diff --git a/turbinia/workers/analysis/linux_acct.py b/turbinia/workers/analysis/linux_acct.py
index dc97b8e7a..419f51475 100644
--- a/turbinia/workers/analysis/linux_acct.py
+++ b/turbinia/workers/analysis/linux_acct.py
@@ -129,9 +129,8 @@ def analyse_shadow_file(self, shadow, path, hashes, timeout=300):
     summary = 'No weak passwords found'
     priority = Priority.LOW
 
-    # 1800 is "sha512crypt $6$, SHA512 (Unix)"
     weak_passwords = bruteforce_password_hashes(
-        shadow, tmp_dir=self.tmp_dir, timeout=timeout, extra_args='-m 1800')
+        shadow, tmp_dir=self.tmp_dir, timeout=timeout)
 
     if weak_passwords:
       priority = Priority.CRITICAL