diff --git a/projects/plugins/jetpack/.phan/baseline.php b/projects/plugins/jetpack/.phan/baseline.php
index bd0a0bf496b72..f951297a6a338 100644
--- a/projects/plugins/jetpack/.phan/baseline.php
+++ b/projects/plugins/jetpack/.phan/baseline.php
@@ -15,7 +15,7 @@
     // PhanTypeMismatchArgumentProbablyReal : 200+ occurrences
     // PhanTypeMismatchReturn : 150+ occurrences
     // PhanTypeMismatchReturnProbablyReal : 130+ occurrences
-    // PhanDeprecatedFunction : 120+ occurrences
+    // PhanDeprecatedFunction : 110+ occurrences
     // PhanTypePossiblyInvalidDimOffset : 95+ occurrences
     // PhanRedundantCondition : 70+ occurrences
     // PhanPossiblyUndeclaredVariable : 60+ occurrences
@@ -51,10 +51,10 @@
     // PhanUndeclaredFunction : 10+ occurrences
     // PhanTypeComparisonToArray : 9 occurrences
     // PhanPluginRedundantAssignment : 8 occurrences
-    // PhanDeprecatedClass : 7 occurrences
     // PhanTypeInvalidLeftOperandOfNumericOp : 7 occurrences
     // PhanTypeMismatchArgumentInternalReal : 7 occurrences
     // PhanCommentAbstractOnInheritedMethod : 6 occurrences
+    // PhanDeprecatedClass : 5 occurrences
     // PhanImpossibleCondition : 5 occurrences
     // PhanNonClassMethodCall : 5 occurrences
     // PhanRedefinedClassReference : 5 occurrences
@@ -74,7 +74,6 @@
     // PhanTypeConversionFromArray : 3 occurrences
     // PhanTypeMismatchArgumentReal : 3 occurrences
     // PhanTypeObjectUnsetDeclaredProperty : 3 occurrences
-    // PhanUndeclaredConstant : 3 occurrences
     // PhanUndeclaredMethodInCallable : 3 occurrences
     // PhanCompatibleNegativeStringOffset : 2 occurrences
     // PhanImpossibleConditionInLoop : 2 occurrences
@@ -96,6 +95,7 @@
     // PhanTypeComparisonFromArray : 1 occurrence
     // PhanTypeInvalidRightOperandOfNumericOp : 1 occurrence
     // PhanTypeVoidArgument : 1 occurrence
+    // PhanUndeclaredConstant : 1 occurrence
     // PhanUndeclaredExtendedClass : 1 occurrence
     // PhanUndeclaredTypeReturnType : 1 occurrence
 
@@ -364,7 +364,6 @@
         'modules/seo-tools.php' => ['PhanNoopNew'],
         'modules/seo-tools/class-jetpack-seo.php' => ['PhanPluginDuplicateConditionalNullCoalescing'],
         'modules/sharedaddy/recaptcha.php' => ['PhanPluginDuplicateExpressionAssignmentOperation'],
-        'modules/sharedaddy/sharedaddy.php' => ['PhanDeprecatedClass', 'PhanDeprecatedFunction', 'PhanTypeMismatchReturnProbablyReal', 'PhanUndeclaredConstant'],
         'modules/sharedaddy/sharing-service.php' => ['PhanPluginDuplicateConditionalNullCoalescing', 'PhanTypeArraySuspicious', 'PhanTypeMismatchArgument', 'PhanTypeMismatchProperty', 'PhanTypeMismatchPropertyDefault', 'PhanTypeMismatchPropertyProbablyReal', 'PhanTypePossiblyInvalidDimOffset', 'PhanUndeclaredFunction'],
         'modules/sharedaddy/sharing-sources.php' => ['PhanParamSignatureMismatch', 'PhanTypeMismatchArgumentInternal', 'PhanTypeMismatchProperty', 'PhanTypeSuspiciousNonTraversableForeach'],
         'modules/sharedaddy/sharing.php' => ['PhanRedundantCondition', 'PhanTypeMismatchArgument', 'PhanTypeMismatchArgumentProbablyReal', 'PhanTypePossiblyInvalidDimOffset'],
diff --git a/projects/plugins/jetpack/changelog/remove-deprecated-sharedaddy-functions b/projects/plugins/jetpack/changelog/remove-deprecated-sharedaddy-functions
new file mode 100644
index 0000000000000..6035c051ce360
--- /dev/null
+++ b/projects/plugins/jetpack/changelog/remove-deprecated-sharedaddy-functions
@@ -0,0 +1,4 @@
+Significance: major
+Type: other
+
+Sharing: remove functions that were deprecated in Jetpack 11.0.
diff --git a/projects/plugins/jetpack/modules/sharedaddy/sharedaddy.php b/projects/plugins/jetpack/modules/sharedaddy/sharedaddy.php
index 36b8727b2c07c..8e0e1a63b05d1 100644
--- a/projects/plugins/jetpack/modules/sharedaddy/sharedaddy.php
+++ b/projects/plugins/jetpack/modules/sharedaddy/sharedaddy.php
@@ -9,155 +9,6 @@
 // Set up Sharing in wp-admin.
 require_once plugin_dir_path( __FILE__ ) . 'sharing.php';
 
-/**
- * Send an email via the Email sharing button.
- *
- * @param array $data Array of information about the shared message.
- *
- * @return void
- *
- * @deprecated 11.0
- */
-function sharing_email_send_post( $data ) {
-
-	$content = sharing_email_send_post_content( $data );
-	// Borrowed from wp_mail();
-
-	if ( empty( $_SERVER['SERVER_NAME'] ) ) {
-		return;
-	}
-
-	$sitename = strtolower( sanitize_text_field( wp_unslash( $_SERVER['SERVER_NAME'] ) ) );
-	if ( str_starts_with( $sitename, 'www.' ) ) {
-		$sitename = substr( $sitename, 4 );
-	}
-
-	/** This filter is documented in core/src/wp-includes/pluggable.php */
-	$from_email = apply_filters( 'wp_mail_from', 'wordpress@' . $sitename );
-
-	if ( ! empty( $data['name'] ) ) {
-		$s_name                    = (string) $data['name'];
-		$name_needs_encoding_regex =
-			'/[' .
-				// SpamAssasin's list of characters which "need MIME" encoding
-				'\x00-\x08\x0b\x0c\x0e-\x1f\x7f-\xff' .
-				// Our list of "unsafe" characters
-				'<\r\n' .
-			']/';
-
-		$needs_encoding =
-			// If it contains any blocked chars.
-			preg_match( $name_needs_encoding_regex, $s_name ) ||
-			// Or if we can't use `mb_convert_encoding`
-			! function_exists( 'mb_convert_encoding' ) ||
-			// Or if it's not already ASCII
-			mb_convert_encoding( $data['name'], 'ASCII' ) !== $s_name;
-
-		if ( $needs_encoding ) {
-			$data['name'] = sprintf( '=?UTF-8?B?%s?=', base64_encode( $data['name'] ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
-		}
-	}
-
-	$headers   = array();
-	$headers[] = sprintf( 'From: %1$s <%2$s>', $data['name'], $from_email );
-	$headers[] = sprintf( 'Reply-To: %1$s <%2$s>', $data['name'], $data['source'] );
-
-	// Make sure to pass the title through the normal sharing filters.
-	$title = $data['sharing_source']->get_share_title( $data['post']->ID );
-
-	/**
-	 * Filter the Sharing Email Send Post Subject.
-	 *
-	 * @module sharedaddy
-	 *
-	 * @since 5.8.0
-	 *
-	 * @param string $var Sharing Email Send Post Subject. Default is "Shared Post".
-	 */
-	$subject = apply_filters( 'wp_sharing_email_send_post_subject', '[' . __( 'Shared Post', 'jetpack' ) . '] ' . $title );
-
-	wp_mail( $data['target'], $subject, $content, $headers );
-}
-
-/**
- * Checks for spam using Akismet if available.
- * Return $data as it if email about to be send out is not spam.
- *
- * @param array $data Array of information about the shared message.
- *
- * @return array $data
- *
- * @deprecated 11.0
- */
-function sharing_email_check_for_spam_via_akismet( $data ) {
-
-	if ( ! Jetpack::is_akismet_active() ) {
-		return $data;
-	}
-
-	// Prepare the body_request for akismet
-	$body_request = array(
-		'blog'                 => get_option( 'home' ),
-		'permalink'            => $data['sharing_source']->get_share_url( $data['post']->ID ),
-		'comment_type'         => 'share',
-		'comment_author'       => $data['name'],
-		'comment_author_email' => $data['source'],
-		'comment_content'      => sharing_email_send_post_content( $data ),
-		'user_agent'           => ( isset( $_SERVER['HTTP_USER_AGENT'] )
-			? filter_var( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) )
-			: null
-		),
-	);
-
-	if ( method_exists( 'Akismet', 'http_post' ) ) {
-		$body_request['user_ip'] = Akismet::get_ip_address();
-		$response                = Akismet::http_post( build_query( $body_request ), 'comment-check' );
-	} else {
-		global $akismet_api_host, $akismet_api_port;
-		$body_request['user_ip'] = ( isset( $_SERVER['REMOTE_ADDR'] )
-			? filter_var( wp_unslash( $_SERVER['REMOTE_ADDR'] ) )
-			: null
-		);
-		$response                = akismet_http_post( build_query( $body_request ), $akismet_api_host, '/1.1/comment-check', $akismet_api_port );
-	}
-
-	/*
-	 * The Response is spam lets not send the email.
-	 * 'true' is spam
-	 */
-	if (
-		! empty( $response )
-		&& isset( $response[1] )
-		&& 'true' == trim( $response[1] ) // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual -- response comes from the Akismet API.
-	) {
-		return false; // don't send the email
-	}
-	return $data;
-}
-
-/**
- * Content of the emails sent to the target email address.
- *
- * @param array $data Array of information about the shared message.
- *
- * @return string $content
- *
- * @deprecated 11.0
- */
-function sharing_email_send_post_content( $data ) {
-	$content = sprintf(
-		/* translators: included in email when post is shared via email. First item is sender's name. Second is sender's email address. */
-		__( '%1$s (%2$s) thinks you may be interested in the following post:', 'jetpack' ),
-		$data['name'],
-		$data['source']
-	);
-	$content .= "\n\n";
-	// Make sure to pass the title and URL through the normal sharing filters.
-	$content .= $data['sharing_source']->get_share_title( $data['post']->ID ) . "\n";
-	$content .= $data['sharing_source']->get_share_url( $data['post']->ID ) . "\n";
-	return $content;
-}
-
 /**
  * Add a meta box to the post editing screen for sharing.
  *
@@ -368,90 +219,6 @@ function sharing_global_resources_save() {
 	update_option( 'sharedaddy_disable_resources', isset( $_POST['disable_resources'] ) ? 1 : 0 ); // phpcs:ignore WordPress.Security.NonceVerification.Missing -- nonce handling is handled for all elements at once.
 }
 
-/**
- * Returns the Recaptcha site/public key.
- *
- * Supports legacy RECAPTCHA_PUBLIC_KEY or RECAPTCHA_SITE_KEY.
- *
- * @return string
- *
- * @deprecated 11.0
- */
-function sharing_recaptcha_site_key() {
-	if ( ! defined( 'RECAPTCHA_PUBLIC_KEY' ) && ! defined( 'RECAPTCHA_SITE_KEY' ) ) {
-		return '';
-	}
-
-	if ( defined( 'RECAPTCHA_PUBLIC_KEY' ) && ! defined( 'RECAPTCHA_SITE_KEY' ) ) {
-		define( 'RECAPTCHA_SITE_KEY', RECAPTCHA_PUBLIC_KEY );
-	}
-
-	return RECAPTCHA_SITE_KEY;
-}
-
-/**
- * Returns the Recaptcha private/secret key.
- *
- * Supports legacy RECAPTCHA_PRIVATE_KEY or RECAPTCHA_SECRET_KEY.
- *
- * @return string
- *
- * @deprecated 11.0
- */
-function sharing_recaptcha_secret_key() {
-	if ( ! defined( 'RECAPTCHA_PRIVATE_KEY' ) && ! defined( 'RECAPTCHA_SECRET_KEY' ) ) {
-		return '';
-	}
-
-	if ( defined( 'RECAPTCHA_PRIVATE_KEY' ) && ! defined( 'RECAPTCHA_SECRET_KEY' ) ) {
-		define( 'RECAPTCHA_SECRET_KEY', RECAPTCHA_PRIVATE_KEY );
-	}
-
-	return RECAPTCHA_SECRET_KEY;
-}
-
-/**
- * Contents of a reCAPTCHA box.
- *
- * @return void
- *
- * @deprecated 11.0
- */
-function sharing_email_dialog() {
-	require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php';
-
-	$recaptcha = new Jetpack_ReCaptcha(
-		sharing_recaptcha_site_key(),
-		sharing_recaptcha_secret_key(),
-		array( 'script_lazy' => true )
-	);
-	echo $recaptcha->get_recaptcha_html(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- escaped in method.
-}
-
-/**
- * Short-circuit the email sharing button based on the results of reCAPTCHA.
- *
- * @param bool   $true Should we check if the message isn't spam.
- * @param object $post Post information.
- * @param array  $data Information about the shared message.
- *
- * @deprecated 11.0
- */
-function sharing_email_check( $true, $post, $data ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
-	require_once plugin_dir_path( __FILE__ ) . 'recaptcha.php';
-
-	$recaptcha   = new Jetpack_ReCaptcha( sharing_recaptcha_site_key(), sharing_recaptcha_secret_key(), array( 'script_lazy' => true ) );
-	$response    = ! empty( $_POST['g-recaptcha-response'] ) // phpcs:ignore WordPress.Security.NonceVerification.Missing -- we do not change anything on the site based on that.
-		? filter_var( wp_unslash( $_POST['g-recaptcha-response'] ) ) // phpcs:ignore WordPress.Security.NonceVerification.Missing -- we do not change anything on the site based on that.
-		: '';
-	$remote_addr = ! empty( $_SERVER['REMOTE_ADDR'] )
-		? filter_var( wp_unslash( $_SERVER['REMOTE_ADDR'] ) )
-		: '';
-	$result      = $recaptcha->verify( $response, $remote_addr );
-
-	return ( true === $result );
-}
-
 add_action( 'init', 'sharing_init' );
 add_action( 'add_meta_boxes', 'sharing_add_meta_box' );
 add_action( 'save_post', 'sharing_meta_box_save' );