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 e493f061fd895..ce16eafdf71f2 100644
--- a/src/wp-content/themes/twentynineteen/sass/mixins/_mixins-master.scss
+++ b/src/wp-content/themes/twentynineteen/sass/mixins/_mixins-master.scss
@@ -70,7 +70,7 @@
 
 	&: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 946a06f0a9078..da0ac97e7afa4 100644
--- a/src/wp-content/themes/twentynineteen/style-editor.css
+++ b/src/wp-content/themes/twentynineteen/style-editor.css
@@ -598,7 +598,7 @@ h2 {
 h1:before,
 h2:before {
   background: #767676;
-  content: " ";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -713,7 +713,7 @@ figcaption,
 }
 .editor-post-title__block:before {
   background: #767676;
-  content: " ";
+  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 f93bb903edf3b..aa964a93d8ac3 100644
--- a/src/wp-content/themes/twentynineteen/style-rtl.css
+++ b/src/wp-content/themes/twentynineteen/style-rtl.css
@@ -2416,7 +2416,7 @@ h6 {
 h1:not(.site-title):before,
 h2:before {
   background: #767676;
-  content: " ";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4027,7 +4027,7 @@ body.page .main-navigation {
 }
 .entry .entry-title:before {
   background: #767676;
-  content: " ";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4271,7 +4271,7 @@ body.page .main-navigation {
 }
 .author-bio .author-title:before {
   background: #767676;
-  content: " ";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4357,7 +4357,7 @@ body.page .main-navigation {
 }
 .comments-area .comments-title-wrap .comments-title:before {
   background: #767676;
-  content: " ";
+  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 fb589d027e1a2..601c9840259e1 100644
--- a/src/wp-content/themes/twentynineteen/style.css
+++ b/src/wp-content/themes/twentynineteen/style.css
@@ -2416,7 +2416,7 @@ h6 {
 h1:not(.site-title):before,
 h2:before {
   background: #767676;
-  content: " ";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4033,7 +4033,7 @@ body.page .main-navigation {
 }
 .entry .entry-title:before {
   background: #767676;
-  content: " ";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4277,7 +4277,7 @@ body.page .main-navigation {
 }
 .author-bio .author-title:before {
   background: #767676;
-  content: " ";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;
@@ -4363,7 +4363,7 @@ body.page .main-navigation {
 }
 .comments-area .comments-title-wrap .comments-title:before {
   background: #767676;
-  content: " ";
+  content: "";
   display: block;
   height: 2px;
   margin: 1rem 0;