diff --git a/packages/block-library/src/navigation-link/index.php b/packages/block-library/src/navigation-link/index.php
index ba8f547b3221a..f32437b41a3f8 100644
--- a/packages/block-library/src/navigation-link/index.php
+++ b/packages/block-library/src/navigation-link/index.php
@@ -100,7 +100,7 @@ function block_core_navigation_link_build_css_font_sizes( $context ) {
 		// Add the custom font size inline style.
 		$font_sizes['inline_styles'] = sprintf(
 			'font-size: %s;',
-			gutenberg_get_typography_font_size_value(
+			wp_get_typography_font_size_value(
 				array(
 					'size' => $context['style']['typography']['fontSize'],
 				)
diff --git a/packages/block-library/src/navigation-submenu/index.php b/packages/block-library/src/navigation-submenu/index.php
index f412b380b9c52..87c7c91481cdd 100644
--- a/packages/block-library/src/navigation-submenu/index.php
+++ b/packages/block-library/src/navigation-submenu/index.php
@@ -100,7 +100,7 @@ function block_core_navigation_submenu_build_css_font_sizes( $context ) {
 		// Add the custom font size inline style.
 		$font_sizes['inline_styles'] = sprintf(
 			'font-size: %s;',
-			gutenberg_get_typography_font_size_value(
+			wp_get_typography_font_size_value(
 				array(
 					'size' => $context['style']['typography']['fontSize'],
 				)
diff --git a/packages/block-library/src/page-list/index.php b/packages/block-library/src/page-list/index.php
index 2ec17dc3fa183..32acdad45ed63 100644
--- a/packages/block-library/src/page-list/index.php
+++ b/packages/block-library/src/page-list/index.php
@@ -121,7 +121,7 @@ function block_core_page_list_build_css_font_sizes( $context ) {
 		// Add the custom font size inline style.
 		$font_sizes['inline_styles'] = sprintf(
 			'font-size: %s;',
-			gutenberg_get_typography_font_size_value(
+			wp_get_typography_font_size_value(
 				array(
 					'size' => $context['style']['typography']['fontSize'],
 				)
diff --git a/packages/block-library/src/search/index.php b/packages/block-library/src/search/index.php
index 851131a5fb5d7..61b2cf2b06b51 100644
--- a/packages/block-library/src/search/index.php
+++ b/packages/block-library/src/search/index.php
@@ -444,7 +444,7 @@ function get_typography_styles_for_block_core_search( $attributes ) {
 	if ( ! empty( $attributes['style']['typography']['fontSize'] ) ) {
 		$typography_styles[] = sprintf(
 			'font-size: %s;',
-			gutenberg_get_typography_font_size_value(
+			wp_get_typography_font_size_value(
 				array(
 					'size' => $attributes['style']['typography']['fontSize'],
 				)
diff --git a/tools/webpack/blocks.js b/tools/webpack/blocks.js
index c56ee6417da90..f2c30984141fb 100644
--- a/tools/webpack/blocks.js
+++ b/tools/webpack/blocks.js
@@ -30,6 +30,7 @@ const blockViewRegex = new RegExp(
 const prefixFunctions = [
 	'build_query_vars_from_query_block',
 	'wp_enqueue_block_support_styles',
+	'wp_get_typography_font_size_value',
 	'wp_style_engine_get_styles',
 ];