diff --git a/wp-content/themes/twentynineteen/sass/media/_media.scss b/wp-content/themes/twentynineteen/sass/media/_media.scss
index 3fba8c6472..64e652716d 100644
--- a/wp-content/themes/twentynineteen/sass/media/_media.scss
+++ b/wp-content/themes/twentynineteen/sass/media/_media.scss
@@ -20,9 +20,9 @@ object {
 .avatar {
 	border-radius: 100%;
 	display: block;
-	height: calc(2.25 * #{$size__spacing-unit});
+	height: auto;
 	min-height: inherit;
-	width: calc(2.25 * #{$size__spacing-unit});
+	width: auto;
 }
 
 svg {
diff --git a/wp-content/themes/twentynineteen/style-rtl.css b/wp-content/themes/twentynineteen/style-rtl.css
index 45464ae0a6..22d480acdf 100644
--- a/wp-content/themes/twentynineteen/style-rtl.css
+++ b/wp-content/themes/twentynineteen/style-rtl.css
@@ -6466,9 +6466,9 @@ object {
 .avatar {
   border-radius: 100%;
   display: block;
-  height: calc(2.25 * 1rem);
+  height: auto;
   min-height: inherit;
-  width: calc(2.25 * 1rem);
+  width: auto;
 }
 
 svg {
diff --git a/wp-content/themes/twentynineteen/style.css b/wp-content/themes/twentynineteen/style.css
index 907ad811d1..a13ca5f5ce 100644
--- a/wp-content/themes/twentynineteen/style.css
+++ b/wp-content/themes/twentynineteen/style.css
@@ -6478,9 +6478,9 @@ object {
 .avatar {
   border-radius: 100%;
   display: block;
-  height: calc(2.25 * 1rem);
+  height: auto;
   min-height: inherit;
-  width: calc(2.25 * 1rem);
+  width: auto;
 }
 
 svg {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index bb69f361b2..c47b61021b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-58579';
+$wp_version = '6.7-alpha-58580';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.