diff --git a/scss/mixins/_grid.scss b/scss/mixins/_grid.scss
index 25bdc74d426b26e3e6a80e792cbe94c5d27d1332..5c00f57d76a077e1f323e818849f036c364f087e 100644
--- a/scss/mixins/_grid.scss
+++ b/scss/mixins/_grid.scss
@@ -45,26 +45,3 @@
   // do not appear to require this.
   max-width: percentage($size / $columns);
 }
-
-@mixin make-col-offset($size, $columns: $grid-columns) {
-  margin-left: percentage($size / $columns);
-}
-
-@mixin make-col-push($size, $columns: $grid-columns) {
-  left: if($size > 0, percentage($size / $columns), auto);
-}
-
-@mixin make-col-pull($size, $columns: $grid-columns) {
-  right: if($size > 0, percentage($size / $columns), auto);
-}
-
-@mixin make-col-modifier($type, $size, $columns) {
-  // Work around the lack of dynamic mixin @include support (https://github.com/sass/sass/issues/626)
-  @if $type == push {
-    @include make-col-push($size, $columns);
-  } @else if $type == pull {
-    @include make-col-pull($size, $columns);
-  } @else if $type == offset {
-    @include make-col-offset($size, $columns);
-  }
-}