diff --git a/panels/config/cloud/ha-config-cloud.html b/panels/config/cloud/ha-config-cloud.html
index cad81194e4..f376d30ebc 100644
--- a/panels/config/cloud/ha-config-cloud.html
+++ b/panels/config/cloud/ha-config-cloud.html
@@ -1,6 +1,7 @@
 <link rel="import" href='../../../bower_components/polymer/polymer-element.html'>
 <link rel='import' href='../../../bower_components/app-route/app-route.html'>
 
+<link rel='import' href='../../../src/util/hass-mixins.html'>
 <link rel="import" href="../ha-config-section.html">
 
 <link rel="import" href="./ha-config-cloud-login.html">
diff --git a/panels/config/core/ha-config-section-themes.html b/panels/config/core/ha-config-section-themes.html
index e0617552ce..0505be19e6 100644
--- a/panels/config/core/ha-config-section-themes.html
+++ b/panels/config/core/ha-config-section-themes.html
@@ -4,6 +4,7 @@
 <link rel='import' href='../../../bower_components/paper-listbox/paper-listbox.html'>
 <link rel='import' href='../../../bower_components/paper-item/paper-item.html'>
 
+<link rel='import' href='../../../src/util/hass-mixins.html'>
 <link rel="import" href="../ha-config-section.html">
 
 <dom-module id="ha-config-section-themes">