diff -Naur wordpress/wp-admin/about.php wordpress/wp-admin/about.php
--- wordpress/wp-admin/about.php	2018-09-14 15:18:11.999630000 +0530
+++ wordpress/wp-admin/about.php	2018-10-08 12:08:36.184285429 +0530
@@ -314,29 +314,6 @@
 			</div>
 		</div>
 
-		<div class="inline-svg">
-			<picture>
-				<source media="(max-width: 500px)" srcset="<?php echo 'https://s.w.org/images/core/4.9/gutenberg-mobile.svg'; ?>">
-				<img src="https://s.w.org/images/core/4.9/gutenberg.svg" alt="">
-			</picture>
-		</div>
-
-		<div class="feature-section">
-			<h2>
-				<?php
-					printf(
-						/* translators: %s: handshake emoji */
-						__( 'Lend a Hand with Gutenberg %s' ),
-						'&#x1F91D'
-					);
-				?>
-			</h2>
-			<p><?php printf(
-				__( 'WordPress is working on a new way to create and control your content and we&#8217;d love to have your help. Interested in being an <a href="%s">early tester</a> or getting involved with the Gutenberg project? <a href="%s">Contribute on GitHub</a>.' ),
-				__( 'https://wordpress.org/plugins/gutenberg/' ),
-				'https://github.com/WordPress/gutenberg' ); ?></p>
-		</div>
-
 		<hr />
 
 		<div class="changelog">
diff -Naur wordpress/wp-admin/admin-ajax.php wordpress/wp-admin/admin-ajax.php
--- wordpress/wp-admin/admin-ajax.php	2018-08-13 14:12:22.749902000 +0530
+++ wordpress/wp-admin/admin-ajax.php	2018-10-08 12:08:48.924327252 +0530
@@ -67,7 +67,6 @@
 	'get-post-thumbnail-html', 'get-community-events', 'edit-theme-plugin-file',
 	'wp-privacy-export-personal-data',
 	'wp-privacy-erase-personal-data',
-	'update-try-gutenberg-panel',
 );
 
 // Deprecated
diff -Naur wordpress/wp-admin/css/common.css wordpress/wp-admin/css/common.css
--- wordpress/wp-admin/css/common.css	2018-08-13 14:12:22.765902000 +0530
+++ wordpress/wp-admin/css/common.css	2018-10-08 12:09:23.124462583 +0530
@@ -764,7 +764,6 @@
 
 /* @todo can we combine these into a class or use an existing dashicon one? */
 .welcome-panel .welcome-panel-close:before,
-.try-gutenberg-panel .try-gutenberg-panel-close:before,
 .tagchecklist .ntdelbutton .remove-tag-icon:before,
 #bulk-titles div a:before,
 .notice-dismiss:before {
diff -Naur wordpress/wp-admin/css/common-rtl.css wordpress/wp-admin/css/common-rtl.css
--- wordpress/wp-admin/css/common-rtl.css	2018-08-13 14:12:22.757902000 +0530
+++ wordpress/wp-admin/css/common-rtl.css	2018-10-08 12:09:10.808410060 +0530
@@ -764,7 +764,6 @@
 
 /* @todo can we combine these into a class or use an existing dashicon one? */
 .welcome-panel .welcome-panel-close:before,
-.try-gutenberg-panel .try-gutenberg-panel-close:before,
 .tagchecklist .ntdelbutton .remove-tag-icon:before,
 #bulk-titles div a:before,
 .notice-dismiss:before {
diff -Naur wordpress/wp-admin/css/dashboard.css wordpress/wp-admin/css/dashboard.css
--- wordpress/wp-admin/css/dashboard.css	2018-08-13 14:12:22.765902000 +0530
+++ wordpress/wp-admin/css/dashboard.css	2018-10-08 12:15:12.183349239 +0530
@@ -98,8 +98,7 @@
 }
 
 /* Welcome Panel */
-.welcome-panel,
-.try-gutenberg-panel {
+.welcome-panel {
 	position: relative;
 	overflow: auto;
 	margin: 16px 0;
@@ -111,8 +110,7 @@
 	line-height: 2.1em;
 }
 
-.welcome-panel h2,
-.try-gutenberg-panel h2 {
+.welcome-panel h2 {
 	margin: 0;
 	font-size: 21px;
 	font-weight: 400;
@@ -124,41 +122,24 @@
 	font-size: 16px;
 }
 
-.try-gutenberg-panel h3 {
-	margin: 17px 0 0;
-	font-size: 16px;
-	line-height: 1.4;
-}
-
-.welcome-panel li,
-.try-gutenberg-panel li {
+.welcome-panel li {
 	font-size: 14px;
 }
 
-.welcome-panel p,
-.try-gutenberg-panel p {
+.welcome-panel p {
 	color: #72777c;
 }
 
-.welcome-panel a,
-.try-gutenberg-action a {
+.welcome-panel a {
 	text-decoration: none;
 }
 
-.welcome-panel .about-description,
-.try-gutenberg-panel .about-description {
+.welcome-panel .about-description {
 	font-size: 16px;
 	margin: 0;
 }
 
-.try-gutenberg-panel-content hr {
-	margin: 20px -23px 0 -23px;
-	border-top: 1px solid #f3f4f5;
-	border-bottom: none;
-}
-
-.welcome-panel .welcome-panel-close,
-.try-gutenberg-panel .try-gutenberg-panel-close {
+.welcome-panel .welcome-panel-close {
 	position: absolute;
 	z-index: 10;
 	top: 10px;
@@ -169,8 +150,7 @@
 	text-decoration: none;
 }
 
-.welcome-panel .welcome-panel-close:before,
-.try-gutenberg-panel .try-gutenberg-panel-close:before {
+.welcome-panel .welcome-panel-close:before {
 	position: absolute;
 	top: 8px;
 	left: 0;
@@ -185,23 +165,11 @@
 	white-space: normal;
 }
 
-.welcome-panel-content,
-.try-gutenberg-panel-content {
+.welcome-panel-content {
 	margin: 0 13px;
 	max-width: 1500px;
 }
 
-.try-gutenberg-panel img {
-	margin-top: 23px;
-	width: calc( 100% - 40px );
-	border: 1px solid #f3f4f5;
-}
-
-.try-gutenberg-panel .install-now.updating-message:before,
-.try-gutenberg-panel .install-now.updated-message:before {
-	margin-top: 11px;
-}
-
 .welcome-panel .welcome-panel-column-container {
 	clear: both;
 	position: relative;
@@ -213,10 +181,6 @@
 	float: left;
 }
 
-.try-gutenberg-panel .try-gutenberg-panel-column > * {
-	padding-right: 40px;
-}
-
 .ie8 .welcome-panel .welcome-panel-column {
 	min-width: 230px;
 }
@@ -225,27 +189,11 @@
 	width: 36%;
 }
 
-.try-gutenberg-panel .try-gutenberg-panel-column-container {
-	display: -ms-grid;
-	display: grid;
-	-ms-grid-columns: 36% 32% 32%;
-	grid-template-columns: 36% 32% 32%;
-	margin-bottom: 13px;
-}
-
-.try-gutenberg-panel .try-gutenberg-panel-column:not(.try-gutenberg-panel-image-column) {
-	display: -ms-grid;
-	display: grid;
-	-ms-grid-rows: auto 100px;
-	grid-template-rows: auto 100px;
-}
-
 .welcome-panel-column p.hide-if-no-customize {
 	margin-top: 10px;
 }
 
-.welcome-panel-column p,
-.try-gutenberg-panel-column p {
+.welcome-panel-column p {
 	margin-top: 7px;
 	color: #444;
 }
@@ -1260,17 +1208,6 @@
 	}
 }
 
-@media screen and (max-width: 1024px) {
-	.try-gutenberg-panel .try-gutenberg-panel-column-container {
-		-ms-grid-columns: 50% 50%;
-		grid-template-columns: 50% 50%;
-	}
-
-	.try-gutenberg-panel .try-gutenberg-panel-image-column {
-		display: none;
-	}
-}
-
 @media screen and (max-width: 870px) {
 	.welcome-panel .welcome-panel-column,
 	.welcome-panel .welcome-panel-column:first-child {
@@ -1279,11 +1216,6 @@
 		width: 100%;
 	}
 
-	.try-gutenberg-panel .try-gutenberg-panel-column-container {
-		-ms-grid-columns: 100%;
-		grid-template-columns: 100%;
-	}
-
 	.welcome-panel .welcome-panel-column li {
 		display: inline-block;
 		margin-right: 13px;
@@ -1334,8 +1266,7 @@
 /* Smartphone */
 @media screen and (max-width: 600px) {
 	/* Keep the close icon from overlapping the Welcome text. */
-	.welcome-panel .welcome-panel-close,
-	.try-gutenberg-panel .try-gutenberg-panel-close {
+	.welcome-panel .welcome-panel-close {
 		overflow: hidden;
 		text-indent: 40px;
 		white-space: nowrap;
@@ -1347,8 +1278,7 @@
 	}
 
 	/* Make the close icon larger for tappability. */
-	.welcome-panel .welcome-panel-close:before,
-	.try-gutenberg-panel .try-gutenberg-panel-close:before {
+	.welcome-panel .welcome-panel-close:before {
 		font-size: 20px;
 		top: 5px;
 		left: -35px;
diff -Naur wordpress/wp-admin/css/dashboard-rtl.css wordpress/wp-admin/css/dashboard-rtl.css
--- wordpress/wp-admin/css/dashboard-rtl.css	2018-08-13 14:12:22.757902000 +0530
+++ wordpress/wp-admin/css/dashboard-rtl.css	2018-10-08 12:13:48.350450739 +0530
@@ -98,8 +98,7 @@
 }
 
 /* Welcome Panel */
-.welcome-panel,
-.try-gutenberg-panel {
+.welcome-panel {
 	position: relative;
 	overflow: auto;
 	margin: 16px 0;
@@ -111,8 +110,7 @@
 	line-height: 2.1em;
 }
 
-.welcome-panel h2,
-.try-gutenberg-panel h2 {
+.welcome-panel h2 {
 	margin: 0;
 	font-size: 21px;
 	font-weight: 400;
@@ -124,41 +122,24 @@
 	font-size: 16px;
 }
 
-.try-gutenberg-panel h3 {
-	margin: 17px 0 0;
-	font-size: 16px;
-	line-height: 1.4;
-}
-
-.welcome-panel li,
-.try-gutenberg-panel li {
+.welcome-panel li {
 	font-size: 14px;
 }
 
-.welcome-panel p,
-.try-gutenberg-panel p {
+.welcome-panel p {
 	color: #72777c;
 }
 
-.welcome-panel a,
-.try-gutenberg-action a {
+.welcome-panel a {
 	text-decoration: none;
 }
 
-.welcome-panel .about-description,
-.try-gutenberg-panel .about-description {
+.welcome-panel .about-description {
 	font-size: 16px;
 	margin: 0;
 }
 
-.try-gutenberg-panel-content hr {
-	margin: 20px -23px 0 -23px;
-	border-top: 1px solid #f3f4f5;
-	border-bottom: none;
-}
-
-.welcome-panel .welcome-panel-close,
-.try-gutenberg-panel .try-gutenberg-panel-close {
+.welcome-panel .welcome-panel-close {
 	position: absolute;
 	z-index: 10;
 	top: 10px;
@@ -169,8 +150,7 @@
 	text-decoration: none;
 }
 
-.welcome-panel .welcome-panel-close:before,
-.try-gutenberg-panel .try-gutenberg-panel-close:before {
+.welcome-panel .welcome-panel-close:before {
 	position: absolute;
 	top: 8px;
 	right: 0;
@@ -185,23 +165,11 @@
 	white-space: normal;
 }
 
-.welcome-panel-content,
-.try-gutenberg-panel-content {
+.welcome-panel-content {
 	margin: 0 13px;
 	max-width: 1500px;
 }
 
-.try-gutenberg-panel img {
-	margin-top: 23px;
-	width: calc( 100% - 40px );
-	border: 1px solid #f3f4f5;
-}
-
-.try-gutenberg-panel .install-now.updating-message:before,
-.try-gutenberg-panel .install-now.updated-message:before {
-	margin-top: 11px;
-}
-
 .welcome-panel .welcome-panel-column-container {
 	clear: both;
 	position: relative;
@@ -213,10 +181,6 @@
 	float: right;
 }
 
-.try-gutenberg-panel .try-gutenberg-panel-column > * {
-	padding-left: 40px;
-}
-
 .ie8 .welcome-panel .welcome-panel-column {
 	min-width: 230px;
 }
@@ -225,27 +189,11 @@
 	width: 36%;
 }
 
-.try-gutenberg-panel .try-gutenberg-panel-column-container {
-	display: -ms-grid;
-	display: grid;
-	-ms-grid-columns: 36% 32% 32%;
-	grid-template-columns: 36% 32% 32%;
-	margin-bottom: 13px;
-}
-
-.try-gutenberg-panel .try-gutenberg-panel-column:not(.try-gutenberg-panel-image-column) {
-	display: -ms-grid;
-	display: grid;
-	-ms-grid-rows: auto 100px;
-	grid-template-rows: auto 100px;
-}
-
 .welcome-panel-column p.hide-if-no-customize {
 	margin-top: 10px;
 }
 
-.welcome-panel-column p,
-.try-gutenberg-panel-column p {
+.welcome-panel-column p {
 	margin-top: 7px;
 	color: #444;
 }
@@ -1260,17 +1208,6 @@
 	}
 }
 
-@media screen and (max-width: 1024px) {
-	.try-gutenberg-panel .try-gutenberg-panel-column-container {
-		-ms-grid-columns: 50% 50%;
-		grid-template-columns: 50% 50%;
-	}
-
-	.try-gutenberg-panel .try-gutenberg-panel-image-column {
-		display: none;
-	}
-}
-
 @media screen and (max-width: 870px) {
 	.welcome-panel .welcome-panel-column,
 	.welcome-panel .welcome-panel-column:first-child {
@@ -1279,11 +1216,6 @@
 		width: 100%;
 	}
 
-	.try-gutenberg-panel .try-gutenberg-panel-column-container {
-		-ms-grid-columns: 100%;
-		grid-template-columns: 100%;
-	}
-
 	.welcome-panel .welcome-panel-column li {
 		display: inline-block;
 		margin-left: 13px;
@@ -1334,8 +1266,7 @@
 /* Smartphone */
 @media screen and (max-width: 600px) {
 	/* Keep the close icon from overlapping the Welcome text. */
-	.welcome-panel .welcome-panel-close,
-	.try-gutenberg-panel .try-gutenberg-panel-close {
+	.welcome-panel .welcome-panel-close {
 		overflow: hidden;
 		text-indent: 40px;
 		white-space: nowrap;
@@ -1347,8 +1278,7 @@
 	}
 
 	/* Make the close icon larger for tappability. */
-	.welcome-panel .welcome-panel-close:before,
-	.try-gutenberg-panel .try-gutenberg-panel-close:before {
+	.welcome-panel .welcome-panel-close:before {
 		font-size: 20px;
 		top: 5px;
 		right: -35px;
diff -Naur wordpress/wp-admin/includes/ajax-actions.php wordpress/wp-admin/includes/ajax-actions.php
--- wordpress/wp-admin/includes/ajax-actions.php	2018-08-13 14:12:22.737902000 +0530
+++ wordpress/wp-admin/includes/ajax-actions.php	2018-10-08 12:15:36.255625856 +0530
@@ -1485,19 +1485,6 @@
 }
 
 /**
- * Ajax handler for updating whether to display the Try Gutenberg panel.
- *
- * @since 4.9.8
- */
-function wp_ajax_update_try_gutenberg_panel() {
-	check_ajax_referer( 'try-gutenberg-panel-nonce', 'trygutenbergpanelnonce' );
-
-	update_user_meta( get_current_user_id(), 'show_try_gutenberg_panel', empty( $_POST['visible'] ) ? 0 : 1 );
-
-	wp_die( 1 );
-}
-
-/**
  * Ajax handler for retrieving menu meta boxes.
  *
  * @since 3.1.0
diff -Naur wordpress/wp-admin/includes/class-wp-screen.php wordpress/wp-admin/includes/class-wp-screen.php
--- wordpress/wp-admin/includes/class-wp-screen.php	2018-08-13 14:12:22.745902000 +0530
+++ wordpress/wp-admin/includes/class-wp-screen.php	2018-10-08 12:15:56.059859150 +0530
@@ -1032,23 +1032,6 @@
 				echo _x( 'Welcome', 'Welcome panel' ) . "</label>\n";
 			}
 
-			if ( 'dashboard' === $this->id && has_action( 'try_gutenberg_panel' ) ) {
-				if ( isset( $_GET['try_gutenberg'] ) ) {
-					$try_gutenberg_checked = empty( $_GET['try_gutenberg'] ) ? 0 : 1;
-					update_user_meta( get_current_user_id(), 'show_try_gutenberg_panel', $try_gutenberg_checked );
-				} else {
-					$try_gutenberg_checked = get_user_meta( get_current_user_id(), 'show_try_gutenberg_panel', true );
-					if ( '' === $try_gutenberg_checked ) {
-						$try_gutenberg_checked = '1';
-					}
-					if ( '2' === $try_gutenberg_checked && wp_get_current_user()->user_email != get_option( 'admin_email' ) ) {
-						$try_gutenberg_checked = false;
-					}
-				}
-				echo '<label for="wp_try_gutenberg_panel-hide">';
-				echo '<input type="checkbox" id="wp_try_gutenberg_panel-hide"' . checked( (bool) $try_gutenberg_checked, true, false ) . ' />';
-				echo __( 'New Editor' ) . "</label>\n";
-			}
 		?>
 		</fieldset>
 		<?php
diff -Naur wordpress/wp-admin/includes/dashboard.php wordpress/wp-admin/includes/dashboard.php
--- wordpress/wp-admin/includes/dashboard.php	2018-08-13 14:12:22.745902000 +0530
+++ wordpress/wp-admin/includes/dashboard.php	2018-10-08 12:16:57.900618718 +0530
@@ -24,18 +24,6 @@
 
 	/* Register Widgets and Controls */
 
-	// Try Gutenberg
-
-	// If Gutenberg isn't activated, only show the panel to users who can install and activate it.
-	$plugins = get_plugins();
-	if ( is_plugin_inactive( 'gutenberg/gutenberg.php' ) && ! current_user_can( 'install_plugins' ) ) {
-		remove_action( 'try_gutenberg_panel', 'wp_try_gutenberg_panel' );
-	}
-	// If Gutenberg is activated, only show it to users who can use it.
-	if ( is_plugin_active( 'gutenberg/gutenberg.php' ) && ! current_user_can( 'edit_posts' ) ) {
-		remove_action( 'try_gutenberg_panel', 'wp_try_gutenberg_panel' );
-	}
-
 	$response = wp_check_browser_version();
 
 	if ( $response && $response['upgrade'] ) {
@@ -1631,140 +1619,3 @@
 	</div>
 	<?php
 }
-
-/**
- * Displays a Try Gutenberg Panel, to introduce people to Gutenberg
- *
- * @since 4.9.8
- */
-function wp_try_gutenberg_panel() {
-	$plugins = get_plugins();
-	$action = $url = $classes = '';
-	$classic_action = $classic_url = $classic_classes = '';
-
-	if ( current_user_can( 'install_plugins' ) ) {
-		if ( empty( $plugins['gutenberg/gutenberg.php'] ) ) {
-			if ( get_filesystem_method( array(), WP_PLUGIN_DIR ) === 'direct' ) {
-				$action = __( 'Install Gutenberg' );
-				$url = wp_nonce_url( self_admin_url( 'update.php?action=install-plugin&plugin=gutenberg' ), 'install-plugin_gutenberg' );
-				$classes = ' install-now';
-			}
-		} else if ( is_plugin_inactive( 'gutenberg/gutenberg.php' ) ) {
-			$action = __( 'Activate Gutenberg' );
-			$url = wp_nonce_url( self_admin_url( 'plugins.php?action=activate&plugin=gutenberg/gutenberg.php&from=try-gutenberg' ), 'activate-plugin_gutenberg/gutenberg.php' );
-			$classes = ' activate-now';
-		}
-
-		if ( empty( $plugins['classic-editor/classic-editor.php'] ) ) {
-			if ( get_filesystem_method( array(), WP_PLUGIN_DIR ) === 'direct' ) {
-				$classic_action = __( 'Install the Classic Editor' );
-				$classic_url = wp_nonce_url( self_admin_url( 'update.php?action=install-plugin&plugin=classic-editor' ), 'install-plugin_classic-editor' );
-				$classic_classes = ' install-now';
-			}
-		} else if ( is_plugin_inactive( 'classic-editor/classic-editor.php' ) ) {
-			$classic_action = __( 'Activate the Classic Editor' );
-			$classic_url = wp_nonce_url( self_admin_url( 'plugins.php?action=activate&plugin=classic-editor/classic-editor.php&from=try-gutenberg' ), 'activate-plugin_classic-editor/classic-editor.php' );
-			$classic_classes = ' activate-now';
-		} else {
-			$classic_action = __( 'The Classic Editor is activated' );
-			$classic_url = wp_nonce_url( self_admin_url( 'plugins.php?action=activate&plugin=classic-editor/classic-editor.php&from=try-gutenberg' ), 'activate-plugin_classic-editor/classic-editor.php' );;
-			$classic_classes = ' button-disabled install-now updated-message';
-		}
-	}
-
-	if ( current_user_can( 'edit_posts' ) && is_plugin_active( 'gutenberg/gutenberg.php' ) ) {
-		$action = __( 'Try Gutenberg' );
-		$url = admin_url( 'admin.php?page=gutenberg' );
-	}
-
-	?>
-	<div class="try-gutenberg-panel-content">
-		<h2><?php _e( 'A new, modern publishing experience is coming soon.' ); ?></h2>
-
-		<p class="about-description"><?php _e( "Take your words, media, and layout in new directions with Gutenberg, the WordPress editor we're currently building." ); ?></p>
-
-		<hr />
-
-		<div class="try-gutenberg-panel-column-container">
-			<div class="try-gutenberg-panel-column try-gutenberg-panel-image-column">
-				<picture>
-					<source srcset="about:blank" media="(max-width: 1024px)">
-					<img src="https://s.w.org/images/core/gutenberg-screenshot.png?<?php echo date( 'Ymd' ); ?>" alt="<?php esc_attr_e( 'Screenshot from the Gutenberg interface' ); ?>" />
-				</picture>
-			</div>
-			<div class="try-gutenberg-panel-column plugin-card-gutenberg">
-
-				<div>
-					<h3><?php _e( 'Test the new editor today.' ); ?></h3>
-
-					<p>
-						<?php _e( "You can take Gutenberg for a spin (and share your feedback, if you’d like) before we officially release it, by installing it as a plugin." ); ?>
-						<?php
-							printf(
-								/* translators: 1: Gutenberg call for testing handbook link, 2: Gutenberg GitHub repository issues link, 3: Gutenberg GitHub repository CONTRIBUTING.md link */
-								__( 'You can help by <a href="%1$s">testing</a>, <a href="%2$s">filing bugs</a>, or contributing on the <a href="%3$s">GitHub repository</a>.' ),
-								'https://make.wordpress.org/test/handbook/call-for-testing/gutenberg-testing/',
-								'https://github.com/WordPress/gutenberg/issues',
-								'https://github.com/WordPress/gutenberg/blob/master/CONTRIBUTING.md'
-							);
-						?>
-					</p>
-				</div>
-
-				<div class="try-gutenberg-action">
-					<?php if ( $action ) { ?>
-						<p><a class="button button-primary button-hero<?php echo $classes; ?>" href="<?php echo esc_url( $url ); ?>" data-name="<?php esc_attr_e( 'Gutenberg' ); ?>" data-slug="gutenberg"><?php echo $action; ?></a></p>
-					<?php } ?>
-
-					<p>
-						<?php
-							$learnmore = sprintf(
-								/* translators: Link to https://wordpress.org/gutenberg/ */
-								__( '<a href="%s">Learn more about Gutenberg</a>' ),
-								__( 'https://wordpress.org/gutenberg/' )
-							);
-
-							/**
-							 * Filters the "Learn more" link in the Try Gutenberg panel.
-							 *
-							 * It allows hosts or site owners to change the link, to provide extra
-							 * information about Gutenberg, specific to their service.
-							 *
-							 * WARNING: This filter will only exist in the 4.9.x series, it will not be
-							 * added to WordPress 5.0 and later.
-							 *
-							 * @since 4.9.8
-							 */
-							echo apply_filters( 'try_gutenberg_learn_more_link', $learnmore );
-						?>
-					</p>
-				</div>
-			</div>
-
-			<div class="try-gutenberg-panel-column plugin-card-classic-editor">
-
-				<div>
-					<h3><?php _e( 'Not quite ready?' ); ?></h3>
-
-					<p>
-						<?php _e( 'The new editor will be enabled by default in the next major release of WordPress. If you’re not sure how compatible your current themes and plugins are, we’ve got you covered.' ); ?>
-						<?php
-							printf(
-								/* translators: Link to the Classic Editor plugin page */
-								__( 'Install the <a href="%s">Classic Editor plugin</a> to keep using the current editor until you’re ready to make the switch.' ),
-								__( 'https://wordpress.org/plugins/classic-editor' )
-							);
-						?>
-					</p>
-				</div>
-
-				<?php if ( $classic_action ) { ?>
-					<div class="try-gutenberg-action">
-						<p><a class="button button-secondary button-hero<?php echo $classic_classes; ?>" href="<?php echo esc_url( $classic_url ); ?>" data-name="<?php esc_attr_e( 'Classic Editor' ); ?>" data-slug="classic-editor"><?php echo $classic_action; ?></a></p>
-					</div>
-				<?php } ?>
-			</div>
-		</div>
-	</div>
-	<?php
-}
diff -Naur wordpress/wp-admin/index.php wordpress/wp-admin/index.php
--- wordpress/wp-admin/index.php	2018-10-08 10:17:27.797374000 +0530
+++ wordpress/wp-admin/index.php	2018-10-08 12:17:26.916990206 +0530
@@ -103,32 +103,6 @@
 <div class="wrap">
 	<h1><?php echo esc_html( $title ); ?></h1>
 
-<?php if ( has_action( 'try_gutenberg_panel' ) ) :
-	$classes = 'try-gutenberg-panel';
-
-	$option = get_user_meta( get_current_user_id(), 'show_try_gutenberg_panel', true );
-	// 0 = hide, 1 = toggled to show or single site creator, 2 = multisite site owner
-	$hide = '0' === $option || ( '2' === $option && wp_get_current_user()->user_email !== get_option( 'admin_email' ) );
-	if ( $hide )
-		$classes .= ' hidden'; ?>
-
-	<div id="try-gutenberg-panel" class="<?php echo esc_attr( $classes ); ?>">
-		<?php wp_nonce_field( 'try-gutenberg-panel-nonce', 'trygutenbergpanelnonce', false ); ?>
-		<a class="try-gutenberg-panel-close" href="<?php echo esc_url( admin_url( '?try_gutenberg=0' ) ); ?>" aria-label="<?php esc_attr_e( 'Dismiss the Try Gutenberg panel' ); ?>"><?php _e( 'Dismiss' ); ?></a>
-		<?php
-		/**
-		 * Add content to the Try Gutenberg panel on the admin dashboard.
-		 *
-		 * To remove the Try Gutenberg panel, use remove_action():
-		 *
-		 *     remove_action( 'try_gutenberg_panel', 'wp_try_gutenberg_panel' );
-		 *
-		 * @since 4.9.8
-		 */
-		do_action( 'try_gutenberg_panel' );
-		?>
-	</div>
-<?php endif; ?>
 <?php if ( has_action( 'welcome_panel' ) && current_user_can( 'edit_theme_options' ) ) :
 	$classes = 'welcome-panel';
 
diff -Naur wordpress/wp-admin/js/dashboard.js wordpress/wp-admin/js/dashboard.js
--- wordpress/wp-admin/js/dashboard.js	2018-08-13 14:12:22.749902000 +0530
+++ wordpress/wp-admin/js/dashboard.js	2018-10-08 12:18:10.761568288 +0530
@@ -31,49 +31,6 @@
 		updateWelcomePanel( this.checked ? 1 : 0 );
 	});
 
-	var tryGutenbergPanel = $( '#try-gutenberg-panel' ),
-		tryGutenbergPanelHide = $('#wp_try_gutenberg_panel-hide'),
-		updateTryGutenbergPanel, installGutenbergSuccess;
-
-	updateTryGutenbergPanel = function( visible ) {
-		$.post( ajaxurl, {
-			action: 'update-try-gutenberg-panel',
-			visible: visible,
-			trygutenbergpanelnonce: $( '#trygutenbergpanelnonce' ).val()
-		});
-	};
-
-	installGutenbergSuccess = function( response ) {
-		response.activateUrl += '&from=try-gutenberg';
-		response.activateLabel = wp.updates.l10n.activatePluginLabel.replace( '%s', response.pluginName );
-		wp.updates.installPluginSuccess( response );
-	};
-
-	if ( tryGutenbergPanel.hasClass( 'hidden' ) && tryGutenbergPanelHide.prop( 'checked' ) ) {
-		tryGutenbergPanel.removeClass( 'hidden' );
-	}
-
-	$( '.try-gutenberg-panel-close, .try-gutenberg-panel-dismiss a', tryGutenbergPanel ).click( function( e ) {
-		e.preventDefault();
-		tryGutenbergPanel.addClass( 'hidden' );
-		updateTryGutenbergPanel( 0 );
-		$('#wp_try_gutenberg_panel-hide').prop( 'checked', false );
-	});
-
-	tryGutenbergPanelHide.click( function() {
-		tryGutenbergPanel.toggleClass( 'hidden', ! this.checked );
-		updateTryGutenbergPanel( this.checked ? 1 : 0 );
-	});
-
-	tryGutenbergPanel.on( 'click', '.install-now', function( e ) {
-		e.preventDefault();
-		var args = {
-			slug: $( e.target ).data( 'slug' ),
-			success: installGutenbergSuccess
-		};
-		wp.updates.installPlugin( args );
-	} );
-
 	// These widgets are sometimes populated via ajax
 	ajaxWidgets = ['dashboard_primary'];
 
diff -Naur wordpress/wp-admin/plugins.php wordpress/wp-admin/plugins.php
--- wordpress/wp-admin/plugins.php	2018-08-13 14:12:22.749902000 +0530
+++ wordpress/wp-admin/plugins.php	2018-10-08 12:18:41.105979407 +0530
@@ -65,12 +65,6 @@
 				wp_redirect( self_admin_url("import.php?import=" . str_replace('-importer', '', dirname($plugin))) ); // overrides the ?error=true one above and redirects to the Imports page, stripping the -importer suffix
 			} else if ( isset($_GET['from']) && 'press-this' == $_GET['from'] ) {
 				wp_redirect( self_admin_url( "press-this.php") );
-			} else if ( isset( $_GET['from'] ) && 'try-gutenberg' == $_GET['from'] ) {
-				if ( 'gutenberg/gutenberg.php' === $plugin ) {
-					wp_redirect( self_admin_url( "admin.php?page=gutenberg" ) );
-				} else {
-					wp_redirect( self_admin_url() );
-				}
 			} else {
 				wp_redirect( self_admin_url("plugins.php?activate=true&plugin_status=$status&paged=$page&s=$s") ); // overrides the ?error=true one above
 			}
diff -Naur wordpress/wp-includes/default-filters.php wordpress/wp-includes/default-filters.php
--- wordpress/wp-includes/default-filters.php	2018-08-13 14:12:22.813902000 +0530
+++ wordpress/wp-includes/default-filters.php	2018-10-08 12:19:11.650401751 +0530
@@ -318,7 +318,6 @@
 add_action( 'transition_post_status',     '_update_term_count_on_transition_post_status', 10, 3 );
 add_action( 'comment_form',               'wp_comment_form_unfiltered_html_nonce'          );
 add_action( 'admin_init',                 'send_frame_options_header',               10, 0 );
-add_action( 'try_gutenberg_panel',        'wp_try_gutenberg_panel'                         );
 add_action( 'welcome_panel',              'wp_welcome_panel'                               );
 
 // Privacy
