diff --git a/common/metrics_constants.h b/common/metrics_constants.h
index b7633b9..af40300 100644
--- a/common/metrics_constants.h
+++ b/common/metrics_constants.h
@@ -17,6 +17,7 @@
 #ifndef UPDATE_ENGINE_COMMON_METRICS_CONSTANTS_H_
 #define UPDATE_ENGINE_COMMON_METRICS_CONSTANTS_H_
 
+#include <chrono>
 namespace chromeos_update_engine {
 
 namespace metrics {
@@ -140,6 +141,8 @@
   kNumConstants
 };
 
+constexpr auto kMetricFlushInterval = std::chrono::seconds(3);
+
 }  // namespace metrics
 
 }  // namespace chromeos_update_engine
diff --git a/common/utils.cc b/common/utils.cc
index 6b8bc54..4c1365a 100644
--- a/common/utils.cc
+++ b/common/utils.cc
@@ -56,8 +56,8 @@
 #include <brillo/data_encoding.h>
 
 #include "update_engine/common/constants.h"
-#include "update_engine/common/platform_constants.h"
 #include "update_engine/common/subprocess.h"
+#include "update_engine/common/platform_constants.h"
 #include "update_engine/payload_consumer/file_descriptor.h"
 
 using base::Time;