diff --git a/java/com/google/gerrit/server/CommentsUtil.java b/java/com/google/gerrit/server/CommentsUtil.java
index ba9f6d6..3d3603f 100644
--- a/java/com/google/gerrit/server/CommentsUtil.java
+++ b/java/com/google/gerrit/server/CommentsUtil.java
@@ -450,10 +450,6 @@
   /**
    * Get NoteDb draft refs for a change.
    *
-   * <p>This is just a simple ref scan, so the results may potentially include refs for zombie draft
-   * comments. A zombie draft is one which has been published but the write to delete the draft ref
-   * from All-Users failed.
-   *
    * @param changeId change ID.
    * @return raw refs from All-Users repo.
    */
diff --git a/java/com/google/gerrit/server/notedb/ChangeNotes.java b/java/com/google/gerrit/server/notedb/ChangeNotes.java
index 2d9b014..f2034af 100644
--- a/java/com/google/gerrit/server/notedb/ChangeNotes.java
+++ b/java/com/google/gerrit/server/notedb/ChangeNotes.java
@@ -32,7 +32,6 @@
 import com.google.common.collect.ListMultimap;
 import com.google.common.collect.Lists;
 import com.google.common.collect.MultimapBuilder;
-import com.google.common.collect.Multimaps;
 import com.google.common.collect.Ordering;
 import com.google.common.collect.Sets;
 import com.google.common.collect.Sets.SetView;
@@ -523,12 +522,7 @@
   public ImmutableListMultimap<ObjectId, HumanComment> getDraftComments(
       Account.Id author, @Nullable Ref ref) {
     loadDraftComments(author, ref);
-    // Filter out any zombie draft comments. These are drafts that are also in
-    // the published map, and arise when the update to All-Users to delete them
-    // during the publish operation failed.
-    return ImmutableListMultimap.copyOf(
-        Multimaps.filterEntries(
-            draftCommentNotes.getComments(), e -> !getCommentKeys().contains(e.getValue().key)));
+    return draftCommentNotes.getComments();
   }
 
   public ImmutableListMultimap<ObjectId, RobotComment> getRobotComments() {
diff --git a/java/com/google/gerrit/server/query/change/ChangeData.java b/java/com/google/gerrit/server/query/change/ChangeData.java
index 6c74301..c551cd2 100644
--- a/java/com/google/gerrit/server/query/change/ChangeData.java
+++ b/java/com/google/gerrit/server/query/change/ChangeData.java
@@ -1347,14 +1347,7 @@
       draftsByUser = new HashMap<>();
       for (Ref ref : commentsUtil.getDraftRefs(notes().getChangeId())) {
         Account.Id account = Account.Id.fromRefSuffix(ref.getName());
-        if (account != null
-            // Double-check that any drafts exist for this user after
-            // filtering out zombies. If some but not all drafts in the ref
-            // were zombies, the returned Ref still includes those zombies;
-            // this is suboptimal, but is ok for the purposes of
-            // draftsByUser(), and easier than trying to rebuild the change at
-            // this point.
-            && !notes().getDraftComments(account, ref).isEmpty()) {
+        if (account != null) {
           draftsByUser.put(account, ref.getObjectId());
         }
       }
diff --git a/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java b/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java
index c524c94..4e7b3f3 100644
--- a/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java
+++ b/javatests/com/google/gerrit/server/notedb/ChangeNotesTest.java
@@ -76,8 +76,6 @@
 import org.junit.Test;
 
 public class ChangeNotesTest extends AbstractChangeNotesTest {
-  @Inject private DraftCommentNotes.Factory draftNotesFactory;
-
   @Inject private ChangeNoteJson changeNoteJson;
 
   @Test
@@ -2980,86 +2978,6 @@
   }
 
   @Test
-  public void filterOutAndFixUpZombieDraftComments() throws Exception {
-    Change c = newChange();
-    ObjectId commitId1 = ObjectId.fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
-    CommentRange range = new CommentRange(1, 1, 2, 1);
-    PatchSet.Id ps1 = c.currentPatchSetId();
-    short side = (short) 1;
-
-    ChangeUpdate update = newUpdate(c, otherUser);
-    Timestamp now = TimeUtil.nowTs();
-    HumanComment comment1 =
-        newComment(
-            ps1,
-            "file1",
-            "uuid1",
-            range,
-            range.getEndLine(),
-            otherUser,
-            null,
-            now,
-            "comment on ps1",
-            side,
-            commitId1,
-            false);
-    HumanComment comment2 =
-        newComment(
-            ps1,
-            "file2",
-            "uuid2",
-            range,
-            range.getEndLine(),
-            otherUser,
-            null,
-            now,
-            "another comment",
-            side,
-            commitId1,
-            false);
-    update.putComment(HumanComment.Status.DRAFT, comment1);
-    update.putComment(HumanComment.Status.DRAFT, comment2);
-    update.commit();
-
-    String refName = refsDraftComments(c.getId(), otherUserId);
-    ObjectId oldDraftId = exactRefAllUsers(refName);
-
-    update = newUpdate(c, otherUser);
-    update.setPatchSetId(ps1);
-    update.putComment(HumanComment.Status.PUBLISHED, comment2);
-    update.commit();
-    assertThat(exactRefAllUsers(refName)).isNotNull();
-    assertThat(exactRefAllUsers(refName)).isNotEqualTo(oldDraftId);
-
-    // Re-add draft version of comment2 back to draft ref without updating
-    // change ref. Simulates the case where deleting the draft failed
-    // non-atomically after adding the published comment succeeded.
-    ChangeDraftUpdate draftUpdate = newUpdate(c, otherUser).createDraftUpdateIfNull();
-    draftUpdate.putComment(comment2);
-    try (NoteDbUpdateManager manager = updateManagerFactory.create(c.getProject())) {
-      manager.add(draftUpdate);
-      manager.execute();
-    }
-
-    // Looking at drafts directly shows the zombie comment.
-    DraftCommentNotes draftNotes = draftNotesFactory.create(c.getId(), otherUserId);
-    assertThat(draftNotes.load().getComments().get(commitId1)).containsExactly(comment1, comment2);
-
-    // Zombie comment is filtered out of drafts via ChangeNotes.
-    ChangeNotes notes = newNotes(c);
-    assertThat(notes.getDraftComments(otherUserId).get(commitId1)).containsExactly(comment1);
-    assertThat(notes.getHumanComments().get(commitId1)).containsExactly(comment2);
-
-    update = newUpdate(c, otherUser);
-    update.setPatchSetId(ps1);
-    update.putComment(HumanComment.Status.PUBLISHED, comment1);
-    update.commit();
-
-    // Updating an unrelated comment causes the zombie comment to get fixed up.
-    assertThat(exactRefAllUsers(refName)).isNull();
-  }
-
-  @Test
   public void updateCommentsInSequentialUpdates() throws Exception {
     Change c = newChange();
     CommentRange range = new CommentRange(1, 1, 2, 1);
diff --git a/javatests/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java b/javatests/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
index 9ebee9c..2663853 100644
--- a/javatests/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
+++ b/javatests/com/google/gerrit/server/query/change/AbstractQueryChangesTest.java
@@ -69,7 +69,6 @@
 import com.google.gerrit.extensions.api.changes.DraftInput;
 import com.google.gerrit.extensions.api.changes.HashtagsInput;
 import com.google.gerrit.extensions.api.changes.ReviewInput;
-import com.google.gerrit.extensions.api.changes.ReviewInput.DraftHandling;
 import com.google.gerrit.extensions.api.changes.ReviewerInput;
 import com.google.gerrit.extensions.api.groups.GroupInput;
 import com.google.gerrit.extensions.api.projects.ConfigInput;
@@ -2334,44 +2333,6 @@
   }
 
   @Test
-  public void byHasDraftExcludesZombieDrafts() throws Exception {
-    Project.NameKey project = Project.nameKey("repo");
-    TestRepository<Repo> repo = createProject(project.get());
-    Change change = insert(repo, newChange(repo));
-    Change.Id id = change.getId();
-
-    DraftInput in = new DraftInput();
-    in.line = 1;
-    in.message = "nit: trailing whitespace";
-    in.path = Patch.COMMIT_MSG;
-    gApi.changes().id(id.get()).current().createDraft(in);
-
-    assertQuery("has:draft", change);
-    assertQuery("commentby:" + userId);
-
-    try (TestRepository<Repo> allUsers =
-        new TestRepository<>(repoManager.openRepository(allUsersName))) {
-      Ref draftsRef = allUsers.getRepository().exactRef(RefNames.refsDraftComments(id, userId));
-      assertThat(draftsRef).isNotNull();
-
-      ReviewInput rin = ReviewInput.dislike();
-      rin.drafts = DraftHandling.PUBLISH_ALL_REVISIONS;
-      gApi.changes().id(id.get()).current().review(rin);
-
-      assertQuery("has:draft");
-      assertQuery("commentby:" + userId, change);
-      assertThat(allUsers.getRepository().exactRef(draftsRef.getName())).isNull();
-
-      // Re-add drafts ref and ensure it gets filtered out during indexing.
-      allUsers.update(draftsRef.getName(), draftsRef.getObjectId());
-      assertThat(allUsers.getRepository().exactRef(draftsRef.getName())).isNotNull();
-    }
-
-    indexer.index(project, id);
-    assertQuery("has:draft");
-  }
-
-  @Test
   public void byStarredBy() throws Exception {
     TestRepository<Repo> repo = createProject("repo");
     Change change1 = insert(repo, newChange(repo));