diff --git a/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppBackButtonTest.kt b/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppBackButtonTest.kt
index a20f96d172788..67deca4fe387c 100644
--- a/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppBackButtonTest.kt
+++ b/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppBackButtonTest.kt
@@ -16,6 +16,7 @@
 
 package com.android.server.wm.flicker.close
 
+import androidx.test.filters.FlakyTest
 import android.view.Surface
 import androidx.test.filters.RequiresDevice
 import androidx.test.platform.app.InstrumentationRegistry
@@ -54,6 +55,7 @@ import org.junit.runners.Parameterized
 @RequiresDevice
 @RunWith(Parameterized::class)
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@FlakyTest(bugId = 174635878)
 class CloseAppBackButtonTest(
     testName: String,
     flickerSpec: Flicker
diff --git a/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppHomeButtonTest.kt b/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppHomeButtonTest.kt
index 4bbb38c4d71aa..252ce2a32bf00 100644
--- a/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppHomeButtonTest.kt
+++ b/tests/FlickerTests/src/com/android/server/wm/flicker/close/CloseAppHomeButtonTest.kt
@@ -16,6 +16,7 @@
 
 package com.android.server.wm.flicker.close
 
+import androidx.test.filters.FlakyTest
 import android.view.Surface
 import androidx.test.filters.RequiresDevice
 import androidx.test.platform.app.InstrumentationRegistry
@@ -54,6 +55,7 @@ import org.junit.runners.Parameterized
 @RequiresDevice
 @RunWith(Parameterized::class)
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@FlakyTest(bugId = 174635878)
 class CloseAppHomeButtonTest(
     testName: String,
     flickerSpec: Flicker