diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ResourceTrimmer.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ResourceTrimmer.kt
index d8affa4d6c21a..1978b3d048b75 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/ResourceTrimmer.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ResourceTrimmer.kt
@@ -139,7 +139,8 @@ constructor(
         if (dozeDisabledAndScreenOff || dozeEnabledAndDozeAnimationCompleted) {
             Trace.beginSection("ResourceTrimmer#trimMemory")
             Log.d(LOG_TAG, "SysUI asleep, trimming memory.")
-            globalWindowManager.trimMemory(ComponentCallbacks2.TRIM_MEMORY_BACKGROUND)
+            globalWindowManager.trimMemory(ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN)
+            globalWindowManager.trimCaches(HardwareRenderer.CACHE_TRIM_ALL)
             Trace.endSection()
         }
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/keyguard/ResourceTrimmerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/keyguard/ResourceTrimmerTest.kt
index 548d26f2aaed3..78a65a8473dba 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/keyguard/ResourceTrimmerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/keyguard/ResourceTrimmerTest.kt
@@ -98,7 +98,8 @@ class ResourceTrimmerTest : SysuiTestCase() {
             )
             testScope.runCurrent()
             verify(globalWindowManager, times(1))
-                .trimMemory(ComponentCallbacks2.TRIM_MEMORY_BACKGROUND)
+                .trimMemory(ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN)
+            verify(globalWindowManager, times(1)).trimCaches(HardwareRenderer.CACHE_TRIM_ALL)
         }
 
     @Test
@@ -115,7 +116,8 @@ class ResourceTrimmerTest : SysuiTestCase() {
             )
             testScope.runCurrent()
             verify(globalWindowManager, times(1))
-                .trimMemory(ComponentCallbacks2.TRIM_MEMORY_BACKGROUND)
+                .trimMemory(ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN)
+            verify(globalWindowManager, times(1)).trimCaches(HardwareRenderer.CACHE_TRIM_ALL)
         }
 
     @Test
@@ -161,7 +163,8 @@ class ResourceTrimmerTest : SysuiTestCase() {
             keyguardRepository.setDozeAmount(1f)
             testScope.runCurrent()
             verify(globalWindowManager, times(1))
-                .trimMemory(ComponentCallbacks2.TRIM_MEMORY_BACKGROUND)
+                .trimMemory(ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN)
+            verify(globalWindowManager, times(1)).trimCaches(HardwareRenderer.CACHE_TRIM_ALL)
         }
     }