From d03eb12a77b0c03879bf7aa79e37ac04cfff8a64 Mon Sep 17 00:00:00 2001
From: Joseph Schorr <joseph.schorr@coreos.com>
Date: Mon, 26 Nov 2018 21:29:53 +0200
Subject: [PATCH] Remove unused function

---
 image/docker/schemautil.py | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/image/docker/schemautil.py b/image/docker/schemautil.py
index faf123c2b..1a231c62c 100644
--- a/image/docker/schemautil.py
+++ b/image/docker/schemautil.py
@@ -1,8 +1,4 @@
 import json
-import tarfile
-
-from cachetools import lru_cache
-from io import BytesIO
 
 from image.docker.interfaces import ContentRetriever
 
@@ -26,12 +22,3 @@ class ContentRetrieverForTesting(ContentRetriever):
     digests = {}
     digests[digest] = padded_string
     return ContentRetrieverForTesting(digests)
-
-
-@lru_cache(maxsize=1)
-def generate_empty_layer_data():
-  """ Generates the layer data for an "empty" layer. """
-  with BytesIO() as f:
-    tar_file = tarfile.open(fileobj=f, mode='w|gw')
-    tar_file.close()
-    return f.getvalue()