diff --git a/app/src/main/kotlin/com/tutpro/baresip/Call.kt b/app/src/main/kotlin/com/tutpro/baresip/Call.kt
index 1cd67137..de38f6d6 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Call.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Call.kt
@@ -31,7 +31,6 @@ class Call(val callp: Long, val ua: UserAgent, val peerUri: String, val dir: Str
     var callDuration: Int = 0
     val showSuggestions: MutableState<Boolean> = mutableStateOf(false)
     val showCallButton: MutableState<Boolean> = mutableStateOf(true)
-    val callButtonEnabled: MutableState<Boolean> = mutableStateOf(true)
     val showCancelButton: MutableState<Boolean> = mutableStateOf(false)
     val showAnswerRejectButtons: MutableState<Boolean> = mutableStateOf(false)
     val showHangupButton: MutableState<Boolean> = mutableStateOf(false)