diff --git a/wp-includes/pomo/entry.php b/wp-includes/pomo/entry.php
index 97ffe46b7b..983f1d4113 100644
--- a/wp-includes/pomo/entry.php
+++ b/wp-includes/pomo/entry.php
@@ -87,10 +87,10 @@ if ( ! class_exists( 'Translation_Entry', false ) ) :
 		/**
 		 * Generates a unique key for this entry.
 		 *
-		 * @return string|false The key or false if the entry is empty.
+		 * @return string|false The key or false if the entry is null.
 		 */
 		public function key() {
-			if ( null === $this->singular || '' === $this->singular ) {
+			if ( null === $this->singular ) {
 				return false;
 			}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index f35abb145b..21fcf61917 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-beta1-54314';
+$wp_version = '6.1-beta1-54315';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.