diff --git a/pipenv/core.py b/pipenv/core.py
index 48e69903..e4a84db9 100644
--- a/pipenv/core.py
+++ b/pipenv/core.py
@@ -1138,6 +1138,7 @@ def do_lock(
                 overwrite_with_default(lockfile.get("default", {}), lockfile[category])
             )
     if write:
+        lockfile.update({"_meta": project.get_lockfile_meta()})
         project.write_lockfile(lockfile)
         click.echo(
             "{}".format(
diff --git a/pipenv/project.py b/pipenv/project.py
index 1a77a0db..3189f106 100644
--- a/pipenv/project.py
+++ b/pipenv/project.py
@@ -582,8 +582,6 @@ class Project:
                 )
                 lockfile = lockfile._data
 
-        # with open(self.pipfile_location) as pf:
-        #     lockfile = plette.Lockfile.with_meta_from(plette.Pipfile.load(pf))
         if categories is None:
             categories = self.get_package_categories(for_lockfile=True)
         for category in categories: