diff --git a/doc/changelog.asciidoc b/doc/changelog.asciidoc
index 66f0d2fc9..dfc11fd59 100644
--- a/doc/changelog.asciidoc
+++ b/doc/changelog.asciidoc
@@ -127,6 +127,7 @@ Fixed
 - Crash when `completion.min_chars` is set in some cases.
 - HTML/JS resource files are now read into RAM on start to avoid crashes when
   changing qutebrowser versions while it's open.
+- Setting `bindings.key_mappings` to an empty value is now allowed.
 
 Removed
 ~~~~~~~
diff --git a/qutebrowser/config/configdata.yml b/qutebrowser/config/configdata.yml
index 060343b7e..28c3a5d87 100644
--- a/qutebrowser/config/configdata.yml
+++ b/qutebrowser/config/configdata.yml
@@ -2161,6 +2161,7 @@ bindings.key_mappings:
     <Ctrl-Enter>: <Ctrl-Return>
   type:
     name: Dict
+    none_ok: true
     keytype: Key
     valtype: Key
   desc: >-