diff --git a/src/main/java/net/frozenorb/apiv3/model/AccessToken.java b/src/main/java/net/frozenorb/apiv3/model/AccessToken.java
index 8b312d7..6fbf1be 100644
--- a/src/main/java/net/frozenorb/apiv3/model/AccessToken.java
+++ b/src/main/java/net/frozenorb/apiv3/model/AccessToken.java
@@ -3,14 +3,13 @@ package net.frozenorb.apiv3.model;
 import com.google.common.collect.ImmutableList;
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.DeleteResult;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import net.frozenorb.apiv3.APIv3;
 import net.frozenorb.apiv3.actor.ActorType;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import org.bson.Document;
 
@@ -64,12 +63,12 @@ public final class AccessToken {
         accessTokensCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void save(SingleResultCallback<UpdateResult> callback) {
-        accessTokensCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+    public void save(SingleResultCallback<Void> callback) {
+        accessTokensCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
-    public void delete(SingleResultCallback<DeleteResult> callback) {
-        accessTokensCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(callback));
+    public void delete(SingleResultCallback<Void> callback) {
+        accessTokensCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/BannedAsn.java b/src/main/java/net/frozenorb/apiv3/model/BannedAsn.java
index 381e474..4afdd30 100644
--- a/src/main/java/net/frozenorb/apiv3/model/BannedAsn.java
+++ b/src/main/java/net/frozenorb/apiv3/model/BannedAsn.java
@@ -3,13 +3,12 @@ package net.frozenorb.apiv3.model;
 import com.google.common.collect.ImmutableList;
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.DeleteResult;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.Getter;
 import lombok.Setter;
 import net.frozenorb.apiv3.APIv3;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import org.bson.Document;
 
@@ -83,14 +82,14 @@ public final class BannedAsn {
         bannedAsnsCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void save(SingleResultCallback<UpdateResult> callback) {
-        bannedAsnsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+    public void save(SingleResultCallback<Void> callback) {
+        bannedAsnsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
-    public void delete(SingleResultCallback<DeleteResult> callback) {
+    public void delete(SingleResultCallback<Void> callback) {
         bannedAsnCache.remove(this);
         bannedAsnIdCache.remove(id);
-        bannedAsnsCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(callback));
+        bannedAsnsCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/BannedCellCarrier.java b/src/main/java/net/frozenorb/apiv3/model/BannedCellCarrier.java
index 7ab7427..1dde0c8 100644
--- a/src/main/java/net/frozenorb/apiv3/model/BannedCellCarrier.java
+++ b/src/main/java/net/frozenorb/apiv3/model/BannedCellCarrier.java
@@ -4,13 +4,12 @@ package net.frozenorb.apiv3.model;
 import com.google.common.collect.ImmutableList;
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.DeleteResult;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.Getter;
 import lombok.Setter;
 import net.frozenorb.apiv3.APIv3;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import org.bson.Document;
 
@@ -84,14 +83,14 @@ public final class BannedCellCarrier {
         bannedCellCarriersCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void save(SingleResultCallback<UpdateResult> callback) {
-        bannedCellCarriersCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+    public void save(SingleResultCallback<Void> callback) {
+        bannedCellCarriersCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
-    public void delete(SingleResultCallback<DeleteResult> callback) {
+    public void delete(SingleResultCallback<Void> callback) {
         bannedCellCarrierCache.remove(this);
         bannedCellCarrierIdCache.remove(id);
-        bannedCellCarriersCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(callback));
+        bannedCellCarriersCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/Grant.java b/src/main/java/net/frozenorb/apiv3/model/Grant.java
index 9ba66f2..8985aab 100644
--- a/src/main/java/net/frozenorb/apiv3/model/Grant.java
+++ b/src/main/java/net/frozenorb/apiv3/model/Grant.java
@@ -3,12 +3,12 @@ package net.frozenorb.apiv3.model;
 import com.google.common.collect.Collections2;
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import net.frozenorb.apiv3.APIv3;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import org.bson.Document;
 import org.bson.types.ObjectId;
@@ -128,12 +128,12 @@ public final class Grant {
         grantsCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void delete(User removedBy, String reason, SingleResultCallback<UpdateResult> callback) {
+    public void delete(User removedBy, String reason, SingleResultCallback<Void> callback) {
         this.removedBy = removedBy.getId();
         this.removedAt = Instant.now();
         this.removalReason = reason;
 
-        grantsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+        grantsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/IpBan.java b/src/main/java/net/frozenorb/apiv3/model/IpBan.java
index 8c1d6c1..7055df1 100644
--- a/src/main/java/net/frozenorb/apiv3/model/IpBan.java
+++ b/src/main/java/net/frozenorb/apiv3/model/IpBan.java
@@ -2,7 +2,6 @@ package net.frozenorb.apiv3.model;
 
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.AllArgsConstructor;
@@ -10,6 +9,7 @@ import lombok.Getter;
 import net.frozenorb.apiv3.APIv3;
 import net.frozenorb.apiv3.actor.Actor;
 import net.frozenorb.apiv3.actor.ActorType;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import net.frozenorb.apiv3.util.TimeUtils;
 import org.bson.Document;
@@ -149,12 +149,12 @@ public final class IpBan {
         ipBansCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void delete(User removedBy, String reason, SingleResultCallback<UpdateResult> callback) {
+    public void delete(User removedBy, String reason, SingleResultCallback<Void> callback) {
         this.removedBy = removedBy.getId();
         this.removedAt = Instant.now();
         this.removalReason = reason;
 
-        ipBansCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+        ipBansCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/IpLogEntry.java b/src/main/java/net/frozenorb/apiv3/model/IpLogEntry.java
index 93dd53e..c80af2b 100644
--- a/src/main/java/net/frozenorb/apiv3/model/IpLogEntry.java
+++ b/src/main/java/net/frozenorb/apiv3/model/IpLogEntry.java
@@ -2,12 +2,12 @@ package net.frozenorb.apiv3.model;
 
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import net.frozenorb.apiv3.APIv3;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import org.bson.Document;
 import org.bson.types.ObjectId;
@@ -78,8 +78,8 @@ public final class IpLogEntry {
         ipLogCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void save(SingleResultCallback<UpdateResult> callback) {
-        ipLogCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+    public void save(SingleResultCallback<Void> callback) {
+        ipLogCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/NotificationTemplate.java b/src/main/java/net/frozenorb/apiv3/model/NotificationTemplate.java
index f471088..27eb982 100644
--- a/src/main/java/net/frozenorb/apiv3/model/NotificationTemplate.java
+++ b/src/main/java/net/frozenorb/apiv3/model/NotificationTemplate.java
@@ -2,12 +2,12 @@ package net.frozenorb.apiv3.model;
 
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.DeleteResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.Getter;
 import lombok.Setter;
 import net.frozenorb.apiv3.APIv3;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import org.bson.Document;
 
@@ -63,8 +63,8 @@ public final class NotificationTemplate {
         notificationTemplatesCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void delete(SingleResultCallback<DeleteResult> callback) {
-        notificationTemplatesCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(callback));
+    public void delete(SingleResultCallback<Void> callback) {
+        notificationTemplatesCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/Punishment.java b/src/main/java/net/frozenorb/apiv3/model/Punishment.java
index 21c774b..ed89bda 100644
--- a/src/main/java/net/frozenorb/apiv3/model/Punishment.java
+++ b/src/main/java/net/frozenorb/apiv3/model/Punishment.java
@@ -2,7 +2,6 @@ package net.frozenorb.apiv3.model;
 
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.AllArgsConstructor;
@@ -10,6 +9,7 @@ import lombok.Getter;
 import net.frozenorb.apiv3.APIv3;
 import net.frozenorb.apiv3.actor.Actor;
 import net.frozenorb.apiv3.actor.ActorType;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import net.frozenorb.apiv3.util.TimeUtils;
 import org.bson.Document;
@@ -152,13 +152,13 @@ public final class Punishment {
         punishmentsCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void delete(User removedBy, String reason, SingleResultCallback<UpdateResult> callback) {
+    public void delete(User removedBy, String reason, SingleResultCallback<Void> callback) {
         this.removedBy = removedBy.getId();
         this.removedAt = Instant.now();
         this.removalReason = reason;
 
         if (linkedIpBanId == null) {
-            punishmentsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+            punishmentsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
             return;
         }
 
@@ -173,11 +173,11 @@ public final class Punishment {
                     if (error2 != null) {
                         callback.onResult(null, error2);
                     } else {
-                        punishmentsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+                        punishmentsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
                     }
                 });
             } else {
-                punishmentsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+                punishmentsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
             }
         });
     }
diff --git a/src/main/java/net/frozenorb/apiv3/model/Rank.java b/src/main/java/net/frozenorb/apiv3/model/Rank.java
index 3625191..8703fd2 100644
--- a/src/main/java/net/frozenorb/apiv3/model/Rank.java
+++ b/src/main/java/net/frozenorb/apiv3/model/Rank.java
@@ -3,11 +3,11 @@ package net.frozenorb.apiv3.model;
 import com.google.common.collect.ImmutableList;
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.DeleteResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.Getter;
 import net.frozenorb.apiv3.APIv3;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import org.bson.Document;
 
@@ -83,10 +83,10 @@ public final class Rank {
         ranksCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void delete(SingleResultCallback<DeleteResult> callback) {
+    public void delete(SingleResultCallback<Void> callback) {
         rankCache.remove(this);
         rankIdCache.remove(id);
-        ranksCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(callback));
+        ranksCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/Server.java b/src/main/java/net/frozenorb/apiv3/model/Server.java
index b9e48dc..143f3a4 100644
--- a/src/main/java/net/frozenorb/apiv3/model/Server.java
+++ b/src/main/java/net/frozenorb/apiv3/model/Server.java
@@ -4,13 +4,12 @@ import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.DeleteResult;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.Getter;
 import net.frozenorb.apiv3.APIv3;
 import net.frozenorb.apiv3.serialization.gson.ExcludeFromReplies;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.SyncUtils;
 import org.bson.Document;
 
@@ -125,14 +124,14 @@ public final class Server {
         serversCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void save(SingleResultCallback<UpdateResult> callback) {
-        serversCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+    public void save(SingleResultCallback<Void> callback) {
+        serversCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
-    public void delete(SingleResultCallback<DeleteResult> callback) {
+    public void delete(SingleResultCallback<Void> callback) {
         serverCache.remove(this);
         serverIdCache.remove(id);
-        serversCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(callback));
+        serversCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/ServerGroup.java b/src/main/java/net/frozenorb/apiv3/model/ServerGroup.java
index 5cbf74b..d350bf2 100644
--- a/src/main/java/net/frozenorb/apiv3/model/ServerGroup.java
+++ b/src/main/java/net/frozenorb/apiv3/model/ServerGroup.java
@@ -3,14 +3,13 @@ package net.frozenorb.apiv3.model;
 import com.google.common.collect.ImmutableList;
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.DeleteResult;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import lombok.Getter;
 import lombok.Setter;
 import net.frozenorb.apiv3.APIv3;
 import net.frozenorb.apiv3.serialization.gson.ExcludeFromReplies;
+import net.frozenorb.apiv3.unsorted.MongoToVoidMongoCallback;
 import net.frozenorb.apiv3.util.PermissionUtils;
 import net.frozenorb.apiv3.util.SyncUtils;
 import org.bson.Document;
@@ -78,14 +77,14 @@ public final class ServerGroup {
         serverGroupsCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void save(SingleResultCallback<UpdateResult> callback) {
-        serverGroupsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+    public void save(SingleResultCallback<Void> callback) {
+        serverGroupsCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
-    public void delete(SingleResultCallback<DeleteResult> callback) {
+    public void delete(SingleResultCallback<Void> callback) {
         serverGroupCache.remove(this);
         serverGroupIdCache.remove(id);
-        serverGroupsCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(callback));
+        serverGroupsCollection.deleteOne(new Document("_id", id), SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/model/User.java b/src/main/java/net/frozenorb/apiv3/model/User.java
index 8eda6de..d33435a 100644
--- a/src/main/java/net/frozenorb/apiv3/model/User.java
+++ b/src/main/java/net/frozenorb/apiv3/model/User.java
@@ -10,7 +10,6 @@ import com.google.common.hash.Hashing;
 import com.google.common.primitives.Ints;
 import com.mongodb.async.SingleResultCallback;
 import com.mongodb.async.client.MongoCollection;
-import com.mongodb.client.result.UpdateResult;
 import fr.javatic.mongo.jacksonCodec.Entity;
 import fr.javatic.mongo.jacksonCodec.objectId.Id;
 import io.vertx.core.CompositeFuture;
@@ -24,10 +23,7 @@ import net.frozenorb.apiv3.maxmind.MaxMindUserType;
 import net.frozenorb.apiv3.serialization.gson.ExcludeFromReplies;
 import net.frozenorb.apiv3.serialization.jackson.UuidJsonDeserializer;
 import net.frozenorb.apiv3.serialization.jackson.UuidJsonSerializer;
-import net.frozenorb.apiv3.unsorted.MongoToVertxCallback;
-import net.frozenorb.apiv3.unsorted.Permissions;
-import net.frozenorb.apiv3.unsorted.RequiresTotpResult;
-import net.frozenorb.apiv3.unsorted.TotpAuthorizationResult;
+import net.frozenorb.apiv3.unsorted.*;
 import net.frozenorb.apiv3.util.*;
 import org.bson.Document;
 
@@ -614,8 +610,8 @@ public final class User {
         usersCollection.insertOne(this, SyncUtils.vertxWrap(callback));
     }
 
-    public void save(SingleResultCallback<UpdateResult> callback) {
-        usersCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(callback));
+    public void save(SingleResultCallback<Void> callback) {
+        usersCollection.replaceOne(new Document("_id", id), this, SyncUtils.vertxWrap(new MongoToVoidMongoCallback<>(callback)));
     }
 
 }
\ No newline at end of file
diff --git a/src/main/java/net/frozenorb/apiv3/route/accessTokens/DELETEAccessTokensId.java b/src/main/java/net/frozenorb/apiv3/route/accessTokens/DELETEAccessTokensId.java
index 7ea7edf..c839456 100644
--- a/src/main/java/net/frozenorb/apiv3/route/accessTokens/DELETEAccessTokensId.java
+++ b/src/main/java/net/frozenorb/apiv3/route/accessTokens/DELETEAccessTokensId.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.accessTokens;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.DeleteResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -23,7 +22,8 @@ public final class DELETEAccessTokensId implements Handler<RoutingContext> {
             return;
         }
 
-        SyncUtils.<DeleteResult>runBlocking(v -> accessToken.delete(v));
+        SyncUtils.<Void>runBlocking(v -> accessToken.delete(v));
+
         JsonObject requestBody = ctx.getBodyAsJson();
 
         if (requestBody.containsKey("removedBy")) {
diff --git a/src/main/java/net/frozenorb/apiv3/route/bannedAsns/DELETEBannedAsnsId.java b/src/main/java/net/frozenorb/apiv3/route/bannedAsns/DELETEBannedAsnsId.java
index ac88894..b77f0ed 100644
--- a/src/main/java/net/frozenorb/apiv3/route/bannedAsns/DELETEBannedAsnsId.java
+++ b/src/main/java/net/frozenorb/apiv3/route/bannedAsns/DELETEBannedAsnsId.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.bannedAsns;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.DeleteResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -23,7 +22,7 @@ public final class DELETEBannedAsnsId implements Handler<RoutingContext> {
             return;
         }
 
-        SyncUtils.<DeleteResult>runBlocking(v -> bannedAsn.delete(v));
+        SyncUtils.<Void>runBlocking(v -> bannedAsn.delete(v));
 
         JsonObject requestBody = ctx.getBodyAsJson();
 
diff --git a/src/main/java/net/frozenorb/apiv3/route/bannedCellCarriers/DELETEBannedCellCarriersId.java b/src/main/java/net/frozenorb/apiv3/route/bannedCellCarriers/DELETEBannedCellCarriersId.java
index 5d8d92b..abd14cf 100644
--- a/src/main/java/net/frozenorb/apiv3/route/bannedCellCarriers/DELETEBannedCellCarriersId.java
+++ b/src/main/java/net/frozenorb/apiv3/route/bannedCellCarriers/DELETEBannedCellCarriersId.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.bannedCellCarriers;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.DeleteResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -23,7 +22,7 @@ public final class DELETEBannedCellCarriersId implements Handler<RoutingContext>
             return;
         }
 
-        SyncUtils.<DeleteResult>runBlocking(v -> bannedCellCarrier.delete(v));
+        SyncUtils.<Void>runBlocking(v -> bannedCellCarrier.delete(v));
 
         JsonObject requestBody = ctx.getBodyAsJson();
 
diff --git a/src/main/java/net/frozenorb/apiv3/route/emailTokens/POSTEmailTokensIdConfirm.java b/src/main/java/net/frozenorb/apiv3/route/emailTokens/POSTEmailTokensIdConfirm.java
index 3d9c438..1953d45 100644
--- a/src/main/java/net/frozenorb/apiv3/route/emailTokens/POSTEmailTokensIdConfirm.java
+++ b/src/main/java/net/frozenorb/apiv3/route/emailTokens/POSTEmailTokensIdConfirm.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.emailTokens;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -44,7 +43,7 @@ public final class POSTEmailTokensIdConfirm implements Handler<RoutingContext> {
 
         user.completeEmailRegistration(user.getPendingEmail());
         user.updatePassword(password);
-        SyncUtils.<UpdateResult>runBlocking(v -> user.save(v));
+        SyncUtils.<Void>runBlocking(v -> user.save(v));
 
         AuditLog.log(user.getId(), requestBody.getString("userIp"), ctx, AuditLogActionType.USER_CONFIRM_EMAIL, (ignored, error) -> {
             if (error != null) {
diff --git a/src/main/java/net/frozenorb/apiv3/route/grants/DELETEGrantsId.java b/src/main/java/net/frozenorb/apiv3/route/grants/DELETEGrantsId.java
index 18777bf..5c3aa3c 100644
--- a/src/main/java/net/frozenorb/apiv3/route/grants/DELETEGrantsId.java
+++ b/src/main/java/net/frozenorb/apiv3/route/grants/DELETEGrantsId.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.grants;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -41,7 +40,7 @@ public final class DELETEGrantsId implements Handler<RoutingContext> {
             return;
         }
 
-        SyncUtils.<UpdateResult>runBlocking(v -> grant.delete(removedBy, reason, v));
+        SyncUtils.<Void>runBlocking(v -> grant.delete(removedBy, reason, v));
 
         AuditLog.log(removedBy.getId(), requestBody.getString("removedByIp"), ctx, AuditLogActionType.GRANT_DELETE, ImmutableMap.of("grantId", grant.getId()), (ignored, error) -> {
             if (error != null) {
diff --git a/src/main/java/net/frozenorb/apiv3/route/ipBans/DELETEIpBansId.java b/src/main/java/net/frozenorb/apiv3/route/ipBans/DELETEIpBansId.java
index 906a826..cd4af8a 100644
--- a/src/main/java/net/frozenorb/apiv3/route/ipBans/DELETEIpBansId.java
+++ b/src/main/java/net/frozenorb/apiv3/route/ipBans/DELETEIpBansId.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.ipBans;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -41,7 +40,7 @@ public final class DELETEIpBansId implements Handler<RoutingContext> {
             return;
         }
 
-        SyncUtils.<UpdateResult>runBlocking(v -> ipBan.delete(removedBy, reason, v));
+        SyncUtils.<Void>runBlocking(v -> ipBan.delete(removedBy, reason, v));
 
         AuditLog.log(removedBy.getId(), requestBody.getString("removedByIp"), ctx, AuditLogActionType.IP_BAN_DELETE, ImmutableMap.of("punishmentId", ipBan.getId()), (ignored, error) -> {
             if (error != null) {
diff --git a/src/main/java/net/frozenorb/apiv3/route/notificationTemplates/DELETENotificationTemplatesId.java b/src/main/java/net/frozenorb/apiv3/route/notificationTemplates/DELETENotificationTemplatesId.java
index ebea234..758f847 100644
--- a/src/main/java/net/frozenorb/apiv3/route/notificationTemplates/DELETENotificationTemplatesId.java
+++ b/src/main/java/net/frozenorb/apiv3/route/notificationTemplates/DELETENotificationTemplatesId.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.notificationTemplates;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.DeleteResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -23,7 +22,7 @@ public final class DELETENotificationTemplatesId implements Handler<RoutingConte
             return;
         }
 
-        SyncUtils.<DeleteResult>runBlocking(v -> notificationTemplate.delete(v));
+        SyncUtils.<Void>runBlocking(v -> notificationTemplate.delete(v));
 
         JsonObject requestBody = ctx.getBodyAsJson();
 
diff --git a/src/main/java/net/frozenorb/apiv3/route/punishments/DELETEPunishmentsId.java b/src/main/java/net/frozenorb/apiv3/route/punishments/DELETEPunishmentsId.java
index b67f627..2db9398 100644
--- a/src/main/java/net/frozenorb/apiv3/route/punishments/DELETEPunishmentsId.java
+++ b/src/main/java/net/frozenorb/apiv3/route/punishments/DELETEPunishmentsId.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.punishments;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -41,7 +40,7 @@ public final class DELETEPunishmentsId implements Handler<RoutingContext> {
             return;
         }
 
-        SyncUtils.<UpdateResult>runBlocking(v -> punishment.delete(removedBy, reason, v));
+        SyncUtils.<Void>runBlocking(v -> punishment.delete(removedBy, reason, v));
 
         AuditLog.log(removedBy.getId(), requestBody.getString("removedByIp"), ctx, AuditLogActionType.PUNISHMENT_DELETE, ImmutableMap.of("punishmentId", punishment.getId()), (ignored, error) -> {
             if (error != null) {
diff --git a/src/main/java/net/frozenorb/apiv3/route/punishments/DELETEUsersIdActivePunishment.java b/src/main/java/net/frozenorb/apiv3/route/punishments/DELETEUsersIdActivePunishment.java
index dc73b3a..7a204d2 100644
--- a/src/main/java/net/frozenorb/apiv3/route/punishments/DELETEUsersIdActivePunishment.java
+++ b/src/main/java/net/frozenorb/apiv3/route/punishments/DELETEUsersIdActivePunishment.java
@@ -2,7 +2,6 @@ package net.frozenorb.apiv3.route.punishments;
 
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -58,7 +57,7 @@ public final class DELETEUsersIdActivePunishment implements Handler<RoutingConte
         }
 
         Punishment finalActivePunishment = activePunishment;
-        SyncUtils.<UpdateResult>runBlocking(v -> finalActivePunishment.delete(removedBy, reason, v));
+        SyncUtils.<Void>runBlocking(v -> finalActivePunishment.delete(removedBy, reason, v));
 
         AuditLog.log(removedBy.getId(), requestBody.getString("removedByIp"), ctx, AuditLogActionType.PUNISHMENT_DELETE, ImmutableMap.of("punishmentId", activePunishment.getId()), (ignored, error) -> {
             if (error != null) {
diff --git a/src/main/java/net/frozenorb/apiv3/route/ranks/DELETERanksId.java b/src/main/java/net/frozenorb/apiv3/route/ranks/DELETERanksId.java
index 38df4f3..aaab43e 100644
--- a/src/main/java/net/frozenorb/apiv3/route/ranks/DELETERanksId.java
+++ b/src/main/java/net/frozenorb/apiv3/route/ranks/DELETERanksId.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.ranks;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.DeleteResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -23,7 +22,7 @@ public final class DELETERanksId implements Handler<RoutingContext> {
             return;
         }
 
-        SyncUtils.<DeleteResult>runBlocking(v -> rank.delete(v));
+        SyncUtils.<Void>runBlocking(v -> rank.delete(v));
 
         JsonObject requestBody = ctx.getBodyAsJson();
 
diff --git a/src/main/java/net/frozenorb/apiv3/route/serverGroups/DELETEServerGroupsId.java b/src/main/java/net/frozenorb/apiv3/route/serverGroups/DELETEServerGroupsId.java
index 19375df..c4e9d35 100644
--- a/src/main/java/net/frozenorb/apiv3/route/serverGroups/DELETEServerGroupsId.java
+++ b/src/main/java/net/frozenorb/apiv3/route/serverGroups/DELETEServerGroupsId.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.serverGroups;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.DeleteResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -23,7 +22,7 @@ public final class DELETEServerGroupsId implements Handler<RoutingContext> {
             return;
         }
 
-        SyncUtils.<DeleteResult>runBlocking(v -> serverGroup.delete(v));
+        SyncUtils.<Void>runBlocking(v -> serverGroup.delete(v));
 
         JsonObject requestBody = ctx.getBodyAsJson();
 
diff --git a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdChangePassword.java b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdChangePassword.java
index 3394f22..aac39d5 100644
--- a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdChangePassword.java
+++ b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdChangePassword.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.users;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -71,7 +70,7 @@ public final class POSTUsersIdChangePassword implements Handler<RoutingContext>
         }
 
         user.updatePassword(newPassword);
-        SyncUtils.<UpdateResult>runBlocking(v -> user.save(v));
+        SyncUtils.<Void>runBlocking(v -> user.save(v));
 
         AuditLog.log(user.getId(), requestBody.getString("userIp"), ctx, AuditLogActionType.USER_CHANGE_PASSWORD, (ignored, error) -> {
             if (error != null) {
diff --git a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdConfirmPhone.java b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdConfirmPhone.java
index e867e4c..c232a2a 100644
--- a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdConfirmPhone.java
+++ b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdConfirmPhone.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.users;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -54,14 +53,14 @@ public final class POSTUsersIdConfirmPhone implements Handler<RoutingContext> {
 
         if (!String.valueOf(phoneCode).equals(user.getPendingPhoneToken())) {
             user.failedPhoneRegistration();
-            SyncUtils.<UpdateResult>runBlocking(v -> user.save(v));
+            SyncUtils.<Void>runBlocking(v -> user.save(v));
 
             ErrorUtils.respondOther(ctx, 409, "Phone token doesn't match", "phoneTokenNoMatch", ImmutableMap.of());
             return;
         }
 
         user.completePhoneRegistration(user.getPendingPhone());
-        SyncUtils.<UpdateResult>runBlocking(v -> user.save(v));
+        SyncUtils.<Void>runBlocking(v -> user.save(v));
 
         AuditLog.log(user.getId(), requestBody.getString("userIp"), ctx, AuditLogActionType.USER_CONFIRM_PHONE, (ignored, error) -> {
             if (error != null) {
diff --git a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdLogin.java b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdLogin.java
index bcd6d46..a720afc 100644
--- a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdLogin.java
+++ b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdLogin.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.users;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -69,7 +68,7 @@ public final class POSTUsersIdLogin implements Handler<RoutingContext> {
             ipLogEntry.used();
 
             IpLogEntry finalIpLogEntry = ipLogEntry;
-            SyncUtils.<UpdateResult>runBlocking(v -> finalIpLogEntry.save(v));
+            SyncUtils.<Void>runBlocking(v -> finalIpLogEntry.save(v));
         }
 
         String lastUsername = user.getLastUsername();
diff --git a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdPasswordReset.java b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdPasswordReset.java
index 68f0057..4bc9274 100644
--- a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdPasswordReset.java
+++ b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdPasswordReset.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.users;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -33,7 +32,7 @@ public final class POSTUsersIdPasswordReset implements Handler<RoutingContext> {
         }
 
         user.startPasswordReset();
-        SyncUtils.<UpdateResult>runBlocking(v -> user.save(v));
+        SyncUtils.<Void>runBlocking(v -> user.save(v));
 
         Map<String, Object> replacements = ImmutableMap.of(
                 "username", user.getLastUsername(),
diff --git a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdRegisterEmail.java b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdRegisterEmail.java
index 1e4ccfd..0d1ab5a 100644
--- a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdRegisterEmail.java
+++ b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdRegisterEmail.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.users;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -59,7 +58,7 @@ public final class POSTUsersIdRegisterEmail implements Handler<RoutingContext> {
         }
 
         user.startEmailRegistration(email);
-        SyncUtils.<UpdateResult>runBlocking(v -> user.save(v));
+        SyncUtils.<Void>runBlocking(v -> user.save(v));
 
         Map<String, Object> replacements = ImmutableMap.of(
                 "username", user.getLastUsername(),
diff --git a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdRegisterPhone.java b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdRegisterPhone.java
index d45c078..8335992 100644
--- a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdRegisterPhone.java
+++ b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdRegisterPhone.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.users;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -63,7 +62,7 @@ public final class POSTUsersIdRegisterPhone implements Handler<RoutingContext> {
         }
 
         user.startPhoneRegistration(phone);
-        SyncUtils.<UpdateResult>runBlocking(v -> user.save(v));
+        SyncUtils.<Void>runBlocking(v -> user.save(v));
 
         Map<String, Object> replacements = ImmutableMap.of(
                 "username", user.getLastUsername(),
diff --git a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdSetupTotp.java b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdSetupTotp.java
index 1a48150..bcc160b 100644
--- a/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdSetupTotp.java
+++ b/src/main/java/net/frozenorb/apiv3/route/users/POSTUsersIdSetupTotp.java
@@ -1,7 +1,6 @@
 package net.frozenorb.apiv3.route.users;
 
 import com.google.common.collect.ImmutableMap;
-import com.mongodb.client.result.UpdateResult;
 import io.vertx.core.Handler;
 import io.vertx.core.json.JsonObject;
 import io.vertx.ext.web.RoutingContext;
@@ -34,7 +33,7 @@ public final class POSTUsersIdSetupTotp implements Handler<RoutingContext> {
 
         if (TotpUtils.authorizeUser(secret, totpCode)) {
             user.setTotpSecret(secret);
-            SyncUtils.<UpdateResult>runBlocking(v -> user.save(v));
+            SyncUtils.<Void>runBlocking(v -> user.save(v));
 
             AuditLog.log(user.getId(), requestBody.getString("userIp"), ctx, AuditLogActionType.USER_SETUP_TOTP, (ignored, error) -> {
                 if (error != null) {
diff --git a/src/main/java/net/frozenorb/apiv3/unsorted/MongoToVertxCallback.java b/src/main/java/net/frozenorb/apiv3/unsorted/MongoToVertxCallback.java
index 4e07839..9527a35 100644
--- a/src/main/java/net/frozenorb/apiv3/unsorted/MongoToVertxCallback.java
+++ b/src/main/java/net/frozenorb/apiv3/unsorted/MongoToVertxCallback.java
@@ -3,7 +3,7 @@ package net.frozenorb.apiv3.unsorted;
 import com.mongodb.async.SingleResultCallback;
 import io.vertx.core.Future;
 
-public class MongoToVertxCallback<T> implements SingleResultCallback<T> {
+public final class MongoToVertxCallback<T> implements SingleResultCallback<T> {
 
     private final Future<T> future;
 
diff --git a/src/main/java/net/frozenorb/apiv3/unsorted/MongoToVoidMongoCallback.java b/src/main/java/net/frozenorb/apiv3/unsorted/MongoToVoidMongoCallback.java
new file mode 100644
index 0000000..9b4b65e
--- /dev/null
+++ b/src/main/java/net/frozenorb/apiv3/unsorted/MongoToVoidMongoCallback.java
@@ -0,0 +1,17 @@
+package net.frozenorb.apiv3.unsorted;
+
+import com.mongodb.async.SingleResultCallback;
+
+public final class MongoToVoidMongoCallback<T> implements SingleResultCallback<T> {
+
+	private final SingleResultCallback<Void> wrapped;
+
+	public MongoToVoidMongoCallback(SingleResultCallback<Void> wrapped) {
+		this.wrapped = wrapped;
+	}
+
+	public void onResult(T ignored, Throwable error) {
+		wrapped.onResult(null, error);
+	}
+
+}
\ No newline at end of file