diff --git a/src/wp-includes/fonts/class-wp-font-face.php b/src/wp-includes/fonts/class-wp-font-face.php
index 193a5d0951ddb..3df3c5ce265d8 100644
--- a/src/wp-includes/fonts/class-wp-font-face.php
+++ b/src/wp-includes/fonts/class-wp-font-face.php
@@ -137,22 +137,18 @@ private function validate_font_face_declarations( array $font_face ) {
 
 		// Check the font-family.
 		if ( empty( $font_face['font-family'] ) || ! is_string( $font_face['font-family'] ) ) {
-			// @todo replace with `wp_trigger_error()`.
-			_doing_it_wrong(
+			wp_trigger_error(
 				__METHOD__,
-				__( 'Font font-family must be a non-empty string.' ),
-				'6.4.0'
+				__( 'Font font-family must be a non-empty string.' )
 			);
 			return false;
 		}
 
 		// Make sure that local fonts have 'src' defined.
 		if ( empty( $font_face['src'] ) || ( ! is_string( $font_face['src'] ) && ! is_array( $font_face['src'] ) ) ) {
-			// @todo replace with `wp_trigger_error()`.
-			_doing_it_wrong(
+			wp_trigger_error(
 				__METHOD__,
-				__( 'Font src must be a non-empty string or an array of strings.' ),
-				'6.4.0'
+				__( 'Font src must be a non-empty string or an array of strings.' )
 			);
 			return false;
 		}
@@ -160,11 +156,9 @@ private function validate_font_face_declarations( array $font_face ) {
 		// Validate the 'src' property.
 		foreach ( (array) $font_face['src'] as $src ) {
 			if ( empty( $src ) || ! is_string( $src ) ) {
-				// @todo replace with `wp_trigger_error()`.
-				_doing_it_wrong(
+				wp_trigger_error(
 					__METHOD__,
-					__( 'Each font src must be a non-empty string.' ),
-					'6.4.0'
+					__( 'Each font src must be a non-empty string.' )
 				);
 				return false;
 			}
@@ -172,11 +166,9 @@ private function validate_font_face_declarations( array $font_face ) {
 
 		// Check the font-weight.
 		if ( ! is_string( $font_face['font-weight'] ) && ! is_int( $font_face['font-weight'] ) ) {
-			// @todo replace with `wp_trigger_error()`.
-			_doing_it_wrong(
+			wp_trigger_error(
 				__METHOD__,
-				__( 'Font font-weight must be a properly formatted string or integer.' ),
-				'6.4.0'
+				__( 'Font font-weight must be a properly formatted string or integer.' )
 			);
 			return false;
 		}