diff --git a/RELEASE-NOTES-1.38 b/RELEASE-NOTES-1.38
index 1865a999919..dbf40fcb749 100644
--- a/RELEASE-NOTES-1.38
+++ b/RELEASE-NOTES-1.38
@@ -146,6 +146,10 @@ because of Phabricator reports.
   should be used instead.
 * SkinTemplate::getPersonalToolsList(), deprecated since 1.35, now emits
   deprecation warnings.
+* The following methods from the User class were hard deprecated:
+   - ::blockedBy
+   - ::getBlockId
+
 * …
 
 === Other changes in 1.38 ===
diff --git a/includes/user/User.php b/includes/user/User.php
index 4ea34e9a587..348646ea7ec 100644
--- a/includes/user/User.php
+++ b/includes/user/User.php
@@ -1972,8 +1972,11 @@ class User implements Authority, UserIdentity, UserEmailContact {
 	/**
 	 * If user is blocked, return the name of the user who placed the block
 	 * @return string Name of blocker
+	 * @deprecated since 1.38
+	 * Hard deprecated since 1.38.
 	 */
 	public function blockedBy() {
+		wfDeprecated( __METHOD__, '1.38' );
 		$this->getBlockedStatus();
 		return $this->mBlockedby;
 	}
@@ -1992,8 +1995,11 @@ class User implements Authority, UserIdentity, UserEmailContact {
 	/**
 	 * If user is blocked, return the ID for the block
 	 * @return int|false
+	 * @deprecated since 1.38
+	 * Hard deprecated since 1.38.
 	 */
 	public function getBlockId() {
+		wfDeprecated( __METHOD__, '1.38' );
 		$this->getBlockedStatus();
 		return ( $this->mBlock ? $this->mBlock->getId() : false );
 	}
diff --git a/tests/phpunit/includes/user/UserTest.php b/tests/phpunit/includes/user/UserTest.php
index 41806ced1c1..ac1e3f12f7f 100644
--- a/tests/phpunit/includes/user/UserTest.php
+++ b/tests/phpunit/includes/user/UserTest.php
@@ -1296,6 +1296,8 @@ class UserTest extends MediaWikiIntegrationTestCase {
 	 * @covers User::isBlockedFrom
 	 */
 	public function testBlockInstanceCache() {
+		$this->hideDeprecated( 'User::blockedBy' );
+		$this->hideDeprecated( 'User::getBlockId' );
 		// First, check the user isn't blocked
 		$user = $this->getMutableTestUser()->getUser();
 		$ut = Title::makeTitle( NS_USER_TALK, $user->getName() );