diff --git a/app/src/androidTest/java/org/mozilla/fenix/ui/PDFViewerTest.kt b/app/src/androidTest/java/org/mozilla/fenix/ui/PDFViewerTest.kt
index 913d1c7d28..482e740b58 100644
--- a/app/src/androidTest/java/org/mozilla/fenix/ui/PDFViewerTest.kt
+++ b/app/src/androidTest/java/org/mozilla/fenix/ui/PDFViewerTest.kt
@@ -13,7 +13,6 @@ import org.mozilla.fenix.helpers.Constants.PackageName.GOOGLE_DOCS
 import org.mozilla.fenix.helpers.HomeActivityIntentTestRule
 import org.mozilla.fenix.helpers.MatcherHelper
 import org.mozilla.fenix.helpers.MatcherHelper.itemContainingText
-import org.mozilla.fenix.helpers.MatcherHelper.itemWithResIdAndText
 import org.mozilla.fenix.helpers.MatcherHelper.itemWithText
 import org.mozilla.fenix.helpers.TestAssetHelper.getGenericAsset
 import org.mozilla.fenix.helpers.TestSetup
@@ -45,20 +44,6 @@ class PDFViewerTest : TestSetup() {
         }
     }
 
-    // TestRail link: https://testrail.stage.mozaws.net/index.php?/cases/view/2159718
-    @Test
-    fun verifyPDFViewerOpenInAppButtonTest() {
-        val genericURL = getGenericAsset(mockWebServer, 3)
-
-        navigationToolbar {
-        }.enterURLAndEnterToBrowser(genericURL.url) {
-            clickPageObject(itemWithText("PDF form file"))
-            verifyPDFReaderToolbarItems()
-            clickPageObject(itemWithResIdAndText("openInApp", "Open in app"))
-            assertExternalAppOpens(GOOGLE_DOCS)
-        }
-    }
-
     // TestRail link: https://testrail.stage.mozaws.net/index.php?/cases/view/2145448
     // Download PDF file using the download toolbar button
     @Test
diff --git a/app/src/androidTest/java/org/mozilla/fenix/ui/robots/BrowserRobot.kt b/app/src/androidTest/java/org/mozilla/fenix/ui/robots/BrowserRobot.kt
index 4ec6449726..529e19b2a5 100644
--- a/app/src/androidTest/java/org/mozilla/fenix/ui/robots/BrowserRobot.kt
+++ b/app/src/androidTest/java/org/mozilla/fenix/ui/robots/BrowserRobot.kt
@@ -278,8 +278,8 @@ class BrowserRobot {
     fun verifyPDFReaderToolbarItems() =
         assertUIObjectExists(
             itemWithResIdContainingText("download", "Download"),
-            itemWithResIdContainingText("openInApp", "Open in app"),
         )
+
     fun clickSubmitLoginButton() {
         clickPageObject(itemWithResId("submit"))
         assertUIObjectIsGone(itemWithResId("submit"))
diff --git a/app/src/androidTest/java/org/mozilla/fenix/ui/robots/CustomTabRobot.kt b/app/src/androidTest/java/org/mozilla/fenix/ui/robots/CustomTabRobot.kt
index 3c4d37710a..4a6e431b74 100644
--- a/app/src/androidTest/java/org/mozilla/fenix/ui/robots/CustomTabRobot.kt
+++ b/app/src/androidTest/java/org/mozilla/fenix/ui/robots/CustomTabRobot.kt
@@ -150,7 +150,6 @@ class CustomTabRobot {
     fun verifyPDFReaderToolbarItems() =
         assertUIObjectExists(
             itemWithResIdAndText("download", "Download"),
-            itemWithResIdAndText("openInApp", "Open in app"),
         )
 
     class Transition {