diff --git a/lib/load.php b/lib/load.php
index aa67455551aee4..3d6d782eae15bf 100644
--- a/lib/load.php
+++ b/lib/load.php
@@ -151,14 +151,6 @@ function gutenberg_is_experiment_enabled( $name ) {
 require __DIR__ . '/demo.php';
 require __DIR__ . '/experiments-page.php';
 
-add_filter(
-	'safe_style_css',
-	function( $safe_rules ) {
-		$safe_rules[] = 'transition';
-		return $safe_rules;
-	}
-);
-
 // Copied package PHP files.
 if ( file_exists( __DIR__ . '/../build/style-engine/class-wp-style-engine-gutenberg.php' ) ) {
 	require_once __DIR__ . '/../build/style-engine/class-wp-style-engine-gutenberg.php';
diff --git a/packages/style-engine/class-wp-style-engine.php b/packages/style-engine/class-wp-style-engine.php
index 7254157efa8818..5bf2abbe3287a9 100644
--- a/packages/style-engine/class-wp-style-engine.php
+++ b/packages/style-engine/class-wp-style-engine.php
@@ -144,14 +144,6 @@ class WP_Style_Engine {
 				),
 			),
 		),
-		'effects'    => array(
-			'transition' => array(
-				'property_keys' => array(
-					'default' => 'transition',
-				),
-				'path'          => array( 'effects', 'transition' ),
-			),
-		),
 		'elements'   => array(
 			'link'   => array(
 				'path'     => array( 'elements', 'link' ),
diff --git a/packages/style-engine/phpunit/class-wp-style-engine-test.php b/packages/style-engine/phpunit/class-wp-style-engine-test.php
index 9878e02dc918f2..fc7e1ee67be495 100644
--- a/packages/style-engine/phpunit/class-wp-style-engine-test.php
+++ b/packages/style-engine/phpunit/class-wp-style-engine-test.php
@@ -385,7 +385,7 @@ public function data_generate_styles_fixtures() {
 				),
 			),
 
-			'elements_and_element_states_with_css_vars_and_transitions' => array(
+			'elements_and_element_states_with_css_vars' => array(
 				'block_styles'    => array(
 					'elements' => array(
 						'button' => array(
@@ -393,10 +393,7 @@ public function data_generate_styles_fixtures() {
 								'text'       => 'var:preset|color|roastbeef',
 								'background' => '#000',
 							),
-							'effects' => array(
-								'transition' => 'all 0.5s ease-out',
-							),
-							':hover'  => array(
+							':hover' => array(
 								'color' => array(
 									'text'       => 'var:preset|color|pineapple',
 									'background' => 'var:preset|color|goldenrod',
@@ -410,7 +407,7 @@ public function data_generate_styles_fixtures() {
 					'css_vars' => true,
 				),
 				'expected_output' => array(
-					'css' => '.der-beste-button button { color: var(--wp--preset--color--roastbeef); background-color: #000; transition: all 0.5s ease-out; } .der-beste-button button:hover { color: var(--wp--preset--color--pineapple); background-color: var(--wp--preset--color--goldenrod); }',
+					'css' => '.der-beste-button button { color: var(--wp--preset--color--roastbeef); background-color: #000; } .der-beste-button button:hover { color: var(--wp--preset--color--pineapple); background-color: var(--wp--preset--color--goldenrod); }',
 				),
 			),
 		);