diff --git a/metrics/libmetrics-242728.gyp b/metrics/libmetrics-242728.gyp
deleted file mode 100644
index a8b1948..0000000
--- a/metrics/libmetrics-242728.gyp
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  'variables': {
-    'libbase_ver': 242728,
-  },
-  'includes': [
-    '../metrics/libmetrics.gypi',
-  ],
-}
diff --git a/metrics/timer.h b/metrics/timer.h
index ce88873..654c2cb 100644
--- a/metrics/timer.h
+++ b/metrics/timer.h
@@ -10,11 +10,7 @@
 #include <string>
 
 #include <base/memory/scoped_ptr.h>
-#if BASE_VER >= 242728
 #include <base/time/time.h>
-#else
-#include <base/time.h>
-#endif
 #include <gtest/gtest_prod.h>  // for FRIEND_TEST
 
 class MetricsLibraryInterface;