diff --git a/datamodels/2.x/combodo-backoffice-darkmoon-theme/scss/scss-variables.scss b/datamodels/2.x/combodo-backoffice-darkmoon-theme/scss/scss-variables.scss
index 849d558fb..9e55c5f13 100644
--- a/datamodels/2.x/combodo-backoffice-darkmoon-theme/scss/scss-variables.scss
+++ b/datamodels/2.x/combodo-backoffice-darkmoon-theme/scss/scss-variables.scss
@@ -57,7 +57,6 @@ $pre-background: $ibo-color-grey-600;
 $ibo-scrollbar--scrollbar-track-background-color: $ibo-color-grey-700;
 $ibo-scrollbar--scrollbar-thumb-background-color: $ibo-color-grey-900;
 
-$ibo-navigation-menu--drawer--background-color: $ibo-color-grey-700;
 $ibo-navigation-menu--body--background-color: $ibo-color-grey-900;
 $ibo-navigation-menu--bottom-part--background-color: $ibo-color-grey-850;