diff --git a/metrics/libmetrics-180609.gyp b/metrics/libmetrics-180609.gyp
deleted file mode 100644
index 4226712..0000000
--- a/metrics/libmetrics-180609.gyp
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  'variables': {
-    'libbase_ver': 180609,
-  },
-  'includes': [
-    '../metrics/libmetrics.gypi',
-  ],
-}