diff --git a/testing/mozharness/mozharness/base/vcs/mercurial.py b/testing/mozharness/mozharness/base/vcs/mercurial.py
index 458032e127e6..8856e935d534 100755
--- a/testing/mozharness/mozharness/base/vcs/mercurial.py
+++ b/testing/mozharness/mozharness/base/vcs/mercurial.py
@@ -355,10 +355,6 @@ class MercurialVCS(ScriptMixin, LogMixin, TransferMixin):
 
         self.info('ensuring %s@%s is available at %s' % (repo_url, wanted_rev, dest))
 
-        # Log HG version and install info to aid debugging.
-        self.run_command(self.hg + ['--version'])
-        self.run_command(self.hg + ['debuginstall'])
-
         share_base = c.get('vcs_share_base', os.environ.get('HG_SHARE_BASE_DIR', None))
 
         # We require shared storage is configured because it guarantees we