diff --git a/app/src/main/java/org/mozilla/fenix/perf/StartupStateProvider.kt b/app/src/main/java/org/mozilla/fenix/perf/StartupStateProvider.kt
index 88ca04a9b..21fdeab7e 100644
--- a/app/src/main/java/org/mozilla/fenix/perf/StartupStateProvider.kt
+++ b/app/src/main/java/org/mozilla/fenix/perf/StartupStateProvider.kt
@@ -44,20 +44,11 @@ class StartupStateProvider(
             return false
         }
 
-        val firstActivityStartedIndex = startupLog.log.indexOfFirst { it is LogEntry.ActivityStarted }
-        if (firstActivityStartedIndex < 0) {
-            return false // if no activities are started, then we haven't started up yet.
-        }
-
-        val firstActivityStartedAndAfter = startupLog.log.subList(firstActivityStartedIndex, startupLog.log.size)
-        val isFirstActivityStartedStillForegrounded = firstActivityStartedAndAfter == listOf(
+        val isLastStartedActivityStillStarted = startupLog.log.takeLast(2) == listOf(
             LogEntry.ActivityStarted(activityClass),
             LogEntry.AppStarted
         )
-
-        val hasAppBeenStopped = startupLog.log.contains(LogEntry.AppStopped)
-
-        return isFirstActivityStartedStillForegrounded && !hasAppBeenStopped
+        return !startupLog.log.contains(LogEntry.AppStopped) && isLastStartedActivityStillStarted
     }
 
     /**
diff --git a/app/src/test/java/org/mozilla/fenix/perf/StartupStateProviderTest.kt b/app/src/test/java/org/mozilla/fenix/perf/StartupStateProviderTest.kt
index 63ac00912..fd98d2b23 100644
--- a/app/src/test/java/org/mozilla/fenix/perf/StartupStateProviderTest.kt
+++ b/app/src/test/java/org/mozilla/fenix/perf/StartupStateProviderTest.kt
@@ -89,42 +89,6 @@ class StartupStateProviderTest {
         assertFalse(provider.isColdStartForStartedActivity(homeActivityClass))
     }
 
-    @Test
-    fun `GIVEN the app started for an activity WHEN multiple activities are started but not stopped (maybe impossible) THEN start up is not cold`() {
-        fun assertIsNotCold() { assertFalse(provider.isColdStartForStartedActivity(homeActivityClass)) }
-
-        // Since we've never observed this, there are multiple ways the events could
-        // theoretically be ordered: we try a few.
-        logEntries.addAll(listOf(
-            LogEntry.ActivityCreated(irActivityClass),
-            LogEntry.ActivityStarted(irActivityClass),
-            LogEntry.AppStarted,
-            LogEntry.ActivityCreated(homeActivityClass),
-            LogEntry.ActivityStarted(homeActivityClass)
-        ))
-        assertIsNotCold()
-
-        logEntries.clear()
-        logEntries.addAll(listOf(
-            LogEntry.ActivityCreated(irActivityClass),
-            LogEntry.ActivityStarted(irActivityClass),
-            LogEntry.ActivityCreated(homeActivityClass),
-            LogEntry.ActivityStarted(homeActivityClass),
-            LogEntry.AppStarted
-        ))
-        assertIsNotCold()
-
-        logEntries.clear()
-        logEntries.addAll(listOf(
-            LogEntry.ActivityCreated(irActivityClass),
-            LogEntry.ActivityCreated(homeActivityClass),
-            LogEntry.ActivityStarted(irActivityClass),
-            LogEntry.ActivityStarted(homeActivityClass),
-            LogEntry.AppStarted
-        ))
-        assertIsNotCold()
-    }
-
     @Test
     fun `GIVEN the app started for an activity WHEN an activity hasn't been created yet THEN start up is not cold`() {
         assertFalse(provider.isColdStartForStartedActivity(homeActivityClass))