diff --git a/SignalMetadataKit/src/ECPublicKey.swift b/SignalMetadataKit/src/ECPublicKey.swift
index a27d985..cbab429 100644
--- a/SignalMetadataKit/src/ECPublicKey.swift
+++ b/SignalMetadataKit/src/ECPublicKey.swift
@@ -43,7 +43,7 @@ import Foundation
 
     @objc public var serialized: Data {
         let typeBytes = [ECPublicKey.keyTypeDJB]
-        let typeData = Data(bytes: typeBytes)
+        let typeData = Data(typeBytes)
         return NSData.join([typeData, keyData])
     }
 
diff --git a/SignalMetadataKit/src/SMKUnidentifiedSenderMessage.swift b/SignalMetadataKit/src/SMKUnidentifiedSenderMessage.swift
index 5592d2e..6cd4a67 100644
--- a/SignalMetadataKit/src/SMKUnidentifiedSenderMessage.swift
+++ b/SignalMetadataKit/src/SMKUnidentifiedSenderMessage.swift
@@ -86,7 +86,7 @@ import Foundation
     @objc public func serialized() throws -> Data {
         let versionByte: UInt8 = UInt8((self.cipherTextVersion << 4 | self.cipherTextVersion) & 0xFF)
         let versionBytes = [versionByte]
-        let versionData = Data(bytes: versionBytes)
+        let versionData = Data(versionBytes)
         let messageData = try toProto().serializedData()
 
         return NSData.join([versionData, messageData])