diff --git a/app/src/main/java/org/thoughtcrime/securesms/jobs/MmsDownloadJob.java b/app/src/main/java/org/thoughtcrime/securesms/jobs/MmsDownloadJob.java
index 3b3d19b1e7..bb10fc1b0b 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/jobs/MmsDownloadJob.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/jobs/MmsDownloadJob.java
@@ -26,10 +26,6 @@ import org.thoughtcrime.securesms.mms.MmsRadioException;
 import org.thoughtcrime.securesms.mms.PartParser;
 import org.thoughtcrime.securesms.providers.BlobProvider;
 import org.thoughtcrime.securesms.service.KeyCachingService;
-import org.session.libsignal.libsignal.DuplicateMessageException;
-import org.session.libsignal.libsignal.InvalidMessageException;
-import org.session.libsignal.libsignal.LegacyMessageException;
-import org.session.libsignal.libsignal.NoSessionException;
 import org.session.libsignal.libsignal.util.guava.Optional;
 
 import org.session.libsession.messaging.sending_receiving.attachments.Attachment;
@@ -160,18 +156,6 @@ public class MmsDownloadJob extends BaseJob {
       handleDownloadError(messageId, threadId,
                           MmsDatabase.Status.DOWNLOAD_SOFT_FAILURE,
                           automatic);
-    } catch (DuplicateMessageException e) {
-      Log.w(TAG, e);
-      database.markAsDecryptDuplicate(messageId, threadId);
-    } catch (LegacyMessageException e) {
-      Log.w(TAG, e);
-      database.markAsLegacyVersion(messageId, threadId);
-    } catch (NoSessionException e) {
-      Log.w(TAG, e);
-      database.markAsNoSession(messageId, threadId);
-    } catch (InvalidMessageException e) {
-      Log.w(TAG, e);
-      database.markAsDecryptFailed(messageId, threadId);
     }
   }
 
@@ -194,8 +178,7 @@ public class MmsDownloadJob extends BaseJob {
   private void storeRetrievedMms(String contentLocation,
                                  long messageId, long threadId, RetrieveConf retrieved,
                                  int subscriptionId, @Nullable Address notificationFrom)
-      throws MmsException, NoSessionException, DuplicateMessageException, InvalidMessageException,
-             LegacyMessageException
+      throws MmsException
   {
     MmsDatabase           database    = DatabaseFactory.getMmsDatabase(context);
     Optional<Address>     group       = Optional.absent();
diff --git a/app/src/main/java/org/thoughtcrime/securesms/notifications/DefaultMessageNotifier.java b/app/src/main/java/org/thoughtcrime/securesms/notifications/DefaultMessageNotifier.java
index dd20a2bf5c..9c7465db43 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/notifications/DefaultMessageNotifier.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/notifications/DefaultMessageNotifier.java
@@ -55,7 +55,6 @@ import org.thoughtcrime.securesms.loki.protocol.SessionMetaProtocol;
 import org.thoughtcrime.securesms.loki.utilities.MentionUtilities;
 import org.thoughtcrime.securesms.mms.SlideDeck;
 import org.session.libsession.messaging.threads.recipients.Recipient;
-import org.thoughtcrime.securesms.service.IncomingMessageObserver;
 import org.thoughtcrime.securesms.service.KeyCachingService;
 import org.session.libsession.utilities.ServiceUtil;
 import org.thoughtcrime.securesms.util.SpanUtil;
@@ -87,6 +86,7 @@ public class DefaultMessageNotifier implements MessageNotifier {
 
   public static final  String EXTRA_REMOTE_REPLY = "extra_remote_reply";
 
+  private static final  int   FOREGROUND_ID             = 313399;
   private static final  int   SUMMARY_NOTIFICATION_ID   = 1338;
   private static final int    PENDING_MESSAGES_ID       = 1111;
   private static final String NOTIFICATION_GROUP        = "messages";
@@ -168,7 +168,7 @@ public class DefaultMessageNotifier implements MessageNotifier {
 
           if (notification.getId() != SUMMARY_NOTIFICATION_ID &&
               notification.getId() != KeyCachingService.SERVICE_RUNNING_ID          &&
-              notification.getId() != IncomingMessageObserver.FOREGROUND_ID         &&
+              notification.getId() != FOREGROUND_ID         &&
               notification.getId() != PENDING_MESSAGES_ID)
           {
             for (NotificationItem item : notificationState.getNotifications()) {
diff --git a/libsignal/protobuf/WhisperTextProtocol.proto b/libsignal/protobuf/WhisperTextProtocol.proto
deleted file mode 100644
index a24250f1b6..0000000000
--- a/libsignal/protobuf/WhisperTextProtocol.proto
+++ /dev/null
@@ -1,57 +0,0 @@
-syntax = "proto2";
-
-package textsecure;
-
-option java_package = "org.session.libsignal.libsignal.protocol";
-option java_outer_classname = "SignalProtos";
-
-message SignalMessage {
-  optional bytes  ratchetKey      = 1;
-  optional uint32 counter         = 2;
-  optional uint32 previousCounter = 3;
-  optional bytes  ciphertext      = 4;
-}
-
-message PreKeySignalMessage {
-  optional uint32 registrationId = 5;
-  optional uint32 preKeyId       = 1;
-  optional uint32 signedPreKeyId = 6;
-  optional bytes  baseKey        = 2;
-  optional bytes  identityKey    = 3;
-  optional bytes  message        = 4; // SignalMessage
-}
-
-message KeyExchangeMessage {
-  optional uint32 id               = 1;
-  optional bytes  baseKey          = 2;
-  optional bytes  ratchetKey       = 3;
-  optional bytes  identityKey      = 4;
-  optional bytes  baseKeySignature = 5;
-}
-
-message SenderKeyMessage {
-  optional uint32 id         = 1;
-  optional uint32 iteration  = 2;
-  optional bytes  ciphertext = 3;
-}
-
-message SenderKeyDistributionMessage {
-  optional uint32 id         = 1;
-  optional uint32 iteration  = 2;
-  optional bytes  chainKey   = 3;
-  optional bytes  signingKey = 4;
-}
-
-message DeviceConsistencyCodeMessage {
-  optional uint32 generation = 1;
-  optional bytes  signature  = 2;
-}
-
-message ClosedGroupCiphertextMessage {
-  // @required
-  optional bytes  ciphertext      = 1;
-  // @required
-  optional bytes  senderPublicKey = 2;
-  // @required
-  optional uint32 keyIndex        = 3;
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/libsignal/DuplicateMessageException.java b/libsignal/src/main/java/org/session/libsignal/libsignal/DuplicateMessageException.java
deleted file mode 100644
index 37273c5bc4..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/libsignal/DuplicateMessageException.java
+++ /dev/null
@@ -1,12 +0,0 @@
-/**
- * Copyright (C) 2014-2016 Open Whisper Systems
- *
- * Licensed according to the LICENSE file in this repository.
- */
-package org.session.libsignal.libsignal;
-
-public class DuplicateMessageException extends Exception {
-  public DuplicateMessageException(String s) {
-    super(s);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/libsignal/InvalidKeyIdException.java b/libsignal/src/main/java/org/session/libsignal/libsignal/InvalidKeyIdException.java
deleted file mode 100644
index 9d7a33a9aa..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/libsignal/InvalidKeyIdException.java
+++ /dev/null
@@ -1,16 +0,0 @@
-/**
- * Copyright (C) 2014-2016 Open Whisper Systems
- *
- * Licensed according to the LICENSE file in this repository.
- */
-package org.session.libsignal.libsignal;
-
-public class InvalidKeyIdException extends Exception {
-  public InvalidKeyIdException(String detailMessage) {
-    super(detailMessage);
-  }
-
-  public InvalidKeyIdException(Throwable throwable) {
-    super(throwable);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/libsignal/LegacyMessageException.java b/libsignal/src/main/java/org/session/libsignal/libsignal/LegacyMessageException.java
deleted file mode 100644
index 2f1a713568..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/libsignal/LegacyMessageException.java
+++ /dev/null
@@ -1,12 +0,0 @@
-/**
- * Copyright (C) 2014-2016 Open Whisper Systems
- *
- * Licensed according to the LICENSE file in this repository.
- */
-package org.session.libsignal.libsignal;
-
-public class LegacyMessageException extends Exception {
-  public LegacyMessageException(String s) {
-    super(s);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/libsignal/NoSessionException.java b/libsignal/src/main/java/org/session/libsignal/libsignal/NoSessionException.java
deleted file mode 100644
index fedb2157f6..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/libsignal/NoSessionException.java
+++ /dev/null
@@ -1,16 +0,0 @@
-/**
- * Copyright (C) 2014-2016 Open Whisper Systems
- *
- * Licensed according to the LICENSE file in this repository.
- */
-package org.session.libsignal.libsignal;
-
-public class NoSessionException extends Exception {
-  public NoSessionException(String s) {
-    super(s);
-  }
-
-  public NoSessionException(Exception nested) {
-    super(nested);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/libsignal/SignalProtocolAddress.java b/libsignal/src/main/java/org/session/libsignal/libsignal/SignalProtocolAddress.java
deleted file mode 100644
index 7e329d68b4..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/libsignal/SignalProtocolAddress.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/**
- * Copyright (C) 2014-2016 Open Whisper Systems
- *
- * Licensed according to the LICENSE file in this repository.
- */
-package org.session.libsignal.libsignal;
-
-public class SignalProtocolAddress {
-
-  private final String name;
-  private final int    deviceId;
-
-  public SignalProtocolAddress(String name, int deviceId) {
-    this.name     = name;
-    this.deviceId = deviceId;
-  }
-
-  public String getName() {
-    return name;
-  }
-
-  public int getDeviceId() {
-    return deviceId;
-  }
-
-  @Override
-  public String toString() {
-    return name + ":" + deviceId;
-  }
-
-  @Override
-  public boolean equals(Object other) {
-    if (other == null)                       return false;
-    if (!(other instanceof SignalProtocolAddress)) return false;
-
-    SignalProtocolAddress that = (SignalProtocolAddress)other;
-    return this.name.equals(that.name) && this.deviceId == that.deviceId;
-  }
-
-  @Override
-  public int hashCode() {
-    return this.name.hashCode() ^ this.deviceId;
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/libsignal/StaleKeyExchangeException.java b/libsignal/src/main/java/org/session/libsignal/libsignal/StaleKeyExchangeException.java
deleted file mode 100644
index 54d832e00a..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/libsignal/StaleKeyExchangeException.java
+++ /dev/null
@@ -1,9 +0,0 @@
-/**
- * Copyright (C) 2014-2016 Open Whisper Systems
- *
- * Licensed according to the LICENSE file in this repository.
- */
-package org.session.libsignal.libsignal;
-
-public class StaleKeyExchangeException extends Throwable {
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/libsignal/UntrustedIdentityException.java b/libsignal/src/main/java/org/session/libsignal/libsignal/UntrustedIdentityException.java
deleted file mode 100644
index 56ee6c8959..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/libsignal/UntrustedIdentityException.java
+++ /dev/null
@@ -1,25 +0,0 @@
-/**
- * Copyright (C) 2014-2016 Open Whisper Systems
- *
- * Licensed according to the LICENSE file in this repository.
- */
-package org.session.libsignal.libsignal;
-
-public class UntrustedIdentityException extends Exception {
-
-  private final String name;
-  private final IdentityKey key;
-
-  public UntrustedIdentityException(String name, IdentityKey key) {
-    this.name = name;
-    this.key  = key;
-  }
-
-  public IdentityKey getUntrustedIdentity() {
-    return key;
-  }
-
-  public String getName() {
-    return name;
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/libsignal/protocol/SignalProtos.java b/libsignal/src/main/java/org/session/libsignal/libsignal/protocol/SignalProtos.java
deleted file mode 100644
index cc5ce7d151..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/libsignal/protocol/SignalProtos.java
+++ /dev/null
@@ -1,4698 +0,0 @@
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: WhisperTextProtocol.proto
-
-package org.session.libsignal.libsignal.protocol;
-
-public final class SignalProtos {
-  private SignalProtos() {}
-  public static void registerAllExtensions(
-      com.google.protobuf.ExtensionRegistry registry) {
-  }
-  public interface SignalMessageOrBuilder
-      extends com.google.protobuf.MessageOrBuilder {
-
-    // optional bytes ratchetKey = 1;
-    /**
-     * <code>optional bytes ratchetKey = 1;</code>
-     */
-    boolean hasRatchetKey();
-    /**
-     * <code>optional bytes ratchetKey = 1;</code>
-     */
-    com.google.protobuf.ByteString getRatchetKey();
-
-    // optional uint32 counter = 2;
-    /**
-     * <code>optional uint32 counter = 2;</code>
-     */
-    boolean hasCounter();
-    /**
-     * <code>optional uint32 counter = 2;</code>
-     */
-    int getCounter();
-
-    // optional uint32 previousCounter = 3;
-    /**
-     * <code>optional uint32 previousCounter = 3;</code>
-     */
-    boolean hasPreviousCounter();
-    /**
-     * <code>optional uint32 previousCounter = 3;</code>
-     */
-    int getPreviousCounter();
-
-    // optional bytes ciphertext = 4;
-    /**
-     * <code>optional bytes ciphertext = 4;</code>
-     */
-    boolean hasCiphertext();
-    /**
-     * <code>optional bytes ciphertext = 4;</code>
-     */
-    com.google.protobuf.ByteString getCiphertext();
-  }
-  /**
-   * Protobuf type {@code textsecure.SignalMessage}
-   */
-  public static final class SignalMessage extends
-      com.google.protobuf.GeneratedMessage
-      implements SignalMessageOrBuilder {
-    // Use SignalMessage.newBuilder() to construct.
-    private SignalMessage(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
-      super(builder);
-      this.unknownFields = builder.getUnknownFields();
-    }
-    private SignalMessage(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
-
-    private static final SignalMessage defaultInstance;
-    public static SignalMessage getDefaultInstance() {
-      return defaultInstance;
-    }
-
-    public SignalMessage getDefaultInstanceForType() {
-      return defaultInstance;
-    }
-
-    private final com.google.protobuf.UnknownFieldSet unknownFields;
-    @java.lang.Override
-    public final com.google.protobuf.UnknownFieldSet
-        getUnknownFields() {
-      return this.unknownFields;
-    }
-    private SignalMessage(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      initFields();
-      int mutable_bitField0_ = 0;
-      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
-          com.google.protobuf.UnknownFieldSet.newBuilder();
-      try {
-        boolean done = false;
-        while (!done) {
-          int tag = input.readTag();
-          switch (tag) {
-            case 0:
-              done = true;
-              break;
-            default: {
-              if (!parseUnknownField(input, unknownFields,
-                                     extensionRegistry, tag)) {
-                done = true;
-              }
-              break;
-            }
-            case 10: {
-              bitField0_ |= 0x00000001;
-              ratchetKey_ = input.readBytes();
-              break;
-            }
-            case 16: {
-              bitField0_ |= 0x00000002;
-              counter_ = input.readUInt32();
-              break;
-            }
-            case 24: {
-              bitField0_ |= 0x00000004;
-              previousCounter_ = input.readUInt32();
-              break;
-            }
-            case 34: {
-              bitField0_ |= 0x00000008;
-              ciphertext_ = input.readBytes();
-              break;
-            }
-          }
-        }
-      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-        throw e.setUnfinishedMessage(this);
-      } catch (java.io.IOException e) {
-        throw new com.google.protobuf.InvalidProtocolBufferException(
-            e.getMessage()).setUnfinishedMessage(this);
-      } finally {
-        this.unknownFields = unknownFields.build();
-        makeExtensionsImmutable();
-      }
-    }
-    public static final com.google.protobuf.Descriptors.Descriptor
-        getDescriptor() {
-      return org.session.libsignal.libsignal.protocol.SignalProtos.internal_static_textsecure_SignalMessage_descriptor;
-    }
-
-    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
-        internalGetFieldAccessorTable() {
-      return org.session.libsignal.libsignal.protocol.SignalProtos.internal_static_textsecure_SignalMessage_fieldAccessorTable
-          .ensureFieldAccessorsInitialized(
-              org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage.class, org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage.Builder.class);
-    }
-
-    public static com.google.protobuf.Parser<SignalMessage> PARSER =
-        new com.google.protobuf.AbstractParser<SignalMessage>() {
-      public SignalMessage parsePartialFrom(
-          com.google.protobuf.CodedInputStream input,
-          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-          throws com.google.protobuf.InvalidProtocolBufferException {
-        return new SignalMessage(input, extensionRegistry);
-      }
-    };
-
-    @java.lang.Override
-    public com.google.protobuf.Parser<SignalMessage> getParserForType() {
-      return PARSER;
-    }
-
-    private int bitField0_;
-    // optional bytes ratchetKey = 1;
-    public static final int RATCHETKEY_FIELD_NUMBER = 1;
-    private com.google.protobuf.ByteString ratchetKey_;
-    /**
-     * <code>optional bytes ratchetKey = 1;</code>
-     */
-    public boolean hasRatchetKey() {
-      return ((bitField0_ & 0x00000001) == 0x00000001);
-    }
-    /**
-     * <code>optional bytes ratchetKey = 1;</code>
-     */
-    public com.google.protobuf.ByteString getRatchetKey() {
-      return ratchetKey_;
-    }
-
-    // optional uint32 counter = 2;
-    public static final int COUNTER_FIELD_NUMBER = 2;
-    private int counter_;
-    /**
-     * <code>optional uint32 counter = 2;</code>
-     */
-    public boolean hasCounter() {
-      return ((bitField0_ & 0x00000002) == 0x00000002);
-    }
-    /**
-     * <code>optional uint32 counter = 2;</code>
-     */
-    public int getCounter() {
-      return counter_;
-    }
-
-    // optional uint32 previousCounter = 3;
-    public static final int PREVIOUSCOUNTER_FIELD_NUMBER = 3;
-    private int previousCounter_;
-    /**
-     * <code>optional uint32 previousCounter = 3;</code>
-     */
-    public boolean hasPreviousCounter() {
-      return ((bitField0_ & 0x00000004) == 0x00000004);
-    }
-    /**
-     * <code>optional uint32 previousCounter = 3;</code>
-     */
-    public int getPreviousCounter() {
-      return previousCounter_;
-    }
-
-    // optional bytes ciphertext = 4;
-    public static final int CIPHERTEXT_FIELD_NUMBER = 4;
-    private com.google.protobuf.ByteString ciphertext_;
-    /**
-     * <code>optional bytes ciphertext = 4;</code>
-     */
-    public boolean hasCiphertext() {
-      return ((bitField0_ & 0x00000008) == 0x00000008);
-    }
-    /**
-     * <code>optional bytes ciphertext = 4;</code>
-     */
-    public com.google.protobuf.ByteString getCiphertext() {
-      return ciphertext_;
-    }
-
-    private void initFields() {
-      ratchetKey_ = com.google.protobuf.ByteString.EMPTY;
-      counter_ = 0;
-      previousCounter_ = 0;
-      ciphertext_ = com.google.protobuf.ByteString.EMPTY;
-    }
-    private byte memoizedIsInitialized = -1;
-    public final boolean isInitialized() {
-      byte isInitialized = memoizedIsInitialized;
-      if (isInitialized != -1) return isInitialized == 1;
-
-      memoizedIsInitialized = 1;
-      return true;
-    }
-
-    public void writeTo(com.google.protobuf.CodedOutputStream output)
-                        throws java.io.IOException {
-      getSerializedSize();
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        output.writeBytes(1, ratchetKey_);
-      }
-      if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        output.writeUInt32(2, counter_);
-      }
-      if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        output.writeUInt32(3, previousCounter_);
-      }
-      if (((bitField0_ & 0x00000008) == 0x00000008)) {
-        output.writeBytes(4, ciphertext_);
-      }
-      getUnknownFields().writeTo(output);
-    }
-
-    private int memoizedSerializedSize = -1;
-    public int getSerializedSize() {
-      int size = memoizedSerializedSize;
-      if (size != -1) return size;
-
-      size = 0;
-      if (((bitField0_ & 0x00000001) == 0x00000001)) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeBytesSize(1, ratchetKey_);
-      }
-      if (((bitField0_ & 0x00000002) == 0x00000002)) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeUInt32Size(2, counter_);
-      }
-      if (((bitField0_ & 0x00000004) == 0x00000004)) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeUInt32Size(3, previousCounter_);
-      }
-      if (((bitField0_ & 0x00000008) == 0x00000008)) {
-        size += com.google.protobuf.CodedOutputStream
-          .computeBytesSize(4, ciphertext_);
-      }
-      size += getUnknownFields().getSerializedSize();
-      memoizedSerializedSize = size;
-      return size;
-    }
-
-    private static final long serialVersionUID = 0L;
-    @java.lang.Override
-    protected java.lang.Object writeReplace()
-        throws java.io.ObjectStreamException {
-      return super.writeReplace();
-    }
-
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseFrom(
-        com.google.protobuf.ByteString data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseFrom(
-        com.google.protobuf.ByteString data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseFrom(byte[] data)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data);
-    }
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseFrom(
-        byte[] data,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws com.google.protobuf.InvalidProtocolBufferException {
-      return PARSER.parseFrom(data, extensionRegistry);
-    }
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseFrom(java.io.InputStream input)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input);
-    }
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseFrom(
-        java.io.InputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input, extensionRegistry);
-    }
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseDelimitedFrom(java.io.InputStream input)
-        throws java.io.IOException {
-      return PARSER.parseDelimitedFrom(input);
-    }
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseDelimitedFrom(
-        java.io.InputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseDelimitedFrom(input, extensionRegistry);
-    }
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseFrom(
-        com.google.protobuf.CodedInputStream input)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input);
-    }
-    public static org.session.libsignal.libsignal.protocol.SignalProtos.SignalMessage parseFrom(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      return PARSER.parseFrom(input, extensionRegistry);
-    }
-
-    public static Builder newBuilder() { return Builder.create(); }
-    public Builder newBuilderForType() { return newBuilder(); }
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-        return this;
-      }
-
-      // @@protoc_insertion_point(builder_scope:textsecure.ClosedGroupCiphertextMessage)
-    }
-
-    static {
-      defaultInstance = new ClosedGroupCiphertextMessage(true);
-      defaultInstance.initFields();
-    }
-
-    // @@protoc_insertion_point(class_scope:textsecure.ClosedGroupCiphertextMessage)
-  }
-
-  private static com.google.protobuf.Descriptors.Descriptor
-    internal_static_textsecure_SignalMessage_descriptor;
-  private static
-    com.google.protobuf.GeneratedMessage.FieldAccessorTable
-      internal_static_textsecure_SignalMessage_fieldAccessorTable;
-  private static com.google.protobuf.Descriptors.Descriptor
-    internal_static_textsecure_PreKeySignalMessage_descriptor;
-  private static
-    com.google.protobuf.GeneratedMessage.FieldAccessorTable
-      internal_static_textsecure_PreKeySignalMessage_fieldAccessorTable;
-  private static com.google.protobuf.Descriptors.Descriptor
-    internal_static_textsecure_KeyExchangeMessage_descriptor;
-  private static
-    com.google.protobuf.GeneratedMessage.FieldAccessorTable
-      internal_static_textsecure_KeyExchangeMessage_fieldAccessorTable;
-  private static com.google.protobuf.Descriptors.Descriptor
-    internal_static_textsecure_SenderKeyMessage_descriptor;
-  private static
-    com.google.protobuf.GeneratedMessage.FieldAccessorTable
-      internal_static_textsecure_SenderKeyMessage_fieldAccessorTable;
-  private static com.google.protobuf.Descriptors.Descriptor
-    internal_static_textsecure_SenderKeyDistributionMessage_descriptor;
-  private static
-    com.google.protobuf.GeneratedMessage.FieldAccessorTable
-      internal_static_textsecure_SenderKeyDistributionMessage_fieldAccessorTable;
-  private static com.google.protobuf.Descriptors.Descriptor
-    internal_static_textsecure_DeviceConsistencyCodeMessage_descriptor;
-  private static
-    com.google.protobuf.GeneratedMessage.FieldAccessorTable
-      internal_static_textsecure_DeviceConsistencyCodeMessage_fieldAccessorTable;
-  private static com.google.protobuf.Descriptors.Descriptor
-    internal_static_textsecure_ClosedGroupCiphertextMessage_descriptor;
-  private static
-    com.google.protobuf.GeneratedMessage.FieldAccessorTable
-      internal_static_textsecure_ClosedGroupCiphertextMessage_fieldAccessorTable;
-
-  public static com.google.protobuf.Descriptors.FileDescriptor
-      getDescriptor() {
-    return descriptor;
-  }
-  private static com.google.protobuf.Descriptors.FileDescriptor
-      descriptor;
-  static {
-    java.lang.String[] descriptorData = {
-      "\n\031WhisperTextProtocol.proto\022\ntextsecure\"" +
-      "a\n\rSignalMessage\022\022\n\nratchetKey\030\001 \001(\014\022\017\n\007" +
-      "counter\030\002 \001(\r\022\027\n\017previousCounter\030\003 \001(\r\022\022" +
-      "\n\nciphertext\030\004 \001(\014\"\216\001\n\023PreKeySignalMessa" +
-      "ge\022\026\n\016registrationId\030\005 \001(\r\022\020\n\010preKeyId\030\001" +
-      " \001(\r\022\026\n\016signedPreKeyId\030\006 \001(\r\022\017\n\007baseKey\030" +
-      "\002 \001(\014\022\023\n\013identityKey\030\003 \001(\014\022\017\n\007message\030\004 " +
-      "\001(\014\"t\n\022KeyExchangeMessage\022\n\n\002id\030\001 \001(\r\022\017\n" +
-      "\007baseKey\030\002 \001(\014\022\022\n\nratchetKey\030\003 \001(\014\022\023\n\013id" +
-      "entityKey\030\004 \001(\014\022\030\n\020baseKeySignature\030\005 \001(",
-      "\014\"E\n\020SenderKeyMessage\022\n\n\002id\030\001 \001(\r\022\021\n\tite" +
-      "ration\030\002 \001(\r\022\022\n\nciphertext\030\003 \001(\014\"c\n\034Send" +
-      "erKeyDistributionMessage\022\n\n\002id\030\001 \001(\r\022\021\n\t" +
-      "iteration\030\002 \001(\r\022\020\n\010chainKey\030\003 \001(\014\022\022\n\nsig" +
-      "ningKey\030\004 \001(\014\"E\n\034DeviceConsistencyCodeMe" +
-      "ssage\022\022\n\ngeneration\030\001 \001(\r\022\021\n\tsignature\030\002" +
-      " \001(\014\"]\n\034ClosedGroupCiphertextMessage\022\022\n\n" +
-      "ciphertext\030\001 \001(\014\022\027\n\017senderPublicKey\030\002 \001(" +
-      "\014\022\020\n\010keyIndex\030\003 \001(\rB8\n(org.session.libsi" +
-      "gnal.libsignal.protocolB\014SignalProtos"
-    };
-    com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
-      new com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
-        public com.google.protobuf.ExtensionRegistry assignDescriptors(
-            com.google.protobuf.Descriptors.FileDescriptor root) {
-          descriptor = root;
-          internal_static_textsecure_SignalMessage_descriptor =
-            getDescriptor().getMessageTypes().get(0);
-          internal_static_textsecure_SignalMessage_fieldAccessorTable = new
-            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
-              internal_static_textsecure_SignalMessage_descriptor,
-              new java.lang.String[] { "RatchetKey", "Counter", "PreviousCounter", "Ciphertext", });
-          internal_static_textsecure_PreKeySignalMessage_descriptor =
-            getDescriptor().getMessageTypes().get(1);
-          internal_static_textsecure_PreKeySignalMessage_fieldAccessorTable = new
-            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
-              internal_static_textsecure_PreKeySignalMessage_descriptor,
-              new java.lang.String[] { "RegistrationId", "PreKeyId", "SignedPreKeyId", "BaseKey", "IdentityKey", "Message", });
-          internal_static_textsecure_KeyExchangeMessage_descriptor =
-            getDescriptor().getMessageTypes().get(2);
-          internal_static_textsecure_KeyExchangeMessage_fieldAccessorTable = new
-            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
-              internal_static_textsecure_KeyExchangeMessage_descriptor,
-              new java.lang.String[] { "Id", "BaseKey", "RatchetKey", "IdentityKey", "BaseKeySignature", });
-          internal_static_textsecure_SenderKeyMessage_descriptor =
-            getDescriptor().getMessageTypes().get(3);
-          internal_static_textsecure_SenderKeyMessage_fieldAccessorTable = new
-            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
-              internal_static_textsecure_SenderKeyMessage_descriptor,
-              new java.lang.String[] { "Id", "Iteration", "Ciphertext", });
-          internal_static_textsecure_SenderKeyDistributionMessage_descriptor =
-            getDescriptor().getMessageTypes().get(4);
-          internal_static_textsecure_SenderKeyDistributionMessage_fieldAccessorTable = new
-            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
-              internal_static_textsecure_SenderKeyDistributionMessage_descriptor,
-              new java.lang.String[] { "Id", "Iteration", "ChainKey", "SigningKey", });
-          internal_static_textsecure_DeviceConsistencyCodeMessage_descriptor =
-            getDescriptor().getMessageTypes().get(5);
-          internal_static_textsecure_DeviceConsistencyCodeMessage_fieldAccessorTable = new
-            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
-              internal_static_textsecure_DeviceConsistencyCodeMessage_descriptor,
-              new java.lang.String[] { "Generation", "Signature", });
-          internal_static_textsecure_ClosedGroupCiphertextMessage_descriptor =
-            getDescriptor().getMessageTypes().get(6);
-          internal_static_textsecure_ClosedGroupCiphertextMessage_fieldAccessorTable = new
-            com.google.protobuf.GeneratedMessage.FieldAccessorTable(
-              internal_static_textsecure_ClosedGroupCiphertextMessage_descriptor,
-              new java.lang.String[] { "Ciphertext", "SenderPublicKey", "KeyIndex", });
-          return null;
-        }
-      };
-    com.google.protobuf.Descriptors.FileDescriptor
-      .internalBuildGeneratedFileFrom(descriptorData,
-        new com.google.protobuf.Descriptors.FileDescriptor[] {
-        }, assigner);
-  }
-
-  // @@protoc_insertion_point(outer_class_scope)
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/libsignal/state/IdentityKeyStore.java b/libsignal/src/main/java/org/session/libsignal/libsignal/state/IdentityKeyStore.java
index 389cb8be6f..4cc30bfc6b 100644
--- a/libsignal/src/main/java/org/session/libsignal/libsignal/state/IdentityKeyStore.java
+++ b/libsignal/src/main/java/org/session/libsignal/libsignal/state/IdentityKeyStore.java
@@ -5,9 +5,7 @@
  */
 package org.session.libsignal.libsignal.state;
 
-import org.session.libsignal.libsignal.IdentityKey;
 import org.session.libsignal.libsignal.IdentityKeyPair;
-import org.session.libsignal.libsignal.SignalProtocolAddress;
 
 /**
  * Provides an interface to identity information.
@@ -15,11 +13,6 @@ import org.session.libsignal.libsignal.SignalProtocolAddress;
  * @author Moxie Marlinspike
  */
 public interface IdentityKeyStore {
-
-  public enum Direction {
-    SENDING, RECEIVING
-  }
-
   /**
    * Get the local client's identity key pair.
    *
diff --git a/libsignal/src/main/java/org/session/libsignal/metadata/InvalidMetadataVersionException.java b/libsignal/src/main/java/org/session/libsignal/metadata/InvalidMetadataVersionException.java
deleted file mode 100644
index 39054f60ad..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/metadata/InvalidMetadataVersionException.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.session.libsignal.metadata;
-
-
-public class InvalidMetadataVersionException extends Exception {
-  public InvalidMetadataVersionException(String s) {
-    super(s);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolDuplicateMessageException.java b/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolDuplicateMessageException.java
deleted file mode 100644
index c3078d587e..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolDuplicateMessageException.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.session.libsignal.metadata;
-
-
-public class ProtocolDuplicateMessageException extends ProtocolException {
-  public ProtocolDuplicateMessageException(Exception e, String sender, int senderDevice) {
-    super(e, sender, senderDevice);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolInvalidKeyException.java b/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolInvalidKeyException.java
deleted file mode 100644
index 3a7c0af20b..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolInvalidKeyException.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.session.libsignal.metadata;
-
-
-import org.session.libsignal.libsignal.InvalidKeyException;
-
-public class ProtocolInvalidKeyException extends ProtocolException {
-  public ProtocolInvalidKeyException(InvalidKeyException e, String sender, int senderDevice) {
-    super(e, sender, senderDevice);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolInvalidKeyIdException.java b/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolInvalidKeyIdException.java
deleted file mode 100644
index 81d035b556..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolInvalidKeyIdException.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.session.libsignal.metadata;
-
-
-public class ProtocolInvalidKeyIdException extends ProtocolException {
-  public ProtocolInvalidKeyIdException(Exception e, String sender, int senderDevice) {
-    super(e, sender, senderDevice);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolInvalidVersionException.java b/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolInvalidVersionException.java
deleted file mode 100644
index 9d0d5161d5..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolInvalidVersionException.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.session.libsignal.metadata;
-
-
-import org.session.libsignal.libsignal.InvalidVersionException;
-
-public class ProtocolInvalidVersionException extends ProtocolException {
-  public ProtocolInvalidVersionException(InvalidVersionException e, String sender, int senderDevice) {
-    super(e, sender, senderDevice);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolLegacyMessageException.java b/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolLegacyMessageException.java
deleted file mode 100644
index 5f52bb5fa6..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolLegacyMessageException.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.session.libsignal.metadata;
-
-
-import org.session.libsignal.libsignal.LegacyMessageException;
-
-public class ProtocolLegacyMessageException extends ProtocolException {
-  public ProtocolLegacyMessageException(LegacyMessageException e, String sender, int senderDeviceId) {
-    super(e, sender, senderDeviceId);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolNoSessionException.java b/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolNoSessionException.java
deleted file mode 100644
index b290c4d642..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolNoSessionException.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.session.libsignal.metadata;
-
-
-import org.session.libsignal.libsignal.NoSessionException;
-
-public class ProtocolNoSessionException extends ProtocolException {
-  public ProtocolNoSessionException(NoSessionException e, String sender, int senderDevice) {
-    super(e, sender, senderDevice);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolUntrustedIdentityException.java b/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolUntrustedIdentityException.java
deleted file mode 100644
index c68c069318..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/metadata/ProtocolUntrustedIdentityException.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.session.libsignal.metadata;
-
-
-import org.session.libsignal.libsignal.UntrustedIdentityException;
-
-public class ProtocolUntrustedIdentityException extends ProtocolException {
-  public ProtocolUntrustedIdentityException(UntrustedIdentityException e, String sender, int senderDevice) {
-    super(e, sender, senderDevice);
-  }
-}
diff --git a/libsignal/src/main/java/org/session/libsignal/metadata/SelfSendException.java b/libsignal/src/main/java/org/session/libsignal/metadata/SelfSendException.java
deleted file mode 100644
index ff6afe2071..0000000000
--- a/libsignal/src/main/java/org/session/libsignal/metadata/SelfSendException.java
+++ /dev/null
@@ -1,3 +0,0 @@
-package org.session.libsignal.metadata;
-
-public class SelfSendException extends Exception { }
diff --git a/libsignal/src/main/java/org/session/libsignal/service/api/SignalServiceMessageSender.java b/libsignal/src/main/java/org/session/libsignal/service/api/SignalServiceMessageSender.java
index 01cf302c87..e3ba867dac 100644
--- a/libsignal/src/main/java/org/session/libsignal/service/api/SignalServiceMessageSender.java
+++ b/libsignal/src/main/java/org/session/libsignal/service/api/SignalServiceMessageSender.java
@@ -220,17 +220,8 @@ public class SignalServiceMessageSender {
     byte[]                  content            = createMessageContent(message, recipients.get(0));
     long                    timestamp          = message.getTimestamp();
     boolean                 isClosedGroup      = message.group.isPresent() && message.group.get().getGroupType() == SignalServiceGroup.GroupType.SIGNAL;
-    List<SendMessageResult> results            = sendMessage(messageID, recipients, getTargetUnidentifiedAccess(unidentifiedAccess), timestamp, content, false, message.getTTL(), isClosedGroup, message.hasVisibleContent());
-    boolean                 needsSyncInResults = false;
 
-    for (SendMessageResult result : results) {
-      if (result.getSuccess() != null && result.getSuccess().isNeedsSync()) {
-        needsSyncInResults = true;
-        break;
-      }
-    }
-
-    return results;
+    return sendMessage(messageID, recipients, getTargetUnidentifiedAccess(unidentifiedAccess), timestamp, content, false, message.getTTL(), isClosedGroup, message.hasVisibleContent());
   }
 
   public void setMessagePipe(SignalServiceMessagePipe pipe, SignalServiceMessagePipe unidentifiedPipe) {