diff --git a/src/wp-content/themes/twentynineteen/sass/mixins/_mixins-master.scss b/src/wp-content/themes/twentynineteen/sass/mixins/_mixins-master.scss
index 2cb12b3d4f4cd..7919a56cf80b0 100644
--- a/src/wp-content/themes/twentynineteen/sass/mixins/_mixins-master.scss
+++ b/src/wp-content/themes/twentynineteen/sass/mixins/_mixins-master.scss
@@ -68,7 +68,7 @@
 
 	&:before {
 		background: $color__text-light;
-		content: "\020";
+		content: "";
 		display: block;
 		height: 2px;
 		margin: $size__spacing-unit 0;
diff --git a/src/wp-content/themes/twentynineteen/style-editor.css b/src/wp-content/themes/twentynineteen/style-editor.css
index 3f4c8bd298a38..af20f9009560e 100644
--- a/src/wp-content/themes/twentynineteen/style-editor.css
+++ b/src/wp-content/themes/twentynineteen/style-editor.css
@@ -706,7 +706,7 @@ h2 {
 h1:before,
 h2:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -828,7 +828,7 @@ figcaption,
 
 .editor-post-title__block:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
diff --git a/src/wp-content/themes/twentynineteen/style-rtl.css b/src/wp-content/themes/twentynineteen/style-rtl.css
index 719f0f52fc7ad..ea974c82cb04b 100644
--- a/src/wp-content/themes/twentynineteen/style-rtl.css
+++ b/src/wp-content/themes/twentynineteen/style-rtl.css
@@ -2526,7 +2526,7 @@ h6 {
 h1:not(.site-title):before,
 h2:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4219,7 +4219,7 @@ body.page .main-navigation {
 
 .entry .entry-title:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4513,7 +4513,7 @@ body.page .main-navigation {
 
 .author-bio .author-title:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4616,7 +4616,7 @@ body.page .main-navigation {
 
 .comments-area .comments-title-wrap .comments-title:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
diff --git a/src/wp-content/themes/twentynineteen/style.css b/src/wp-content/themes/twentynineteen/style.css
index 22c57138ee73f..d3880b32203f0 100644
--- a/src/wp-content/themes/twentynineteen/style.css
+++ b/src/wp-content/themes/twentynineteen/style.css
@@ -2526,7 +2526,7 @@ h6 {
 h1:not(.site-title):before,
 h2:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4225,7 +4225,7 @@ body.page .main-navigation {
 
 .entry .entry-title:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4519,7 +4519,7 @@ body.page .main-navigation {
 
 .author-bio .author-title:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4622,7 +4622,7 @@ body.page .main-navigation {
 
 .comments-area .comments-title-wrap .comments-title:before {
   background: #767676;
-  content: "\020";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;