diff --git a/src/org/thoughtcrime/securesms/ApplicationContext.java b/src/org/thoughtcrime/securesms/ApplicationContext.java
index 45d1ab5832..1a7af8b058 100644
--- a/src/org/thoughtcrime/securesms/ApplicationContext.java
+++ b/src/org/thoughtcrime/securesms/ApplicationContext.java
@@ -66,7 +66,6 @@ import org.thoughtcrime.securesms.logging.PersistentLogger;
 import org.thoughtcrime.securesms.logging.UncaughtExceptionLogger;
 import org.thoughtcrime.securesms.loki.BackgroundPollWorker;
 import org.thoughtcrime.securesms.loki.LokiAPIDatabase;
-import org.thoughtcrime.securesms.loki.LokiMessageSyncEvent;
 import org.thoughtcrime.securesms.loki.LokiPublicChatManager;
 import org.thoughtcrime.securesms.loki.LokiRSSFeedPoller;
 import org.thoughtcrime.securesms.loki.LokiUserDatabase;
@@ -82,7 +81,6 @@ import org.thoughtcrime.securesms.service.LocalBackupListener;
 import org.thoughtcrime.securesms.service.RotateSenderCertificateListener;
 import org.thoughtcrime.securesms.service.RotateSignedPreKeyListener;
 import org.thoughtcrime.securesms.service.UpdateApkRefreshListener;
-import org.thoughtcrime.securesms.sms.MessageSender;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageContextWrapper;
 import org.webrtc.PeerConnectionFactory;
diff --git a/src/org/thoughtcrime/securesms/conversation/ConversationActivity.java b/src/org/thoughtcrime/securesms/conversation/ConversationActivity.java
index bf967f8c03..6e761f90bc 100644
--- a/src/org/thoughtcrime/securesms/conversation/ConversationActivity.java
+++ b/src/org/thoughtcrime/securesms/conversation/ConversationActivity.java
@@ -3050,18 +3050,11 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
     Address contact = DatabaseFactory.getThreadDatabase(this).getRecipientForThreadId(threadId).getAddress();
     String contactPubKey = contact.toString();
-    Context context = this;
-    AsyncTask.execute(() -> {
-      try {
-        MessageSender.sendBackgroundMessageToAllDevices(this, contactPubKey);
-        MessageSender.syncContact(this, contact);
-        DatabaseFactory.getLokiThreadDatabase(context).setFriendRequestStatus(threadId, LokiThreadFriendRequestStatus.FRIENDS);
-        lokiMessageDatabase.setFriendRequestStatus(friendRequest.id, LokiMessageFriendRequestStatus.REQUEST_ACCEPTED);
-        Util.runOnMain(this::updateInputPanel);
-      } catch (Exception e) {
-        Log.d("Loki", "Failed to send background message to: " + contactPubKey + ".");
-      }
-    });
+    DatabaseFactory.getLokiThreadDatabase(this).setFriendRequestStatus(threadId, LokiThreadFriendRequestStatus.FRIENDS);
+    lokiMessageDatabase.setFriendRequestStatus(friendRequest.id, LokiMessageFriendRequestStatus.REQUEST_ACCEPTED);
+    MessageSender.sendBackgroundMessageToAllDevices(this, contactPubKey);
+    MessageSender.syncContact(this, contact);
+    updateInputPanel();
   }
 
   @Override
@@ -3077,7 +3070,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   }
 
   public boolean isNoteToSelf() {
-    return TextSecurePreferences.getLocalNumber(this).equalsIgnoreCase(recipient.getAddress().serialize());
+    return TextSecurePreferences.getLocalNumber(this).equals(recipient.getAddress().serialize());
   }
   // endregion
 }
diff --git a/src/org/thoughtcrime/securesms/jobs/MultiDeviceContactUpdateJob.java b/src/org/thoughtcrime/securesms/jobs/MultiDeviceContactUpdateJob.java
index 656a5718da..6479ef0b64 100644
--- a/src/org/thoughtcrime/securesms/jobs/MultiDeviceContactUpdateJob.java
+++ b/src/org/thoughtcrime/securesms/jobs/MultiDeviceContactUpdateJob.java
@@ -142,7 +142,7 @@ public class MultiDeviceContactUpdateJob extends BaseJob implements InjectableTy
     }
 
     if (address == null) generateFullContactUpdate();
-    else if (!address.equalsIgnoreCase(TextSecurePreferences.getMasterHexEncodedPublicKey(context))) generateSingleContactUpdate(Address.fromSerialized(address));
+    else if (!address.equals(TextSecurePreferences.getMasterHexEncodedPublicKey(context))) generateSingleContactUpdate(Address.fromSerialized(address));
   }
 
   private void generateSingleContactUpdate(@NonNull Address address)
diff --git a/src/org/thoughtcrime/securesms/jobs/PushDecryptJob.java b/src/org/thoughtcrime/securesms/jobs/PushDecryptJob.java
index 5635f4332c..f72f9cf1a5 100644
--- a/src/org/thoughtcrime/securesms/jobs/PushDecryptJob.java
+++ b/src/org/thoughtcrime/securesms/jobs/PushDecryptJob.java
@@ -660,7 +660,7 @@ public class PushDecryptJob extends BaseJob implements InjectableType {
           // Check if we have the contact as a friend and that we're not trying to sync our own device
           String pubKey = deviceContact.getNumber();
           Address address = Address.fromSerialized(pubKey);
-          if (!address.isPhone() || address.toPhoneString().equalsIgnoreCase(TextSecurePreferences.getLocalNumber(context))) { continue; }
+          if (!address.isPhone() || address.toPhoneString().equals(TextSecurePreferences.getLocalNumber(context))) { continue; }
 
           /*
           If we're not friends with the contact we received or our friend request expired then we should send them a friend request
diff --git a/src/org/thoughtcrime/securesms/loki/FriendRequestHandler.kt b/src/org/thoughtcrime/securesms/loki/FriendRequestHandler.kt
index a4ca3bd886..bb58f3dd88 100644
--- a/src/org/thoughtcrime/securesms/loki/FriendRequestHandler.kt
+++ b/src/org/thoughtcrime/securesms/loki/FriendRequestHandler.kt
@@ -5,7 +5,6 @@ import nl.komponents.kovenant.ui.successUi
 import org.thoughtcrime.securesms.database.DatabaseFactory
 import org.whispersystems.signalservice.loki.messaging.LokiMessageFriendRequestStatus
 import org.whispersystems.signalservice.loki.messaging.LokiThreadFriendRequestStatus
-import java.lang.IllegalStateException
 
 object FriendRequestHandler {
   enum class ActionType { Sending, Sent, Failed }
diff --git a/src/org/thoughtcrime/securesms/loki/LokiMessageSyncEvent.kt b/src/org/thoughtcrime/securesms/loki/LokiMessageSyncEvent.kt
deleted file mode 100644
index 426154a3cd..0000000000
--- a/src/org/thoughtcrime/securesms/loki/LokiMessageSyncEvent.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package org.thoughtcrime.securesms.loki
-
-import android.content.Context
-import android.content.Intent
-import android.support.v4.content.LocalBroadcastManager
-
-object LokiMessageSyncEvent {
-  const val MESSAGE_SYNC_EVENT = "com.loki-network.messenger.MESSAGE_SYNC_EVENT"
-  const val MESSAGE_ID = "message_id"
-  const val TIMESTAMP = "timestamp"
-  const val SYNC_MESSAGE = "sync_message"
-  const val TTL = "ttl"
-
-  fun broadcastSecurityUpdateEvent(context: Context, messageID: Long, timestamp: Long, message: ByteArray, ttl: Int) {
-    val intent = Intent(MESSAGE_SYNC_EVENT)
-    intent.putExtra(MESSAGE_ID, messageID)
-    intent.putExtra(TIMESTAMP, timestamp)
-    intent.putExtra(SYNC_MESSAGE, message)
-    intent.putExtra(TTL, ttl)
-    LocalBroadcastManager.getInstance(context).sendBroadcast(intent)
-  }
-}
\ No newline at end of file
diff --git a/src/org/thoughtcrime/securesms/loki/MultiDeviceUtilities.kt b/src/org/thoughtcrime/securesms/loki/MultiDeviceUtilities.kt
index 86da0c8082..257336de05 100644
--- a/src/org/thoughtcrime/securesms/loki/MultiDeviceUtilities.kt
+++ b/src/org/thoughtcrime/securesms/loki/MultiDeviceUtilities.kt
@@ -2,10 +2,11 @@
 package org.thoughtcrime.securesms.loki
 
 import android.content.Context
-import android.os.Handler
-import nl.komponents.kovenant.*
+import nl.komponents.kovenant.Promise
+import nl.komponents.kovenant.all
 import nl.komponents.kovenant.functional.bind
 import nl.komponents.kovenant.functional.map
+import nl.komponents.kovenant.toFailVoid
 import org.thoughtcrime.securesms.ApplicationContext
 import org.thoughtcrime.securesms.crypto.IdentityKeyUtil
 import org.thoughtcrime.securesms.database.Address
diff --git a/src/org/thoughtcrime/securesms/loki/PushBackgroundMessageSendJob.kt b/src/org/thoughtcrime/securesms/loki/PushBackgroundMessageSendJob.kt
index cca9031003..7533609185 100644
--- a/src/org/thoughtcrime/securesms/loki/PushBackgroundMessageSendJob.kt
+++ b/src/org/thoughtcrime/securesms/loki/PushBackgroundMessageSendJob.kt
@@ -2,21 +2,17 @@ package org.thoughtcrime.securesms.loki
 
 import org.thoughtcrime.securesms.ApplicationContext
 import org.thoughtcrime.securesms.database.DatabaseFactory
-import org.thoughtcrime.securesms.dependencies.InjectableType
 import org.thoughtcrime.securesms.jobmanager.Data
 import org.thoughtcrime.securesms.jobmanager.Job
 import org.thoughtcrime.securesms.jobmanager.impl.NetworkConstraint
 import org.thoughtcrime.securesms.jobs.BaseJob
 import org.thoughtcrime.securesms.logging.Log
 import org.whispersystems.libsignal.util.guava.Optional
-import org.whispersystems.signalservice.api.SignalServiceMessageSender
 import org.whispersystems.signalservice.api.crypto.UnidentifiedAccessPair
-import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException
 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage
 import org.whispersystems.signalservice.api.push.SignalServiceAddress
 import java.io.IOException
 import java.util.concurrent.TimeUnit
-import javax.inject.Inject
 
 class PushBackgroundMessageSendJob private constructor(
         parameters: Parameters,
diff --git a/src/org/thoughtcrime/securesms/push/MessageSenderEventListener.java b/src/org/thoughtcrime/securesms/push/MessageSenderEventListener.java
index 6b492be25e..5cc2d886c1 100644
--- a/src/org/thoughtcrime/securesms/push/MessageSenderEventListener.java
+++ b/src/org/thoughtcrime/securesms/push/MessageSenderEventListener.java
@@ -4,7 +4,6 @@ import android.content.Context;
 
 import org.thoughtcrime.securesms.crypto.SecurityEvent;
 import org.thoughtcrime.securesms.loki.FriendRequestHandler;
-import org.thoughtcrime.securesms.loki.LokiMessageSyncEvent;
 import org.thoughtcrime.securesms.sms.MessageSender;
 import org.whispersystems.signalservice.api.SignalServiceMessageSender;
 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
diff --git a/src/org/thoughtcrime/securesms/util/TextSecurePreferences.java b/src/org/thoughtcrime/securesms/util/TextSecurePreferences.java
index bd72a58b59..8041fe10f4 100644
--- a/src/org/thoughtcrime/securesms/util/TextSecurePreferences.java
+++ b/src/org/thoughtcrime/securesms/util/TextSecurePreferences.java
@@ -1183,7 +1183,7 @@ public class TextSecurePreferences {
   }
 
   public static void setMasterHexEncodedPublicKey(Context context, String masterHexEncodedPublicKey) {
-    setStringPreference(context, "master_hex_encoded_public_key", masterHexEncodedPublicKey);
+    setStringPreference(context, "master_hex_encoded_public_key", masterHexEncodedPublicKey.toLowerCase());
   }
   // endregion
 }