diff --git a/archeo/style.css b/archeo/style.css
index 4798252459..297945a552 100644
--- a/archeo/style.css
+++ b/archeo/style.css
@@ -111,58 +111,6 @@ a:active,
 	color: var(--wp--preset--color--background);
 }
 
-/*
- * Alignment styles, borrowed from Twenty Twenty-Two.
- * These rules are temporary, and should not be relied on or
- * modified too heavily by themes or plugins that build on
- * Twenty Twenty-Two. These are meant to be a precursor to
- * a global solution provided by the Block Editor.
- *
- * Relevant issues:
- * https://github.com/WordPress/gutenberg/issues/35607
- * https://github.com/WordPress/gutenberg/issues/35884
- */
-
-.wp-site-blocks,
-body > .is-root-container,
-.edit-post-visual-editor__post-title-wrapper,
-.wp-block-group.alignfull,
-.wp-block-group.has-background,
-.wp-block-columns.alignfull.has-background,
-.wp-block-cover.alignfull,
-.is-root-container .wp-block[data-align='full'] > .wp-block-group,
-.is-root-container .wp-block[data-align='full'] > .wp-block-columns.has-background,
-.is-root-container .wp-block[data-align='full'] > .wp-block-cover {
-	padding-left: var(--wp--custom--spacing--outer);
-	padding-right: var(--wp--custom--spacing--outer);
-}
-
-.wp-site-blocks .alignfull,
-.wp-site-blocks > .wp-block-group.has-background,
-.wp-site-blocks > .wp-block-cover,
-.wp-site-blocks > .wp-block-template-part > .wp-block-group.has-background,
-.wp-site-blocks > .wp-block-template-part > .wp-block-cover,
-body > .is-root-container > .wp-block-cover,
-body > .is-root-container > .wp-block-template-part > .wp-block-group.has-background,
-body > .is-root-container > .wp-block-template-part > .wp-block-cover,
-.is-root-container .wp-block[data-align='full'] {
-	margin-left: calc(-1 * var(--wp--custom--spacing--outer)) !important;
-	margin-right: calc(-1 * var(--wp--custom--spacing--outer)) !important;
-	max-width: unset;
-	width: unset;
-}
-
-/* Blocks inside columns don't have negative margins. */
-.wp-site-blocks .wp-block-columns .wp-block-column .alignfull,
-.is-root-container .wp-block-columns .wp-block-column .wp-block[data-align="full"],
-/* We also want to avoid stacking negative margins. */
-.wp-site-blocks .alignfull:not(.wp-block-group) .alignfull,
-.is-root-container .wp-block[data-align="full"] > *:not(.wp-block-group) .wp-block[data-align="full"] {
-	margin-left: auto !important;
-	margin-right: auto !important;
-	width: inherit;
-}
-
 /*
  * Responsive menu container padding.
  * This ensures the responsive container inherits the same
diff --git a/archeo/theme.json b/archeo/theme.json
index f884c82b0b..2379eaacc6 100644
--- a/archeo/theme.json
+++ b/archeo/theme.json
@@ -20,6 +20,7 @@
 	],
 	"settings": {
 		"appearanceTools": true,
+		"useRootVariables": true,
 		"color": {
 			"palette": [
 				{