diff --git a/RELEASE-NOTES-1.35 b/RELEASE-NOTES-1.35
index f2211059e0a..c134e1f6369 100644
--- a/RELEASE-NOTES-1.35
+++ b/RELEASE-NOTES-1.35
@@ -490,6 +490,7 @@ because of Phabricator reports.
   This was deprecated in 1.25.
 * The ArticleAfterFetchContentObject hook, deprecated in 1.32, was removed.
   Use ArticleRevisionViewCustom to control output.
+* DatabaseBlock::isValid, deprecated in 1.33, was removed.
 * HTMLUserTextField and HTMLUsersMultiselectField previously implied
   required=true when exists=true. Form fields that use exists=true should also
   set required=true if they are required.
diff --git a/includes/block/DatabaseBlock.php b/includes/block/DatabaseBlock.php
index 6b864ec1c9b..81ab4d7cff5 100644
--- a/includes/block/DatabaseBlock.php
+++ b/includes/block/DatabaseBlock.php
@@ -933,17 +933,6 @@ class DatabaseBlock extends AbstractBlock {
 		}
 	}
 
-	/**
-	 * Is the block address valid (i.e. not a null string?)
-	 *
-	 * @deprecated since 1.33 No longer needed in core.
-	 * @return bool
-	 */
-	public function isValid() {
-		wfDeprecated( __METHOD__, '1.33' );
-		return $this->getTarget() != null;
-	}
-
 	/**
 	 * Update the timestamp on autoblocks.
 	 */