diff --git a/doc/help/settings.asciidoc b/doc/help/settings.asciidoc
index d53d3eabc..2b1571c68 100644
--- a/doc/help/settings.asciidoc
+++ b/doc/help/settings.asciidoc
@@ -1346,8 +1346,6 @@ Valid values:
 
 Default: +pass:[system]+
 
-On QtWebEngine, this setting requires Qt 5.8 or newer.
-
 [[content.proxy_dns_requests]]
 == content.proxy_dns_requests
 Whether to send DNS requests over the configured proxy.
diff --git a/qutebrowser/config/configdata.yml b/qutebrowser/config/configdata.yml
index f1b446a81..545a09340 100644
--- a/qutebrowser/config/configdata.yml
+++ b/qutebrowser/config/configdata.yml
@@ -422,9 +422,6 @@ content.private_browsing:
 content.proxy:
   default: system
   type: Proxy
-  backend:
-    QtWebKit: true
-    QtWebEngine: Qt 5.8
   desc: >-
     The proxy to use.