diff --git a/app/src/androidTest/java/org/mozilla/fenix/ui/SmokeTest.kt b/app/src/androidTest/java/org/mozilla/fenix/ui/SmokeTest.kt
index 561bd2289..1f68c9f27 100644
--- a/app/src/androidTest/java/org/mozilla/fenix/ui/SmokeTest.kt
+++ b/app/src/androidTest/java/org/mozilla/fenix/ui/SmokeTest.kt
@@ -544,6 +544,7 @@ class SmokeTest {
         }
     }
 
+    @Ignore("Started failing: https://github.com/mozilla-mobile/fenix/issues/21540")
     @Test
     // Verifies setting as default a customized search engine name and URL
     fun editCustomSearchEngineTest() {