diff --git a/mercurial_keyring.py b/mercurial_keyring.py
--- a/mercurial_keyring.py
+++ b/mercurial_keyring.py
@@ -680,7 +680,7 @@ def _smtp(ui):
 def cmd_keyring_check(ui, repo, *path_args, **opts):
     """
     Prints basic info (whether password is currently saved, and how is
-    it identified) for given path or all defined repo paths.
+    it identified) for given path or for all defined repo paths which are HTTP.
     """
     import re
 
@@ -718,11 +718,23 @@ def cmd_keyring_check(ui, repo, *path_ar
                 name, final_url))
 
 
+def cmd_keyring_clear(ui, repo, path, **opts):
+    """
+    Drops password bound to given path (if any).
+    """
+    # TODO
+    ui.status(_("Not yet implemented"))
+
 
 cmdtable = {
     "keyring_check": (
         cmd_keyring_check,
         [],
+        "keyring_check [PATH]",
+    ),
+    "keyring_clear": (
+        cmd_keyring_clear,
+        [],
         "keyring_check PATH",
     ),
 }