diff --git a/app/src/androidTest/java/org/mozilla/fenix/ui/robots/HomeScreenRobot.kt b/app/src/androidTest/java/org/mozilla/fenix/ui/robots/HomeScreenRobot.kt
index bf78980872..36c6435954 100644
--- a/app/src/androidTest/java/org/mozilla/fenix/ui/robots/HomeScreenRobot.kt
+++ b/app/src/androidTest/java/org/mozilla/fenix/ui/robots/HomeScreenRobot.kt
@@ -443,7 +443,7 @@ private fun assertWelcomeHeader() =
 
 private fun assertStartSyncHeader() {
     scrollToElementByText(STRING_ONBOARDING_ACCOUNT_SIGN_IN_HEADER)
-    onView(allOf(withText("Sync $appName between devices")))
+    onView(allOf(withText(R.string.onboarding_account_sign_in_header_1)))
         .check(matches(withEffectiveVisibility(Visibility.VISIBLE)))
 }
 private fun assertAccountsSignInButton() =
diff --git a/app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingManualSignInViewHolder.kt b/app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingManualSignInViewHolder.kt
index fbc5310c05..cfcc86f37c 100644
--- a/app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingManualSignInViewHolder.kt
+++ b/app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingManualSignInViewHolder.kt
@@ -29,7 +29,7 @@ class OnboardingManualSignInViewHolder(view: View) : RecyclerView.ViewHolder(vie
         val context = itemView.context
         val appName = context.getString(R.string.app_name)
         binding.headerText.text =
-            context.getString(R.string.onboarding_account_sign_in_header_2, appName)
+            context.getString(R.string.onboarding_account_sign_in_header_1)
         binding.descriptionText.text =
             context.getString(R.string.onboarding_manual_sign_in_description_2, appName)
     }
diff --git a/app/src/main/java/org/mozilla/fenix/tabstray/syncedtabs/SyncedTabs.kt b/app/src/main/java/org/mozilla/fenix/tabstray/syncedtabs/SyncedTabs.kt
index 28e2bd876d..a7413eefa6 100644
--- a/app/src/main/java/org/mozilla/fenix/tabstray/syncedtabs/SyncedTabs.kt
+++ b/app/src/main/java/org/mozilla/fenix/tabstray/syncedtabs/SyncedTabs.kt
@@ -372,10 +372,7 @@ private fun SyncedTabsErrorPreview() {
     FirefoxTheme {
         Box(Modifier.background(FirefoxTheme.colors.layer1)) {
             SyncedTabsErrorItem(
-                errorText = stringResource(
-                    R.string.synced_tabs_no_tabs_2,
-                    stringResource(R.string.app_name)
-                ),
+                errorText = stringResource(R.string.synced_tabs_no_tabs),
                 errorButton = SyncedTabsListItem.ErrorButton(
                     buttonText = stringResource(R.string.synced_tabs_sign_in_button)
                 ) {
diff --git a/app/src/main/java/org/mozilla/fenix/tabstray/syncedtabs/SyncedTabsIntegration.kt b/app/src/main/java/org/mozilla/fenix/tabstray/syncedtabs/SyncedTabsIntegration.kt
index c312342cea..97d5a08485 100644
--- a/app/src/main/java/org/mozilla/fenix/tabstray/syncedtabs/SyncedTabsIntegration.kt
+++ b/app/src/main/java/org/mozilla/fenix/tabstray/syncedtabs/SyncedTabsIntegration.kt
@@ -116,10 +116,7 @@ class SyncedTabsIntegration(
 
         SyncedTabsView.ErrorType.NO_TABS_AVAILABLE ->
             SyncedTabsListItem.Error(
-                errorText = context.getString(
-                    R.string.synced_tabs_no_tabs_2,
-                    context.getString(R.string.app_name)
-                ),
+                errorText = context.getString(R.string.synced_tabs_no_tabs),
             )
 
         SyncedTabsView.ErrorType.SYNC_UNAVAILABLE ->
diff --git a/app/src/main/res/layout/onboarding_manual_signin.xml b/app/src/main/res/layout/onboarding_manual_signin.xml
index 5d787262c6..2e5923273d 100644
--- a/app/src/main/res/layout/onboarding_manual_signin.xml
+++ b/app/src/main/res/layout/onboarding_manual_signin.xml
@@ -33,7 +33,7 @@
         app:layout_constraintStart_toStartOf="@id/avatar_icon"
         app:layout_constraintBottom_toBottomOf="@id/avatar_icon"
         android:layout_marginStart="52dp"
-        tools:text="@string/onboarding_account_sign_in_header_2" />
+        tools:text="@string/onboarding_account_sign_in_header_1" />
 
     <TextView
         android:id="@+id/description_text"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 74e332285d..17c982952a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1127,10 +1127,9 @@
     The first parameter is the name of the app (e.g. Firefox Preview) -->
     <string name="onboarding_header">Welcome to %s!</string>
     <!-- text for the Firefox account onboarding sign in card header. The word "Firefox" should not be translated -->
-    <string name="onboarding_account_sign_in_header_1" moz:RemovedIn="99" tools:ignore="UnusedResources">Sync Firefox between devices</string>
+    <string name="onboarding_account_sign_in_header_1">Sync Firefox between devices</string>
     <!-- text for the Firefox account onboarding sign in card header. The first parameter is the name of the application.-->
-    <string name="onboarding_account_sign_in_header_2">Sync %1$s between devices</string>
-    <!-- Text for the button to learn more about signing in to your Firefox account -->
+    <string name="onboarding_account_sign_in_header_2" moz:RemovedIn="100" tools:ignore="UnusedResources">Sync %1$s between devices</string>
     <!-- Text for the button to learn more about signing in to your Firefox account. The first parameter is the name of the application.-->
     <string name="onboarding_manual_sign_in_description_2">Bring bookmarks, history, and passwords to %1$s on this device.</string>
     <!-- text for the button to manually sign into Firefox account. -->
@@ -1636,9 +1635,9 @@
     <!-- Text displayed when user has disabled tab syncing in Firefox Sync Account -->
     <string name="synced_tabs_enable_tab_syncing">Please enable tab syncing.</string>
     <!-- Text displayed when user has no tabs that have been synced -->
-    <string name="synced_tabs_no_tabs" moz:removedIn="99" tools:ignore="UnusedResources">You don’t have any tabs open in Firefox on your other devices.</string>
+    <string name="synced_tabs_no_tabs">You don’t have any tabs open in Firefox on your other devices.</string>
     <!-- Text displayed when user has no tabs that have been synced. The first parameter is the name of the application.-->
-    <string name="synced_tabs_no_tabs_2">You don’t have any tabs open in %1$s on your other devices.</string>
+    <string name="synced_tabs_no_tabs_2" moz:RemovedIn="100" tools:ignore="UnusedResources">You don’t have any tabs open in %1$s on your other devices.</string>
     <!-- Text displayed in the synced tabs screen when a user is not signed in to Firefox Sync describing Synced Tabs -->
     <string name="synced_tabs_sign_in_message">View a list of tabs from your other devices.</string>
     <!-- Text displayed on a button in the synced tabs screen to link users to sign in when a user is not signed in to Firefox Sync -->
diff --git a/app/src/test/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingManualSignInViewHolderTest.kt b/app/src/test/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingManualSignInViewHolderTest.kt
index efbc64c0df..abb66aff05 100644
--- a/app/src/test/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingManualSignInViewHolderTest.kt
+++ b/app/src/test/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingManualSignInViewHolderTest.kt
@@ -51,8 +51,7 @@ class OnboardingManualSignInViewHolderTest {
     @Test
     fun `bind header text`() {
         OnboardingManualSignInViewHolder(binding.root).bind()
-        val appName = testContext.getString(R.string.app_name)
-        val string = testContext.getString(R.string.onboarding_account_sign_in_header_2, appName)
+        val string = testContext.getString(R.string.onboarding_account_sign_in_header_1)
         assertEquals(
             string,
             binding.headerText.text