diff --git a/apps/theming/js/settings-admin.js b/apps/theming/js/settings-admin.js
index 8b0df5f4bf..01ff912384 100644
--- a/apps/theming/js/settings-admin.js
+++ b/apps/theming/js/settings-admin.js
@@ -57,8 +57,7 @@ function preview(setting, value) {
 		var headerClass = document.getElementById('header');
 		var expandDisplayNameClass = document.getElementById('expandDisplayName');
 		var headerAppName = headerClass.getElementsByClassName('header-appname')[0];
-		var textColor, elementColor, icon;
-
+		var textColor, icon;
 		var luminance = calculateLuminance(value);
 		var elementColor = value;
 
diff --git a/core/css/inputs.css b/core/css/inputs.css
index e56f06082e..b58310a5c5 100644
--- a/core/css/inputs.css
+++ b/core/css/inputs.css
@@ -93,7 +93,6 @@ input[type="checkbox"].checkbox + label:before {
 	vertical-align: middle;
 
 	background: url('../img/actions/checkbox.svg') left top no-repeat;
-	opacity: 0.7;
 }
 
 input[type="checkbox"].checkbox:disabled +label:before { opacity: .6; }
@@ -167,7 +166,6 @@ input[type="radio"].radio + label:before {
 	vertical-align: middle;
 
 	background: url('../img/actions/radio.svg') left top no-repeat;
-	opacity: 0.7;
 }
 
 input[type="radio"].radio:checked + label:before {