diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 5a24d5ed5..956f0004a 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -1449,14 +1449,7 @@ class BlockDifference(object):
         return
 
       ranges_str = ranges.to_string_raw()
-      if self.version >= 4:
-        script.AppendExtra(('if (range_sha1("%s", "%s") == "%s" || '
-                            'block_image_verify("%s", '
-                            'package_extract_file("%s.transfer.list"), '
-                            '"%s.new.dat", "%s.patch.dat")) then') % (
-                            self.device, ranges_str, expected_sha1,
-                            self.device, partition, partition, partition))
-      elif self.version == 3:
+      if self.version >= 3:
         script.AppendExtra(('if (range_sha1("%s", "%s") == "%s" || '
                             'block_image_verify("%s", '
                             'package_extract_file("%s.transfer.list"), '