diff --git a/NearbyShare/Connection/InboundNearbyConnection.swift b/NearbyShare/Connection/InboundNearbyConnection.swift
index 9008348..12417fa 100644
--- a/NearbyShare/Connection/InboundNearbyConnection.swift
+++ b/NearbyShare/Connection/InboundNearbyConnection.swift
@@ -27,8 +27,8 @@ class InboundNearbyConnection: NearbyConnection {
     private var textPayloadID: Int64 = 0
     private var isPlainTextTransfer = false
     
-    public var wasRejected = false
-    public var delegate: InboundNearbyConnectionDelegate?
+    var wasRejected = false
+    var delegate: InboundNearbyConnectionDelegate?
 
     enum State {
         case initial, receivedConnectionRequest, sentUkeyServerInit, receivedUkeyClientFinish, sentConnectionResponse, sentPairedKeyResult, receivedPairedKeyResult, waitingForUserConsent, receivingFiles, disconnected
@@ -300,7 +300,6 @@ class InboundNearbyConnection: NearbyConnection {
 
         let domain = Domain.instance(curve: .EC256r1)
         let (pubKey, privKey) = domain.makeKeyPair()
-        publicKey = pubKey
         privateKey = privKey
 
         var serverInit = Securegcm_Ukey2ServerInit()
diff --git a/NearbyShare/Connection/NearbyConnection.swift b/NearbyShare/Connection/NearbyConnection.swift
index e75f1df..e31567f 100644
--- a/NearbyShare/Connection/NearbyConnection.swift
+++ b/NearbyShare/Connection/NearbyConnection.swift
@@ -40,7 +40,6 @@ class NearbyConnection {
     private let timeoutInterval: TimeInterval = 30
     
     // UKEY2-related state
-    var publicKey: ECPublicKey?
     var privateKey: ECPrivateKey?
     var ukeyClientInitMsgData: Data?
     var ukeyServerInitMsgData: Data?
diff --git a/NearbyShare/Connection/NearbyConnectionManager.swift b/NearbyShare/Connection/NearbyConnectionManager.swift
index 0016ca0..a7be723 100644
--- a/NearbyShare/Connection/NearbyConnectionManager.swift
+++ b/NearbyShare/Connection/NearbyConnectionManager.swift
@@ -27,11 +27,9 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     private var startedDeviceDiscovery = false
     private var browsers: [NWBrowser] = []
     private let serviceTypes = ["_FC9F5ED42C8A._tcp."]
-    private var qrCodePublicKey: ECPublicKey?
     private var qrCodePrivateKey: ECPrivateKey?
     private var qrCodeAdvertisingToken: Data?
     private var qrCodeNameEncryptionKey: SymmetricKey?
-    private var qrCodeData: Data?
 
     public let endpointID: [UInt8] = generateEndpointID()
     public var mainAppDelegate: (any MainAppDelegate)?
@@ -302,7 +300,6 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     public func generateQrCodeKey() -> String{
         let domain = Domain.instance(curve: .EC256r1)
         let (pubKey, privKey) = domain.makeKeyPair()
-        qrCodePublicKey = pubKey
         qrCodePrivateKey = privKey
         var keyData = Data()
         keyData.append(contentsOf: [0, 0, 2])
@@ -313,7 +310,6 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
         let ikm = SymmetricKey(data: keyData)
         qrCodeAdvertisingToken = HKDF.deriveKey(ikm: ikm, salt: Data(), info: "advertisingContext".data(using: .utf8)!, outputLength: 16).data()
         qrCodeNameEncryptionKey = HKDF.deriveKey(ikm: ikm, salt: Data(), info: "encryptionKey".data(using: .utf8)!, outputLength: 16)
-        qrCodeData = keyData
         
         return keyData.urlSafeBase64EncodedString()
     }
diff --git a/NearbyShare/Connection/OutboundNearbyConnection.swift b/NearbyShare/Connection/OutboundNearbyConnection.swift
index 6511b36..6ac0fbf 100644
--- a/NearbyShare/Connection/OutboundNearbyConnection.swift
+++ b/NearbyShare/Connection/OutboundNearbyConnection.swift
@@ -185,7 +185,6 @@ class OutboundNearbyConnection: NearbyConnection {
     private func sendUkey2ClientInit() throws {
         let domain = Domain.instance(curve: .EC256r1)
         let (pubKey, privKey) = domain.makeKeyPair()
-        publicKey = pubKey
         privateKey = privKey
 
         var finishFrame = Securegcm_Ukey2Message()
diff --git a/QuickDrop.xcodeproj/project.pbxproj b/QuickDrop.xcodeproj/project.pbxproj
index 78afd6b..09ed309 100644
--- a/QuickDrop.xcodeproj/project.pbxproj
+++ b/QuickDrop.xcodeproj/project.pbxproj
@@ -810,6 +810,7 @@
 				);
 				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = "${SHARED_VERSION}";
+				OTHER_SWIFT_FLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.leonboettger.neardrop.ShareExtension;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -842,6 +843,7 @@
 				);
 				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = "${SHARED_VERSION}";
+				OTHER_SWIFT_FLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.leonboettger.neardrop.ShareExtension;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -1012,6 +1014,7 @@
 				);
 				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = "${SHARED_VERSION}";
+				OTHER_SWIFT_FLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.leonboettger.neardrop;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -1052,6 +1055,7 @@
 				);
 				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = "${SHARED_VERSION}";
+				OTHER_SWIFT_FLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.leonboettger.neardrop;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
@@ -1086,6 +1090,7 @@
 				);
 				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = 1.0;
+				OTHER_SWIFT_FLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.leonboettger.neardrop;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
@@ -1123,6 +1128,7 @@
 				);
 				MACOSX_DEPLOYMENT_TARGET = 11.0;
 				MARKETING_VERSION = 1.0;
+				OTHER_SWIFT_FLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.leonboettger.neardrop;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
diff --git a/QuickDrop/AppDelegate.swift b/QuickDrop/AppDelegate.swift
index 3746c76..b1987a2 100644
--- a/QuickDrop/AppDelegate.swift
+++ b/QuickDrop/AppDelegate.swift
@@ -121,7 +121,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
               welcomeWindow = nil
               NSApp.setActivationPolicy(.accessory)
           }
-      }
+    }
     
     
     func applicationShouldHandleReopen(_: NSApplication, hasVisibleWindows _: Bool) -> Bool {