diff --git a/omnipod-dash/src/main/java/info/nightscout/androidaps/plugins/pump/omnipod/dash/driver/comm/endecrypt/EnDecrypt.kt b/omnipod-dash/src/main/java/info/nightscout/androidaps/plugins/pump/omnipod/dash/driver/comm/endecrypt/EnDecrypt.kt
index 23b7ae8054..48f07aa2ab 100644
--- a/omnipod-dash/src/main/java/info/nightscout/androidaps/plugins/pump/omnipod/dash/driver/comm/endecrypt/EnDecrypt.kt
+++ b/omnipod-dash/src/main/java/info/nightscout/androidaps/plugins/pump/omnipod/dash/driver/comm/endecrypt/EnDecrypt.kt
@@ -61,6 +61,6 @@ class EnDecrypt(private val aapsLogger: AAPSLogger, private val nonce: Nonce, pr
 
     companion object {
 
-        private val MAC_SIZE = 8
+        private const val MAC_SIZE = 8
     }
 }
diff --git a/omnipod-dash/src/main/java/info/nightscout/androidaps/plugins/pump/omnipod/dash/driver/comm/message/StringLengthPrefixEncoding.kt b/omnipod-dash/src/main/java/info/nightscout/androidaps/plugins/pump/omnipod/dash/driver/comm/message/StringLengthPrefixEncoding.kt
index 893ba05655..7c52b2694e 100644
--- a/omnipod-dash/src/main/java/info/nightscout/androidaps/plugins/pump/omnipod/dash/driver/comm/message/StringLengthPrefixEncoding.kt
+++ b/omnipod-dash/src/main/java/info/nightscout/androidaps/plugins/pump/omnipod/dash/driver/comm/message/StringLengthPrefixEncoding.kt
@@ -7,7 +7,7 @@ import java.nio.ByteBuffer
 /***
  *  String prefix and length encoding and decoding. Example message:
  */
-class StringLengthPrefixEncoding {
+class StringLengthPrefixEncoding private constructor() {
 
     companion object {