diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
index 860161f0..f7f341eb 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt
@@ -138,11 +138,6 @@ class MainActivity : ComponentActivity() {
             comDevChangedListener = AudioManager.OnCommunicationDeviceChangedListener { device ->
                 if (device != null) {
                     Log.d(TAG, "Com device changed to type ${device.type} in mode ${am.mode}")
-                    val speakerIcon = if (Utils.isSpeakerPhoneOn(am))
-                        R.drawable.speaker_on
-                    else
-                        R.drawable.speaker_off
-                    viewModel.updateSpeakerIcon(speakerIcon)
                 }
             }
             am.addOnCommunicationDeviceChangedListener(mainExecutor, comDevChangedListener)
diff --git a/app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt b/app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt
index bf7190c5..cd03bf68 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/MainScreen.kt
@@ -61,6 +61,7 @@ import androidx.compose.material.icons.filled.Menu
 import androidx.compose.material.icons.filled.Mic
 import androidx.compose.material.icons.filled.MicOff
 import androidx.compose.material.icons.filled.RecordVoiceOver
+import androidx.compose.material.icons.filled.SpeakerPhone
 import androidx.compose.material.icons.filled.VoiceOverOff
 import androidx.compose.material.icons.outlined.Clear
 import androidx.compose.material3.BasicAlertDialog
@@ -499,7 +500,6 @@ private fun TopAppBar(
     onQuitClick: () -> Unit
 ) {
     val ctx = LocalContext.current
-    val currentSpeakerIcon by viewModel.speakerIcon.collectAsState()
     val currentMicIcon by viewModel.micIcon.collectAsState()
 
     val am = ctx.getSystemService(Context.AUDIO_SERVICE) as AudioManager
@@ -507,6 +507,7 @@ private fun TopAppBar(
     val recOffImage = Icons.Filled.VoiceOverOff
     val recOnImage = Icons.Filled.RecordVoiceOver
     var recImage by remember { mutableStateOf(recOffImage) }
+    val isSpeakerOn = remember { mutableStateOf(Utils.isSpeakerPhoneOn(am)) }
 
     var menuExpanded by remember { mutableStateOf(false) }
 
@@ -605,23 +606,17 @@ private fun TopAppBar(
             Spacer(modifier = Modifier.width(16.dp))
 
             Icon(
-                imageVector = ImageVector.vectorResource(currentSpeakerIcon),
+                imageVector = Icons.Filled.SpeakerPhone,
                 modifier = Modifier
                     .size(40.dp)
                     .combinedClickable(
                         onClick = {
                             if (Build.VERSION.SDK_INT >= 31)
-                                Log.d(
-                                    TAG, "Toggling speakerphone when dev/mode is " +
-                                            "${am.communicationDevice!!.type}/${am.mode}"
+                                Log.d(TAG, "Toggling speakerphone when dev/mode is " +
+                                        "${am.communicationDevice!!.type}/${am.mode}"
                                 )
+                            isSpeakerOn.value = !Utils.isSpeakerPhoneOn(am)
                             Utils.toggleSpeakerPhone(ContextCompat.getMainExecutor(ctx), am)
-                            viewModel.updateSpeakerIcon(
-                                if (Utils.isSpeakerPhoneOn(am))
-                                    R.drawable.speaker_on
-                                else
-                                    R.drawable.speaker_off
-                            )
                         },
                         onLongClick = {
                             alertTitle.value = ctx.getString(R.string.speakerphone_title)
@@ -629,7 +624,7 @@ private fun TopAppBar(
                             showAlert.value = true
                         },
                     ),
-                tint = if (Utils.isSpeakerPhoneOn(am))
+                tint = if (isSpeakerOn.value)
                     MaterialTheme.colorScheme.error
                 else
                     MaterialTheme.colorScheme.onPrimary,
diff --git a/app/src/main/kotlin/com/tutpro/baresip/ViewModel.kt b/app/src/main/kotlin/com/tutpro/baresip/ViewModel.kt
index bea7f20e..df66292c 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/ViewModel.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/ViewModel.kt
@@ -69,13 +69,6 @@ class ViewModel(application: Application) : AndroidViewModel(application) {
         _hideKeyboard.intValue++
     }
 
-    private val _speakerIcon = MutableStateFlow(R.drawable.speaker_off)
-    val speakerIcon: StateFlow<Int> = _speakerIcon.asStateFlow()
-
-    fun updateSpeakerIcon(iconResId: Int) {
-        _speakerIcon.value = iconResId
-    }
-
     private val _micIcon = MutableStateFlow(Icons.Filled.Mic)
     val micIcon: StateFlow<ImageVector> = _micIcon.asStateFlow()
 
diff --git a/app/src/main/res/drawable/speaker_off.xml b/app/src/main/res/drawable/speaker_off.xml
deleted file mode 100644
index d91a9145..00000000
--- a/app/src/main/res/drawable/speaker_off.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector android:height="48dp"
-    android:viewportHeight="24.0" android:viewportWidth="24.0"
-    android:width="48dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="#FF000000" android:pathData="M7,7.07L8.43,8.5c0.91,-0.91 2.18,-1.48 3.57,-1.48s2.66,0.57 3.57,1.48L17,7.07C15.72,5.79 13.95,5 12,5s-3.72,0.79 -5,2.07zM12,1C8.98,1 6.24,2.23 4.25,4.21l1.41,1.41C7.28,4 9.53,3 12,3s4.72,1 6.34,2.62l1.41,-1.41C17.76,2.23 15.02,1 12,1zM14.86,10.01L9.14,10C8.51,10 8,10.51 8,11.14v9.71c0,0.63 0.51,1.14 1.14,1.14h5.71c0.63,0 1.14,-0.51 1.14,-1.14v-9.71c0.01,-0.63 -0.5,-1.13 -1.13,-1.13zM15,20L9,20v-8h6v8z"/>
-</vector>
diff --git a/app/src/main/res/drawable/speaker_on.xml b/app/src/main/res/drawable/speaker_on.xml
deleted file mode 100644
index d91a9145..00000000
--- a/app/src/main/res/drawable/speaker_on.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector android:height="48dp"
-    android:viewportHeight="24.0" android:viewportWidth="24.0"
-    android:width="48dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="#FF000000" android:pathData="M7,7.07L8.43,8.5c0.91,-0.91 2.18,-1.48 3.57,-1.48s2.66,0.57 3.57,1.48L17,7.07C15.72,5.79 13.95,5 12,5s-3.72,0.79 -5,2.07zM12,1C8.98,1 6.24,2.23 4.25,4.21l1.41,1.41C7.28,4 9.53,3 12,3s4.72,1 6.34,2.62l1.41,-1.41C17.76,2.23 15.02,1 12,1zM14.86,10.01L9.14,10C8.51,10 8,10.51 8,11.14v9.71c0,0.63 0.51,1.14 1.14,1.14h5.71c0.63,0 1.14,-0.51 1.14,-1.14v-9.71c0.01,-0.63 -0.5,-1.13 -1.13,-1.13zM15,20L9,20v-8h6v8z"/>
-</vector>