diff --git a/plugins/image-prioritizer/helper.php b/plugins/image-prioritizer/helper.php
index 4d9f9d7283..48bf263ebc 100644
--- a/plugins/image-prioritizer/helper.php
+++ b/plugins/image-prioritizer/helper.php
@@ -21,8 +21,8 @@
  * @param string $optimization_detective_version Current version of the optimization detective plugin.
  */
 function image_prioritizer_init( string $optimization_detective_version ): void {
-	$required_od_version = '0.9.0';
-	if ( ! version_compare( (string) strtok( $optimization_detective_version, '-' ), $required_od_version, '>=' ) ) {
+	$required_od_version = '1.0.0-beta3';
+	if ( ! version_compare( $optimization_detective_version, $required_od_version, '>=' ) ) {
 		add_action(
 			'admin_notices',
 			static function (): void {
@@ -297,16 +297,15 @@ static function ( $host ) {
 function image_prioritizer_filter_rest_request_before_callbacks( $response, array $handler, WP_REST_Request $request ) {
 	unset( $handler ); // Unused.
 
-	// Check for class existence and use constant or class method calls accordingly.
-	$route_endpoint = class_exists( 'OD_REST_URL_Metrics_Store_Endpoint' )
-						? OD_REST_URL_Metrics_Store_Endpoint::ROUTE_NAMESPACE . OD_REST_URL_Metrics_Store_Endpoint::ROUTE_BASE
-						: OD_REST_API_NAMESPACE . OD_URL_METRICS_ROUTE; // @phpstan-ignore constant.deprecated, constant.deprecated (To be replaced with class method calls in subsequent release.)
-
 	if (
 		$request->get_method() !== 'POST'
 		||
 		// The strtolower() and outer trim are due to \WP_REST_Server::match_request_to_handler() using case-insensitive pattern match and using '$' instead of '\z'.
-		( rtrim( strtolower( ltrim( $request->get_route(), '/' ) ) ) !== $route_endpoint )
+		(
+			OD_REST_URL_Metrics_Store_Endpoint::ROUTE_NAMESPACE . OD_REST_URL_Metrics_Store_Endpoint::ROUTE_BASE
+			!==
+			rtrim( strtolower( ltrim( $request->get_route(), '/' ) ) )
+		)
 	) {
 		return $response;
 	}
diff --git a/plugins/optimization-detective/class-od-tag-visitor-context.php b/plugins/optimization-detective/class-od-tag-visitor-context.php
index 920ed35442..e88f4a1518 100644
--- a/plugins/optimization-detective/class-od-tag-visitor-context.php
+++ b/plugins/optimization-detective/class-od-tag-visitor-context.php
@@ -120,20 +120,6 @@ public function __get( string $name ) {
 				return $this->url_metrics_id;
 			case 'url_metric_group_collection':
 				return $this->url_metric_group_collection;
-			case 'url_metrics_group_collection':
-				// TODO: Remove this when no plugins are possibly referring to the url_metrics_group_collection property anymore.
-				_doing_it_wrong(
-					esc_html( __CLASS__ . '::$' . $name ),
-					esc_html(
-						sprintf(
-							/* translators: %s is class member variable name */
-							__( 'Use %s instead.', 'optimization-detective' ),
-							__CLASS__ . '::$url_metric_group_collection'
-						)
-					),
-					'optimization-detective 0.7.0'
-				);
-				return $this->url_metric_group_collection;
 			default:
 				throw new Error(
 					esc_html(
diff --git a/plugins/optimization-detective/load.php b/plugins/optimization-detective/load.php
index b396667797..90a75909c5 100644
--- a/plugins/optimization-detective/load.php
+++ b/plugins/optimization-detective/load.php
@@ -110,8 +110,6 @@ static function ( string $version ): void {
 		require_once __DIR__ . '/class-od-strict-url-metric.php';
 		require_once __DIR__ . '/class-od-url-metric-group.php';
 		require_once __DIR__ . '/class-od-url-metric-group-collection.php';
-		class_alias( OD_URL_Metric_Group::class, 'OD_URL_Metrics_Group' ); // Temporary class alias for back-compat after rename.
-		class_alias( OD_URL_Metric_Group_Collection::class, 'OD_URL_Metrics_Group_Collection' ); // Temporary class alias for back-compat after rename.
 
 		// Storage logic.
 		require_once __DIR__ . '/storage/class-od-url-metrics-post-type.php';
diff --git a/plugins/optimization-detective/tests/test-optimization.php b/plugins/optimization-detective/tests/test-optimization.php
index 121cbe2f3b..d4789d208f 100644
--- a/plugins/optimization-detective/tests/test-optimization.php
+++ b/plugins/optimization-detective/tests/test-optimization.php
@@ -406,9 +406,6 @@ function ( OD_Tag_Visitor_Registry $tag_visitor_registry ): void {
 					'img',
 					function ( OD_Tag_Visitor_Context $context ): bool {
 						$this->assertInstanceOf( OD_URL_Metric_Group_Collection::class, $context->url_metric_group_collection );
-						$this->setExpectedIncorrectUsage( 'OD_Tag_Visitor_Context::$url_metrics_group_collection' );
-						$this->assertInstanceOf( OD_URL_Metric_Group_Collection::class, $context->url_metrics_group_collection );
-						$this->assertSame( $context->url_metric_group_collection, $context->url_metrics_group_collection );
 						$this->assertInstanceOf( OD_HTML_Tag_Processor::class, $context->processor );
 						$this->assertInstanceOf( OD_Link_Collection::class, $context->link_collection );
 						$this->assertTrue( null === $context->url_metrics_id || $context->url_metrics_id > 0 );