diff --git a/qutebrowser/app.py b/qutebrowser/app.py
index 7bff02c99..ff3c1de52 100644
--- a/qutebrowser/app.py
+++ b/qutebrowser/app.py
@@ -212,7 +212,7 @@ class QuteBrowser(QApplication):
             'insert': PassthroughKeyParser('keybind.insert', self),
             'passthrough': PassthroughKeyParser('keybind.passthrough', self),
             'command': PassthroughKeyParser('keybind.command', self),
-            'prompt': PassthroughKeyParser('keybind.prompt', self),
+            'prompt': PassthroughKeyParser('keybind.prompt', self, warn=False),
             'yesno': PromptKeyParser(self),
         }
         self.modeman = ModeManager()
diff --git a/qutebrowser/keyinput/_basekeyparser.py b/qutebrowser/keyinput/_basekeyparser.py
index e2b221559..672a51c2e 100644
--- a/qutebrowser/keyinput/_basekeyparser.py
+++ b/qutebrowser/keyinput/_basekeyparser.py
@@ -51,6 +51,8 @@ class BaseKeyParser(QObject):
     Attributes:
         bindings: Bound keybindings
         special_bindings: Bound special bindings (<Foo>).
+        warn_on_keychains: Whether a warning should be logged when binding
+                           keychains in a section which does not support them.
         _keystring: The currently entered key sequence
         _timer: QTimer for delayed execution.
         _confsectname: The name of the configsection.
@@ -77,6 +79,7 @@ class BaseKeyParser(QObject):
             supports_count = supports_chains
         self._supports_count = supports_count
         self._supports_chains = supports_chains
+        self.warn_on_keychains = True
         self.bindings = {}
         self.special_bindings = {}
 
@@ -340,7 +343,7 @@ class BaseKeyParser(QObject):
             elif self._supports_chains:
                 logging.debug("registered key: {} -> {}".format(key, cmd))
                 self.bindings[key] = cmd
-            else:
+            elif self.warn_on_keychains:
                 logging.warning(
                     "Ignoring keychain '{}' in section '{}' because "
                     "keychains are not supported there.".format(key, sectname))
diff --git a/qutebrowser/keyinput/keyparser.py b/qutebrowser/keyinput/keyparser.py
index 689890650..49acd4162 100644
--- a/qutebrowser/keyinput/keyparser.py
+++ b/qutebrowser/keyinput/keyparser.py
@@ -67,11 +67,15 @@ class PassthroughKeyParser(CommandKeyParser):
     Used for insert/passthrough modes.
     """
 
-    def __init__(self, confsect, parent=None):
+    def __init__(self, confsect, parent=None, warn=True):
         """Constructor.
 
         Args:
             confsect: The config section to use.
+            parent: Qt parent.
+            warn: Whether to warn if an ignored key was bound.
         """
         super().__init__(parent, supports_chains=False)
+        if not warn:
+            self.warn_on_keychains = False
         self.read_config(confsect)