diff --git a/services/surfaceflinger/tests/RefreshRateOverlay_test.cpp b/services/surfaceflinger/tests/RefreshRateOverlay_test.cpp
index 05858bf..fb4458a 100644
--- a/services/surfaceflinger/tests/RefreshRateOverlay_test.cpp
+++ b/services/surfaceflinger/tests/RefreshRateOverlay_test.cpp
@@ -20,6 +20,10 @@
 
 #include <gui/SurfaceComposerClient.h>
 #include <private/gui/ComposerService.h>
+#include <chrono>
+
+using ::std::literals::chrono_literals::operator""ms;
+using ::std::literals::chrono_literals::operator""s;
 
 static constexpr int kRefreshRateOverlayCode = 1034;
 static constexpr int kRefreshRateOverlayEnable = 1;
diff --git a/services/surfaceflinger/tests/utils/CallbackUtils.h b/services/surfaceflinger/tests/utils/CallbackUtils.h
index 459b35c..f4a3425 100644
--- a/services/surfaceflinger/tests/utils/CallbackUtils.h
+++ b/services/surfaceflinger/tests/utils/CallbackUtils.h
@@ -20,8 +20,12 @@
 #include <gui/SurfaceControl.h>
 #include <ui/Fence.h>
 #include <utils/Timers.h>
+#include <chrono>
 #include <thread>
 
+using ::std::literals::chrono_literals::operator""ms;
+using ::std::literals::chrono_literals::operator""s;
+
 namespace android {
 
 namespace {