diff --git a/wp-content/themes/twentytwentyone/assets/css/ie.css b/wp-content/themes/twentytwentyone/assets/css/ie.css
index 56ba746f7d..66f010512b 100644
--- a/wp-content/themes/twentytwentyone/assets/css/ie.css
+++ b/wp-content/themes/twentytwentyone/assets/css/ie.css
@@ -66,7 +66,6 @@ Twenty Twenty-One is distributed under the terms of the GNU GPL.
  * Quote................Specific styles for the quote block.
  * Search...............Specific styles for the search block.
  * Separator............Specific styles for the separator block.
- * Spacer...............Specific styles for the spacer block.
  * Table................Specific styles for the table block.
  * Verse................Specific styles for the verse block.
  * Video................Specific styles for the video block.
@@ -4371,18 +4370,6 @@ hr.wp-block-separator.is-style-dots:before {
 	background: none;
 }
 
-.wp-block-spacer {
-	display: block;
-	margin-bottom: 0 !important;
-	margin-top: 0 !important;
-}
-@media only screen and (max-width: 481px) {
-
-	.wp-block-spacer[style] {
-		height: 20px !important;
-	}
-}
-
 table,
 .wp-block-table {
 	width: 100%;
diff --git a/wp-content/themes/twentytwentyone/assets/sass/05-blocks/blocks.scss b/wp-content/themes/twentytwentyone/assets/sass/05-blocks/blocks.scss
index 3e2d53b167..b8d04e2250 100644
--- a/wp-content/themes/twentytwentyone/assets/sass/05-blocks/blocks.scss
+++ b/wp-content/themes/twentytwentyone/assets/sass/05-blocks/blocks.scss
@@ -29,7 +29,6 @@
 @import "search/style";
 @import "separator/style";
 @import "social-icons/style";
-@import "spacer/style";
 @import "table/style";
 @import "tag-clould/style";
 @import "verse/style";
diff --git a/wp-content/themes/twentytwentyone/assets/sass/05-blocks/spacer/_style.scss b/wp-content/themes/twentytwentyone/assets/sass/05-blocks/spacer/_style.scss
deleted file mode 100644
index 7f9c4e1903..0000000000
--- a/wp-content/themes/twentytwentyone/assets/sass/05-blocks/spacer/_style.scss
+++ /dev/null
@@ -1,13 +0,0 @@
-.wp-block-spacer {
-	display: block;
-	// Remove vertical margins
-	margin-bottom: 0 !important;
-	margin-top: 0 !important;
-
-	@include media(mobile-only) {
-
-		&[style] {
-			height: var(--global--spacing-unit) !important;
-		}
-	}
-}
diff --git a/wp-content/themes/twentytwentyone/assets/sass/style.scss b/wp-content/themes/twentytwentyone/assets/sass/style.scss
index 085cfe194c..5a57a61417 100644
--- a/wp-content/themes/twentytwentyone/assets/sass/style.scss
+++ b/wp-content/themes/twentytwentyone/assets/sass/style.scss
@@ -47,7 +47,6 @@
  * Quote................Specific styles for the quote block.
  * Search...............Specific styles for the search block.
  * Separator............Specific styles for the separator block.
- * Spacer...............Specific styles for the spacer block.
  * Table................Specific styles for the table block.
  * Verse................Specific styles for the verse block.
  * Video................Specific styles for the video block.
diff --git a/wp-content/themes/twentytwentyone/style-rtl.css b/wp-content/themes/twentytwentyone/style-rtl.css
index 73492ccf8f..62fd8d6008 100644
--- a/wp-content/themes/twentytwentyone/style-rtl.css
+++ b/wp-content/themes/twentytwentyone/style-rtl.css
@@ -66,7 +66,6 @@ Twenty Twenty-One is distributed under the terms of the GNU GPL.
  * Quote................Specific styles for the quote block.
  * Search...............Specific styles for the search block.
  * Separator............Specific styles for the separator block.
- * Spacer...............Specific styles for the spacer block.
  * Table................Specific styles for the table block.
  * Verse................Specific styles for the verse block.
  * Video................Specific styles for the video block.
@@ -3375,18 +3374,6 @@ hr.wp-block-separator.is-style-dots:before {
 	background: none;
 }
 
-.wp-block-spacer {
-	display: block;
-	margin-bottom: 0 !important;
-	margin-top: 0 !important;
-}
-@media only screen and (max-width: 481px) {
-
-	.wp-block-spacer[style] {
-		height: var(--global--spacing-unit) !important;
-	}
-}
-
 table,
 .wp-block-table {
 	width: 100%;
diff --git a/wp-content/themes/twentytwentyone/style.css b/wp-content/themes/twentytwentyone/style.css
index 90f21a5bc3..d48b7a4929 100644
--- a/wp-content/themes/twentytwentyone/style.css
+++ b/wp-content/themes/twentytwentyone/style.css
@@ -66,7 +66,6 @@ Twenty Twenty-One is distributed under the terms of the GNU GPL.
  * Quote................Specific styles for the quote block.
  * Search...............Specific styles for the search block.
  * Separator............Specific styles for the separator block.
- * Spacer...............Specific styles for the spacer block.
  * Table................Specific styles for the table block.
  * Verse................Specific styles for the verse block.
  * Video................Specific styles for the video block.
@@ -3385,18 +3384,6 @@ hr.wp-block-separator.is-style-dots:before {
 	background: none;
 }
 
-.wp-block-spacer {
-	display: block;
-	margin-bottom: 0 !important;
-	margin-top: 0 !important;
-}
-@media only screen and (max-width: 481px) {
-
-	.wp-block-spacer[style] {
-		height: var(--global--spacing-unit) !important;
-	}
-}
-
 table,
 .wp-block-table {
 	width: 100%;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 0eb137e67d..6f7cad3103 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-54102';
+$wp_version = '6.1-alpha-54103';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.