diff --git a/less/_01b-base.less b/less/_01b-base.less
index 6b76c1e..f50595e 100644
--- a/less/_01b-base.less
+++ b/less/_01b-base.less
@@ -164,12 +164,6 @@ var {
 	font-style: italic;
 }
 
-small,
-sub,
-sup {
-	font-size: smaller;
-}
-
 /* ----------------------------- */
 /* == hiding content             */
 /* ----------------------------- */
diff --git a/less/_10-styling.less b/less/_10-styling.less
index bfa3c92..ecad2b7 100644
--- a/less/_10-styling.less
+++ b/less/_10-styling.less
@@ -29,13 +29,11 @@ pre code {
 
 mark {
 	padding:2px 4px;
-	background: #ff0;
 }
 
 sup,
 sub {
 	vertical-align: 0;
-	position: relative;
 }
 
 sup {
diff --git a/sass/_01b-base.scss b/sass/_01b-base.scss
index d6b869e..664f32a 100644
--- a/sass/_01b-base.scss
+++ b/sass/_01b-base.scss
@@ -158,12 +158,6 @@ var {
 	font-style: italic;
 }
 
-small,
-sub,
-sup {
-	font-size: smaller;
-}
-
 /* ----------------------------- */
 /* == hiding content             */
 /* ----------------------------- */
diff --git a/sass/_10-styling.scss b/sass/_10-styling.scss
index 662c4b1..236ef9f 100644
--- a/sass/_10-styling.scss
+++ b/sass/_10-styling.scss
@@ -27,13 +27,11 @@ pre code {
 
 mark {
 	padding:2px 4px;
-	background: #ff0;
 }
 
 sup,
 sub {
 	vertical-align: 0;
-	position: relative;
 }
 
 sup {