diff --git a/resources/skins.minerva.content.styles/hacks.less b/resources/skins.minerva.content.styles/hacks.less
index eefc67e..d7546be 100644
--- a/resources/skins.minerva.content.styles/hacks.less
+++ b/resources/skins.minerva.content.styles/hacks.less
@@ -107,17 +107,6 @@ FIXME: Review all of these hacks to see if they still apply.
 	display: none;
 }
 
-/* force portals to use a one column layout on mobile */
-.skin-minerva {
-	.portal-column-left-wide,
-	.portal-column-left,
-	.portal-column-right,
-	.portal-column-right-narrow {
-		float: none;
-		width: 100%;
-	}
-}
-
 /* bug 34878: Set an optimal width for a column.
  * Makes sure that on small screens column-count is only honored if column-width hint is not violated.
  * https://developer.mozilla.org/en-US/docs/CSS/column-width