diff --git a/addons/web/static/src/legacy/scss/utils.scss b/addons/web/static/src/legacy/scss/utils.scss
index cb2cba4a6a7..e4c793d096f 100644
--- a/addons/web/static/src/legacy/scss/utils.scss
+++ b/addons/web/static/src/legacy/scss/utils.scss
@@ -67,37 +67,6 @@
 @function luma($color) {
     @return ((red($color) * .299) + (green($color) * .587) + (blue($color) * .114)) / 255 * 100%;
 }
-//
-// Given two colors, returns the one which has the most constrast with another
-// given color. Careful: if you want to find the text color which will suit the
-// most on a given background color, you should use the 'color-contrast' function.
-//
-@function o-get-most-contrast($color, $c1, $c2, $background: #FFFFFF, $threshold: false, $cross-mix: true) {
-    $background: if($background == null, #FFFFFF, $background);
-
-    $real-color: mix(rgba($color, 1.0), $background, percentage(alpha($color)));
-    $luma: luma($real-color);
-
-    $cross-color: if($cross-mix, $real-color, $background);
-
-    $real-c1: mix(rgba($c1, 1.0), $cross-color, percentage(alpha($c1)));
-    $luma-c1: luma($real-c1);
-
-    $real-c2: mix(rgba($c2, 1.0), $cross-color, percentage(alpha($c2)));
-    $luma-c2: luma($real-c2);
-
-    $-dark: if($luma-c1 <= $luma-c2, $c1, $c2);
-    $-light: if($luma-c1 > $luma-c2, $c1, $c2);
-
-    @if $threshold == false {
-        // Automatic threshold: give a really small preference to light results
-        // as bootstrap does by default (mainly by compatibility at the moment
-        // this code is written)
-        $threshold: ($luma-c1 + $luma-c2) * 0.515; // 150 / 145.63 * 0.5 would be the BS value
-    }
-
-    @return if($luma > $threshold, $-dark, $-light);
-}
 
 // Extend placeholder which adds a chess-like background below the color and
 // image of an element to preview the transparency of that color and image.