b/src/main/java/seedu/address/model/ModelManager.java
@@ -111,6 +111,11 @@ public void showPersonAtIndex(Index index) {
         }
     }
 
+    @Override
+    public void clearPersonDetails() {
+        currentPerson.set(Optional.empty());
+    }
+
     @Override
     public void deletePerson(Person target) {
         addressBook.removePerson(target);
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.");