diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 12421811b6..9e4742b6f5 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -388,14 +388,12 @@ function wp_default_scripts( &$scripts ) {
 						'mejs.fullscreen-on'       => __( 'Go Fullscreen' ),
 						'mejs.download-video'      => __( 'Download Video' ),
 						'mejs.fullscreen'          => __( 'Fullscreen' ),
-						'mejs.time-jump-forward'   => array( __( 'Jump forward 1 second' ), __( 'Jump forward %1 seconds' ) ),
 						'mejs.loop'                => __( 'Toggle Loop' ),
 						'mejs.play'                => __( 'Play' ),
 						'mejs.pause'               => __( 'Pause' ),
 						'mejs.close'               => __( 'Close' ),
 						'mejs.time-slider'         => __( 'Time Slider' ),
 						'mejs.time-help-text'      => __( 'Use Left/Right Arrow keys to advance one second, Up/Down arrows to advance ten seconds.' ),
-						'mejs.time-skip-back'      => array( __( 'Skip back 1 second' ), __( 'Skip back %1 seconds' ) ),
 						'mejs.captions-subtitles'  => __( 'Captions/Subtitles' ),
 						'mejs.captions-chapters'   => __( 'Chapters' ),
 						'mejs.none'                => __( 'None' ),
@@ -407,7 +405,6 @@ function wp_default_scripts( &$scripts ) {
 						'mejs.video-player'        => __( 'Video Player' ),
 						'mejs.audio-player'        => __( 'Audio Player' ),
 						'mejs.ad-skip'             => __( 'Skip ad' ),
-						'mejs.ad-skip-info'        => array( __( 'Skip in 1 second' ), __( 'Skip in %1 seconds' ) ),
 						'mejs.source-chooser'      => __( 'Source Chooser' ),
 						'mejs.stop'                => __( 'Stop' ),
 						'mejs.speed-rate'          => __( 'Speed Rate' ),
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d92f3b5ae9..42100d88f6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-43344';
+$wp_version = '5.0-alpha-43345';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.