diff --git a/app/src/main/java/org/oppia/android/app/drawer/ExitProfileDialogFragment.kt b/app/src/main/java/org/oppia/android/app/drawer/ExitProfileDialogFragment.kt
index 7900163e9a5..2dfdd918fc7 100644
--- a/app/src/main/java/org/oppia/android/app/drawer/ExitProfileDialogFragment.kt
+++ b/app/src/main/java/org/oppia/android/app/drawer/ExitProfileDialogFragment.kt
@@ -70,7 +70,6 @@ class ExitProfileDialogFragment : InjectableDialogFragment() {
         dialog.dismiss()
       }
       .setPositiveButton(R.string.home_activity_back_dialog_exit) { _, _ ->
-        // TODO(#3641): Investigate on using finish instead of intent.
         val intent = ProfileChooserActivity.createProfileChooserActivity(activity!!)
         if (!restoreLastCheckedItem) {
           intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
diff --git a/app/src/main/java/org/oppia/android/app/profile/AddProfileActivity.kt b/app/src/main/java/org/oppia/android/app/profile/AddProfileActivity.kt
index 1acff5fd581..c7d0e60857c 100644
--- a/app/src/main/java/org/oppia/android/app/profile/AddProfileActivity.kt
+++ b/app/src/main/java/org/oppia/android/app/profile/AddProfileActivity.kt
@@ -44,10 +44,7 @@ class AddProfileActivity : InjectableAutoLocalizedAppCompatActivity() {
   }
 
   override fun onSupportNavigateUp(): Boolean {
-    // TODO(#3641): Investigate on using finish instead of intent.
-    val intent = Intent(this, ProfileChooserActivity::class.java)
-    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
-    startActivity(intent)
+    finish()
     return false
   }
 
diff --git a/app/src/sharedTest/java/org/oppia/android/app/profile/AddProfileActivityTest.kt b/app/src/sharedTest/java/org/oppia/android/app/profile/AddProfileActivityTest.kt
index 0152d1056d7..b9aa2114cd6 100644
--- a/app/src/sharedTest/java/org/oppia/android/app/profile/AddProfileActivityTest.kt
+++ b/app/src/sharedTest/java/org/oppia/android/app/profile/AddProfileActivityTest.kt
@@ -13,6 +13,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.test.core.app.ActivityScenario.launch
 import androidx.test.core.app.ApplicationProvider
 import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.action.ViewActions
 import androidx.test.espresso.action.ViewActions.click
 import androidx.test.espresso.action.ViewActions.closeSoftKeyboard
 import androidx.test.espresso.action.ViewActions.pressImeActionButton
@@ -1748,6 +1749,15 @@ class AddProfileActivityTest {
     assertThat(currentScreenName).isEqualTo(ScreenName.ADD_PROFILE_ACTIVITY)
   }
 
+  @Test
+  fun testAddProfileActivity_onBackPressed_finishActivity() {
+    val scenario = launch(AddProfileActivity::class.java)
+    onView(isRoot()).perform(ViewActions.pressBack())
+    testCoroutineDispatchers.runCurrent()
+    scenario.onActivity { activity ->
+      assertThat(activity.isFinishing).isTrue()
+    }
+  }
   private fun createAddProfileActivityIntent(): Intent {
     return AddProfileActivity.createAddProfileActivityIntent(
       ApplicationProvider.getApplicationContext(),