diff --git a/Signal/src/Jobs/MessageFetcherJob.swift b/Signal/src/Jobs/MessageFetcherJob.swift
index 81823c8ec..a6ab01294 100644
--- a/Signal/src/Jobs/MessageFetcherJob.swift
+++ b/Signal/src/Jobs/MessageFetcherJob.swift
@@ -198,9 +198,9 @@ private
 
     private func acknowledgeDelivery(envelope: SSKProtoEnvelope) {
         let request: TSRequest
-        if let serverGuid = envelope.serverGuid, envelope.hasServerTimestamp {
+        if let serverGuid = envelope.serverGuid, envelope.hasServerTimestamp, serverGuid.count > 0, envelope.serverTimestamp > 0 {
             request = OWSRequestFactory.acknowledgeMessageDeliveryRequest(withServerGuid: serverGuid, serverTimestamp: envelope.serverTimestamp)
-        } else if let source = envelope.source {
+        } else if let source = envelope.source, source.count > 0, envelope.timestamp > 0 {
             request = OWSRequestFactory.acknowledgeMessageDeliveryRequest(withSource: source, timestamp: envelope.timestamp)
         } else {
             owsFailDebug("Cannot ACK message which has neither source, nor server GUID and timestamp.")
diff --git a/Signal/src/ViewControllers/DebugUI/DebugUIMisc.m b/Signal/src/ViewControllers/DebugUI/DebugUIMisc.m
index f39486aa4..8eb189fb5 100644
--- a/Signal/src/ViewControllers/DebugUI/DebugUIMisc.m
+++ b/Signal/src/ViewControllers/DebugUI/DebugUIMisc.m
@@ -137,6 +137,11 @@ NS_ASSUME_NONNULL_BEGIN
                                          [Environment.shared.contactsManager requestSystemContactsOnce];
                                      }]];
 
+    [items addObject:[OWSTableItem itemWithTitle:@"Cycle websockets"
+                                     actionBlock:^() {
+                                         [SSKEnvironment.shared.socketManager cycleSocket];
+                                     }]];
+
     return [OWSTableSection sectionWithTitle:self.name items:items];
 }
 
diff --git a/SignalServiceKit/src/Devices/OWSDevice.h b/SignalServiceKit/src/Devices/OWSDevice.h
index e642f744d..9804c81ce 100644
--- a/SignalServiceKit/src/Devices/OWSDevice.h
+++ b/SignalServiceKit/src/Devices/OWSDevice.h
@@ -17,7 +17,7 @@ extern uint32_t const OWSDevicePrimaryDeviceId;
 
 - (BOOL)mayHaveLinkedDevices:(YapDatabaseConnection *)dbConnection;
 - (void)setMayHaveLinkedDevices;
-- (void)clearMayHaveLinkedDevicesIfNotSet;
+- (void)clearMayHaveLinkedDevices;
 
 - (BOOL)hasReceivedSyncMessageInLastSeconds:(NSTimeInterval)intervalSeconds;
 - (void)setHasReceivedSyncMessage;
diff --git a/SignalServiceKit/src/Devices/OWSDevice.m b/SignalServiceKit/src/Devices/OWSDevice.m
index 4800f4da5..00687cd73 100644
--- a/SignalServiceKit/src/Devices/OWSDevice.m
+++ b/SignalServiceKit/src/Devices/OWSDevice.m
@@ -62,17 +62,14 @@ NSString *const kOWSPrimaryStorage_MayHaveLinkedDevices = @"kTSStorageManager_Ma
 // to avoid unnecessary message sends for sync messages until we learn
 // of a linked device (e.g. through the device linking UI or by receiving
 // a sync message, etc.).
-- (void)clearMayHaveLinkedDevicesIfNotSet
+- (void)clearMayHaveLinkedDevices
 {
     // Note that we write async to avoid opening transactions within transactions.
     [OWSPrimaryStorage.sharedManager.newDatabaseConnection
         asyncReadWriteWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
-            if (![transaction objectForKey:kOWSPrimaryStorage_MayHaveLinkedDevices
-                              inCollection:kOWSPrimaryStorage_OWSDeviceCollection]) {
-                [transaction setObject:@(NO)
-                                forKey:kOWSPrimaryStorage_MayHaveLinkedDevices
-                          inCollection:kOWSPrimaryStorage_OWSDeviceCollection];
-            }
+            [transaction setObject:@(NO)
+                            forKey:kOWSPrimaryStorage_MayHaveLinkedDevices
+                      inCollection:kOWSPrimaryStorage_OWSDeviceCollection];
         }];
 }
 
diff --git a/SignalServiceKit/src/Messages/OWSMessageSender.m b/SignalServiceKit/src/Messages/OWSMessageSender.m
index 36fc8e8ed..cc1307622 100644
--- a/SignalServiceKit/src/Messages/OWSMessageSender.m
+++ b/SignalServiceKit/src/Messages/OWSMessageSender.m
@@ -1093,8 +1093,10 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
     [[requestMaker makeRequestObjc]
             .then(^(OWSRequestMakerResult *result) {
                 dispatch_async([OWSDispatch sendingQueue], ^{
-                    const BOOL wasSentByUD = result.wasSentByUD;
-                    [self messageSendDidSucceed:messageSend deviceMessages:deviceMessages wasSentByUD:wasSentByUD];
+                    [self messageSendDidSucceed:messageSend
+                                 deviceMessages:deviceMessages
+                                    wasSentByUD:result.wasSentByUD
+                             wasSentByWebsocket:result.wasSentByWebsocket];
                 });
             })
             .catch(^(NSError *error) {
@@ -1130,7 +1132,9 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
 
 - (void)messageSendDidSucceed:(OWSMessageSend *)messageSend
                deviceMessages:(NSArray<NSDictionary *> *)deviceMessages
-                  wasSentByUD:(BOOL)wasSentByUD {
+                  wasSentByUD:(BOOL)wasSentByUD
+           wasSentByWebsocket:(BOOL)wasSentByWebsocket
+{
     OWSAssertDebug(messageSend);
     OWSAssertDebug(deviceMessages);
 
@@ -1148,7 +1152,7 @@ NSString *const OWSMessageSenderRateLimitedException = @"RateLimitedException";
         // to avoid unnecessary message sends for sync messages until we learn
         // of a linked device (e.g. through the device linking UI or by receiving
         // a sync message, etc.).
-        [OWSDeviceManager.sharedManager clearMayHaveLinkedDevicesIfNotSet];
+        [OWSDeviceManager.sharedManager clearMayHaveLinkedDevices];
     }
 
     dispatch_async([OWSDispatch sendingQueue], ^{
diff --git a/SignalServiceKit/src/Messages/UD/OWSRequestMaker.swift b/SignalServiceKit/src/Messages/UD/OWSRequestMaker.swift
index 159323470..2f28fbd0e 100644
--- a/SignalServiceKit/src/Messages/UD/OWSRequestMaker.swift
+++ b/SignalServiceKit/src/Messages/UD/OWSRequestMaker.swift
@@ -23,11 +23,16 @@ public class RequestMakerResult: NSObject {
     @objc
     public let wasSentByUD: Bool
 
+    @objc
+    public let wasSentByWebsocket: Bool
+
     @objc
     public init(responseObject: Any?,
-                wasSentByUD: Bool) {
+                wasSentByUD: Bool,
+                wasSentByWebsocket: Bool) {
         self.responseObject = responseObject
         self.wasSentByUD = wasSentByUD
+        self.wasSentByWebsocket = wasSentByWebsocket
     }
 }
 
@@ -114,12 +119,11 @@ public class RequestMaker: NSObject {
         }
         let isUDRequest: Bool = udAccessForRequest != nil
         let request: TSRequest = requestFactoryBlock(udAccessForRequest?.udAccessKey)
-        let webSocketType: OWSWebSocketType = (isUDRequest ? .UD : .default)
-        let canMakeWebsocketRequests = (socketManager.canMakeRequests(of: webSocketType) && !skipWebsocket)
+        let canMakeWebsocketRequests = (socketManager.canMakeRequests() && !skipWebsocket && !isUDRequest)
 
         if canMakeWebsocketRequests {
             return Promise { resolver in
-                socketManager.make(request, webSocketType: webSocketType, success: { (responseObject: Any?) in
+                socketManager.make(request, success: { (responseObject: Any?) in
                     if self.udManager.isUDVerboseLoggingEnabled() {
                         if isUDRequest {
                             Logger.debug("UD websocket request '\(self.label)' succeeded.")
@@ -130,7 +134,9 @@ public class RequestMaker: NSObject {
 
                     self.requestSucceeded(udAccess: udAccessForRequest)
 
-                    resolver.fulfill(RequestMakerResult(responseObject: responseObject, wasSentByUD: isUDRequest))
+                    resolver.fulfill(RequestMakerResult(responseObject: responseObject,
+                                                        wasSentByUD: isUDRequest,
+                                                        wasSentByWebsocket: true))
                 }) { (statusCode: Int, responseData: Data?, error: Error) in
                     resolver.reject(RequestMakerError.websocketRequestError(statusCode: statusCode, responseData: responseData, underlyingError: error))
                 }
@@ -179,7 +185,9 @@ public class RequestMaker: NSObject {
                     self.requestSucceeded(udAccess: udAccessForRequest)
 
                     // Unwrap the network manager promise into a request maker promise.
-                    return RequestMakerResult(responseObject: networkManagerResult.responseObject, wasSentByUD: isUDRequest)
+                    return RequestMakerResult(responseObject: networkManagerResult.responseObject,
+                                              wasSentByUD: isUDRequest,
+                                              wasSentByWebsocket: false)
                 }.recover { (error: Error) -> Promise<RequestMakerResult> in
                     switch error {
                     case NetworkManagerError.taskError(let task, _):
diff --git a/SignalServiceKit/src/Network/API/Requests/OWSRequestFactory.m b/SignalServiceKit/src/Network/API/Requests/OWSRequestFactory.m
index 745a4b9f6..2ef8041dc 100644
--- a/SignalServiceKit/src/Network/API/Requests/OWSRequestFactory.m
+++ b/SignalServiceKit/src/Network/API/Requests/OWSRequestFactory.m
@@ -419,6 +419,8 @@ NS_ASSUME_NONNULL_BEGIN
 
     // Don't bother with the default cookie store;
     // these cookies are ephemeral.
+    //
+    // NOTE: TSNetworkManager now separately disables default cookie handling for all requests.
     [request setHTTPShouldHandleCookies:NO];
 
     return request;
@@ -451,6 +453,8 @@ NS_ASSUME_NONNULL_BEGIN
 
     // Don't bother with the default cookie store;
     // these cookies are ephemeral.
+    //
+    // NOTE: TSNetworkManager now separately disables default cookie handling for all requests.
     [request setHTTPShouldHandleCookies:NO];
     // Set the cookie header.
     OWSAssertDebug(request.allHTTPHeaderFields.count == 0);
@@ -489,6 +493,8 @@ NS_ASSUME_NONNULL_BEGIN
 
     // Add UD auth header.
     [request setValue:[udAccessKey.keyData base64EncodedString] forHTTPHeaderField:@"Unidentified-Access-Key"];
+
+    request.isUDRequest = YES;
 }
 
 @end
diff --git a/SignalServiceKit/src/Network/API/Requests/TSRequest.h b/SignalServiceKit/src/Network/API/Requests/TSRequest.h
index b56e113dd..069a706d0 100644
--- a/SignalServiceKit/src/Network/API/Requests/TSRequest.h
+++ b/SignalServiceKit/src/Network/API/Requests/TSRequest.h
@@ -6,6 +6,7 @@
 
 @interface TSRequest : NSMutableURLRequest
 
+@property (nonatomic) BOOL isUDRequest;
 @property (nonatomic) BOOL shouldHaveAuthorizationHeaders;
 @property (atomic, nullable) NSString *authUsername;
 @property (atomic, nullable) NSString *authPassword;
diff --git a/SignalServiceKit/src/Network/API/TSNetworkManager.m b/SignalServiceKit/src/Network/API/TSNetworkManager.m
index 8cd7675ce..94e7448f9 100644
--- a/SignalServiceKit/src/Network/API/TSNetworkManager.m
+++ b/SignalServiceKit/src/Network/API/TSNetworkManager.m
@@ -25,12 +25,20 @@ BOOL IsNSErrorNetworkFailure(NSError *_Nullable error)
 
 @interface TSNetworkManager ()
 
+// This property should only be accessed on udSerialQueue.
+@property (atomic, readonly) AFHTTPSessionManager *udSessionManager;
+
+@property (atomic, readonly) dispatch_queue_t udSerialQueue;
+
 typedef void (^failureBlock)(NSURLSessionDataTask *task, NSError *error);
 
 @end
 
 @implementation TSNetworkManager
 
+@synthesize udSessionManager = _udSessionManager;
+@synthesize udSerialQueue = _udSerialQueue;
+
 #pragma mark Singleton implementation
 
 + (instancetype)sharedManager
@@ -47,6 +55,8 @@ typedef void (^failureBlock)(NSURLSessionDataTask *task, NSError *error);
         return self;
     }
 
+    _udSerialQueue = dispatch_queue_create("org.whispersystems.networkManager.udQueue", DISPATCH_QUEUE_SERIAL);
+
     OWSSingletonAssert();
 
     return self;
@@ -70,9 +80,15 @@ typedef void (^failureBlock)(NSURLSessionDataTask *task, NSError *error);
     OWSAssertDebug(successBlock);
     OWSAssertDebug(failureBlock);
 
-    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-        [self makeRequestSync:request completionQueue:completionQueue success:successBlock failure:failureBlock];
-    });
+    if (request.isUDRequest) {
+        dispatch_async(self.udSerialQueue, ^{
+            [self makeUDRequestSync:request success:successBlock failure:failureBlock];
+        });
+    } else {
+        dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+            [self makeRequestSync:request completionQueue:completionQueue success:successBlock failure:failureBlock];
+        });
+    }
 }
 
 - (void)makeRequestSync:(TSRequest *)request
@@ -84,11 +100,11 @@ typedef void (^failureBlock)(NSURLSessionDataTask *task, NSError *error);
     OWSAssertDebug(successBlock);
     OWSAssertDebug(failureBlock);
 
-    OWSLogInfo(@"Making request: %@", request);
+    OWSLogInfo(@"Making Non-UD request: %@", request);
 
     // TODO: Remove this logging when the call connection issues have been resolved.
     TSNetworkManagerSuccess success = ^(NSURLSessionDataTask *task, _Nullable id responseObject) {
-        OWSLogInfo(@"request succeeded : %@", request);
+        OWSLogInfo(@"Non-UD request succeeded : %@", request);
 
         if (request.shouldHaveAuthorizationHeaders) {
             [TSAccountManager.sharedInstance setIsDeregistered:NO];
@@ -110,17 +126,71 @@ typedef void (^failureBlock)(NSURLSessionDataTask *task, NSError *error);
                                                                          password:request.authPassword];
     }
 
-    // Honor the request's preferences about default cookie handling.
-    //
-    // Default is YES.
-    sessionManager.requestSerializer.HTTPShouldHandleCookies = request.HTTPShouldHandleCookies;
+    // Honor the request's headers.
+    for (NSString *headerField in request.allHTTPHeaderFields) {
+        NSString *headerValue = request.allHTTPHeaderFields[headerField];
+        [sessionManager.requestSerializer setValue:headerValue forHTTPHeaderField:headerField];
+    }
+
+    [self performRequest:request sessionManager:sessionManager success:success failure:failure];
+}
+
+// This method should only be invoked on udSerialQueue.
+- (AFHTTPSessionManager *)udSessionManager
+{
+    if (!_udSessionManager) {
+        _udSessionManager = [OWSSignalService sharedInstance].signalServiceSessionManager;
+        _udSessionManager.completionQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
+        // NOTE: We could enable HTTPShouldUsePipelining here.
+    }
+
+    return _udSessionManager;
+}
+
+- (void)makeUDRequestSync:(TSRequest *)request
+                  success:(TSNetworkManagerSuccess)successBlock
+                  failure:(TSNetworkManagerFailure)failureBlock
+{
+    OWSAssertDebug(request);
+    OWSAssert(!request.shouldHaveAuthorizationHeaders);
+    OWSAssertDebug(successBlock);
+    OWSAssertDebug(failureBlock);
+
+    OWSLogInfo(@"Making UD request: %@", request);
+
+    TSNetworkManagerSuccess success = ^(NSURLSessionDataTask *task, _Nullable id responseObject) {
+        OWSLogInfo(@"UD request succeeded : %@", request);
+
+        successBlock(task, responseObject);
+
+        [OutageDetection.sharedManager reportConnectionSuccess];
+    };
+    TSNetworkManagerFailure failure = [TSNetworkManager errorPrettifyingForFailureBlock:failureBlock request:request];
+
+    AFHTTPSessionManager *sessionManager = self.udSessionManager;
 
     // Honor the request's headers.
+    for (NSString *headerField in sessionManager.requestSerializer.HTTPRequestHeaders.allKeys.copy) {
+        [sessionManager.requestSerializer setValue:nil forHTTPHeaderField:headerField];
+    }
     for (NSString *headerField in request.allHTTPHeaderFields) {
         NSString *headerValue = request.allHTTPHeaderFields[headerField];
         [sessionManager.requestSerializer setValue:headerValue forHTTPHeaderField:headerField];
     }
 
+    [self performRequest:request sessionManager:sessionManager success:success failure:failure];
+}
+
+- (void)performRequest:(TSRequest *)request
+        sessionManager:(AFHTTPSessionManager *)sessionManager
+               success:(TSNetworkManagerSuccess)success
+               failure:(TSNetworkManagerFailure)failure
+{
+    OWSAssertDebug(request);
+    OWSAssertDebug(sessionManager);
+    OWSAssertDebug(success);
+    OWSAssertDebug(failure);
+
     if ([request.HTTPMethod isEqualToString:@"GET"]) {
         [sessionManager GET:request.URL.absoluteString
                  parameters:request.parameters
diff --git a/SignalServiceKit/src/Network/OWSSignalService.m b/SignalServiceKit/src/Network/OWSSignalService.m
index 0b203532e..fd8a2fc3d 100644
--- a/SignalServiceKit/src/Network/OWSSignalService.m
+++ b/SignalServiceKit/src/Network/OWSSignalService.m
@@ -168,6 +168,8 @@ NSString *const kNSNotificationName_IsCensorshipCircumventionActiveDidChange =
     sessionManager.securityPolicy = [OWSHTTPSecurityPolicy sharedPolicy];
     sessionManager.requestSerializer = [AFJSONRequestSerializer serializer];
     sessionManager.responseSerializer = [AFJSONResponseSerializer serializer];
+    // Disable default cookie handling for all requests.
+    sessionManager.requestSerializer.HTTPShouldHandleCookies = NO;
 
     return sessionManager;
 }
@@ -186,6 +188,8 @@ NSString *const kNSNotificationName_IsCensorshipCircumventionActiveDidChange =
     sessionManager.requestSerializer = [AFJSONRequestSerializer serializer];
     [sessionManager.requestSerializer setValue:self.censorshipConfiguration.signalServiceReflectorHost forHTTPHeaderField:@"Host"];
     sessionManager.responseSerializer = [AFJSONResponseSerializer serializer];
+    // Disable default cookie handling for all requests.
+    sessionManager.requestSerializer.HTTPShouldHandleCookies = NO;
 
     return sessionManager;
 }
diff --git a/SignalServiceKit/src/Network/WebSockets/OWSWebSocket.h b/SignalServiceKit/src/Network/WebSockets/OWSWebSocket.h
index bd44ffe9c..8582a5791 100644
--- a/SignalServiceKit/src/Network/WebSockets/OWSWebSocket.h
+++ b/SignalServiceKit/src/Network/WebSockets/OWSWebSocket.h
@@ -8,11 +8,6 @@ static void *OWSWebSocketStateObservationContext = &OWSWebSocketStateObservation
 
 extern NSString *const kNSNotification_OWSWebSocketStateDidChange;
 
-typedef NS_ENUM(NSUInteger, OWSWebSocketType) {
-    OWSWebSocketTypeDefault,
-    OWSWebSocketTypeUD,
-};
-
 typedef NS_ENUM(NSUInteger, OWSWebSocketState) {
     OWSWebSocketStateClosed,
     OWSWebSocketStateConnecting,
@@ -29,8 +24,7 @@ typedef void (^TSSocketMessageFailure)(NSInteger statusCode, NSData *_Nullable r
 
 @property (nonatomic, readonly) OWSWebSocketState state;
 
-- (instancetype)init NS_UNAVAILABLE;
-- (instancetype)initWithWebSocketType:(OWSWebSocketType)webSocketType NS_DESIGNATED_INITIALIZER;
+- (instancetype)init NS_DESIGNATED_INITIALIZER;
 
 // If the app is in the foreground, we'll try to open the socket unless it's already
 // open or connecting.
diff --git a/SignalServiceKit/src/Network/WebSockets/OWSWebSocket.m b/SignalServiceKit/src/Network/WebSockets/OWSWebSocket.m
index 7b284baba..ea06c5272 100644
--- a/SignalServiceKit/src/Network/WebSockets/OWSWebSocket.m
+++ b/SignalServiceKit/src/Network/WebSockets/OWSWebSocket.m
@@ -143,21 +143,9 @@ NSString *const kNSNotification_OWSWebSocketStateDidChange = @"kNSNotification_O
 
 #pragma mark -
 
-NSString *NSStringFromOWSWebSocketType(OWSWebSocketType type)
-{
-    switch (type) {
-        case OWSWebSocketTypeDefault:
-            return @"Default";
-        case OWSWebSocketTypeUD:
-            return @"UD";
-    }
-}
-
 // OWSWebSocket's properties should only be accessed from the main thread.
 @interface OWSWebSocket () <SRWebSocketDelegate>
 
-@property (nonatomic) OWSWebSocketType webSocketType;
-
 // This class has a few "tiers" of state.
 //
 // The first tier is the actual websocket and the timers used
@@ -216,7 +204,7 @@ NSString *NSStringFromOWSWebSocketType(OWSWebSocketType type)
 
 @implementation OWSWebSocket
 
-- (instancetype)initWithWebSocketType:(OWSWebSocketType)webSocketType
+- (instancetype)init
 {
     self = [super init];
 
@@ -226,7 +214,6 @@ NSString *NSStringFromOWSWebSocketType(OWSWebSocketType type)
 
     OWSAssertIsOnMainThread();
 
-    _webSocketType = webSocketType;
     _state = OWSWebSocketStateClosed;
     _socketMessageMap = [NSMutableDictionary new];
 
@@ -573,12 +560,11 @@ NSString *NSStringFromOWSWebSocketType(OWSWebSocketType type)
         [socketMessage didFailBeforeSending];
         return;
     }
-    OWSLogInfo(@"making request: %llu, %@: %@, jsonData.length: %zd, socketType: %@",
+    OWSLogInfo(@"making request: %llu, %@: %@, jsonData.length: %zd",
         socketMessage.requestId,
         request.HTTPMethod,
         requestPath,
-        jsonData.length,
-        NSStringFromOWSWebSocketType(self.webSocketType));
+        jsonData.length);
 
     const int64_t kSocketTimeoutSeconds = 10;
     __weak TSSocketMessage *weakSocketMessage = socketMessage;
@@ -650,7 +636,7 @@ NSString *NSStringFromOWSWebSocketType(OWSWebSocketType type)
 
             [socketMessage didSucceedWithResponseObject:responseObject];
         } else {
-            if (responseStatus == 403 && self.webSocketType == OWSWebSocketTypeDefault) {
+            if (responseStatus == 403) {
                 // This should be redundant with our check for the socket
                 // failing due to 403, but let's be thorough.
                 [self.tsAccountManager setIsDeregistered:YES];
@@ -718,7 +704,7 @@ NSString *NSStringFromOWSWebSocketType(OWSWebSocketType type)
 
     if ([error.domain isEqualToString:SRWebSocketErrorDomain] && error.code == 2132) {
         NSNumber *_Nullable statusCode = error.userInfo[SRHTTPResponseErrorKey];
-        if (statusCode.unsignedIntegerValue == 403 && self.webSocketType == OWSWebSocketTypeDefault) {
+        if (statusCode.unsignedIntegerValue == 403) {
             [self.tsAccountManager setIsDeregistered:YES];
         }
     }
@@ -910,16 +896,9 @@ NSString *NSStringFromOWSWebSocketType(OWSWebSocketType type)
 
 - (NSString *)webSocketAuthenticationString
 {
-    switch (self.webSocketType) {
-        case OWSWebSocketTypeUD:
-            // UD socket is unauthenticated.
-            return @"";
-        case OWSWebSocketTypeDefault:
-            return
-                [NSString stringWithFormat:@"?login=%@&password=%@",
-                          [[TSAccountManager localNumber] stringByReplacingOccurrencesOfString:@"+" withString:@"%2B"],
-                          [TSAccountManager serverAuthToken]];
-    }
+    return [NSString stringWithFormat:@"?login=%@&password=%@",
+                     [[TSAccountManager localNumber] stringByReplacingOccurrencesOfString:@"+" withString:@"%2B"],
+                     [TSAccountManager serverAuthToken]];
 }
 
 #pragma mark - Socket LifeCycle
@@ -1149,9 +1128,7 @@ NSString *NSStringFromOWSWebSocketType(OWSWebSocketType type)
 {
     OWSAssertIsOnMainThread();
 
-    if (self.webSocketType == OWSWebSocketTypeDefault) {
-        [self cycleSocket];
-    }
+    [self cycleSocket];
 }
 
 @end
diff --git a/SignalServiceKit/src/Network/WebSockets/TSSocketManager.h b/SignalServiceKit/src/Network/WebSockets/TSSocketManager.h
index 6d729cd56..28e17d17f 100644
--- a/SignalServiceKit/src/Network/WebSockets/TSSocketManager.h
+++ b/SignalServiceKit/src/Network/WebSockets/TSSocketManager.h
@@ -39,10 +39,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 #pragma mark - Message Sending
 
-- (BOOL)canMakeRequestsOfType:(OWSWebSocketType)webSocketType;
+- (BOOL)canMakeRequests;
 
 - (void)makeRequest:(TSRequest *)request
-      webSocketType:(OWSWebSocketType)webSocketType
             success:(TSSocketMessageSuccess)success
             failure:(TSSocketMessageFailure)failure;
 
diff --git a/SignalServiceKit/src/Network/WebSockets/TSSocketManager.m b/SignalServiceKit/src/Network/WebSockets/TSSocketManager.m
index fc1cb5a3b..cd255a3cd 100644
--- a/SignalServiceKit/src/Network/WebSockets/TSSocketManager.m
+++ b/SignalServiceKit/src/Network/WebSockets/TSSocketManager.m
@@ -9,8 +9,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface TSSocketManager ()
 
-@property (nonatomic) OWSWebSocket *websocketDefault;
-@property (nonatomic) OWSWebSocket *websocketUD;
+@property (nonatomic) OWSWebSocket *websocket;
 
 @end
 
@@ -28,8 +27,7 @@ NS_ASSUME_NONNULL_BEGIN
 
     OWSAssertIsOnMainThread();
 
-    _websocketDefault = [[OWSWebSocket alloc] initWithWebSocketType:OWSWebSocketTypeDefault];
-    _websocketUD = [[OWSWebSocket alloc] initWithWebSocketType:OWSWebSocketTypeUD];
+    _websocket = [[OWSWebSocket alloc] init];
 
     OWSSingletonAssert();
 
@@ -48,51 +46,31 @@ NS_ASSUME_NONNULL_BEGIN
     return SSKEnvironment.shared.socketManager;
 }
 
-- (OWSWebSocket *)webSocketOfType:(OWSWebSocketType)webSocketType
+- (BOOL)canMakeRequests
 {
-    switch (webSocketType) {
-        case OWSWebSocketTypeDefault:
-            return self.websocketDefault;
-        case OWSWebSocketTypeUD:
-            return self.websocketUD;
-    }
-}
-
-- (BOOL)canMakeRequestsOfType:(OWSWebSocketType)webSocketType
-{
-    return [self webSocketOfType:webSocketType].canMakeRequests;
+    return self.websocket.canMakeRequests;
 }
 
 - (void)makeRequest:(TSRequest *)request
-      webSocketType:(OWSWebSocketType)webSocketType
             success:(TSSocketMessageSuccess)success
             failure:(TSSocketMessageFailure)failure
 {
-    [[self webSocketOfType:webSocketType] makeRequest:request success:success failure:failure];
+    [self.websocket makeRequest:request success:success failure:failure];
 }
 
 - (void)requestSocketOpen
 {
-    [self.websocketDefault requestSocketOpen];
-    [self.websocketUD requestSocketOpen];
+    [self.websocket requestSocketOpen];
 }
 
 - (void)cycleSocket
 {
-    [self.websocketDefault cycleSocket];
-    [self.websocketUD cycleSocket];
+    [self.websocket cycleSocket];
 }
 
 - (OWSWebSocketState)highestSocketState
 {
-    if (self.websocketDefault.state == OWSWebSocketStateOpen || self.websocketUD.state == OWSWebSocketStateOpen) {
-        return OWSWebSocketStateOpen;
-    } else if (self.websocketDefault.state == OWSWebSocketStateConnecting
-        || self.websocketUD.state == OWSWebSocketStateConnecting) {
-        return OWSWebSocketStateConnecting;
-    } else {
-        return OWSWebSocketStateClosed;
-    }
+    return self.websocket.state;
 }
 
 @end