diff --git a/data/src/commonMain/kotlin/com/wire/kalium/logic/data/call/CallClient.kt b/data/src/commonMain/kotlin/com/wire/kalium/logic/data/call/CallClient.kt
index 0c2f3bb9b79..7545545157e 100644
--- a/data/src/commonMain/kotlin/com/wire/kalium/logic/data/call/CallClient.kt
+++ b/data/src/commonMain/kotlin/com/wire/kalium/logic/data/call/CallClient.kt
@@ -18,55 +18,21 @@
 
 package com.wire.kalium.logic.data.call
 
-import com.wire.kalium.util.serialization.LenientJsonSerializer
-import kotlinx.serialization.ExperimentalSerializationApi
-import kotlinx.serialization.KSerializer
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
-import kotlinx.serialization.descriptors.PrimitiveKind
-import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
-import kotlinx.serialization.descriptors.SerialDescriptor
-import kotlinx.serialization.descriptors.nullable
-import kotlinx.serialization.encoding.Decoder
-import kotlinx.serialization.encoding.Encoder
+import kotlinx.serialization.json.Json
 
 @Serializable
 data class CallClient(
     @SerialName("userid") val userId: String,
     @SerialName("clientid") val clientId: String,
-    @SerialName("in_subconv") val isMemberOfSubconversation: Boolean = false,
-    @SerialName("quality")
-    @Serializable(with = CallQuality.CallQualityAsIntSerializer::class)
-    val quality: CallQuality = CallQuality.LOW
+    @SerialName("in_subconv") val isMemberOfSubconversation: Boolean = false
 )
 
 @Serializable
 data class CallClientList(
     @SerialName("clients") val clients: List<CallClient>
 ) {
-    fun toJsonString(): String = LenientJsonSerializer.json.encodeToString(serializer(), this)
-}
-
-enum class CallQuality {
-    ANY,
-    LOW,
-    HIGH;
-
-    data object CallQualityAsIntSerializer : KSerializer<CallQuality> {
-        override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("quality", PrimitiveKind.INT).nullable
-
-        override fun serialize(encoder: Encoder, value: CallQuality) {
-            encoder.encodeInt(value.ordinal)
-        }
-
-        @OptIn(ExperimentalSerializationApi::class)
-        override fun deserialize(decoder: Decoder): CallQuality {
-            val value = if (decoder.decodeNotNullMark()) decoder.decodeInt() else 0
-            return when (value) {
-                1 -> LOW
-                2 -> HIGH
-                else -> ANY
-            }
-        }
-    }
+    // TODO(optimization): Use a shared Json instance instead of creating one every time.
+    fun toJsonString(): String = Json { isLenient = true }.encodeToString(serializer(), this)
 }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6c3b94a0f59..9060b93e117 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ activity-compose = "1.9.0"
 app-compat = "1.6.1"
 android-paging3 = "3.2.1"
 cli-kt = "3.5.0"
-coroutines = "1.8.1"
+coroutines = "1.8.0"
 compose-compiler = "1.5.13"
 compose-ui = "1.6.6"
 compose-material = "1.6.6"
@@ -17,12 +17,12 @@ okio = "3.9.0"
 ok-http = "4.12.0"
 mockative = "2.2.0"
 android-work = "2.9.0"
-android-test-runner = "1.6.2"
-android-test-core-ktx = "1.6.1"
-android-test-rules = "1.6.1"
-android-test-core = "1.6.1"
+android-test-runner = "1.5.2"
+android-test-core-ktx = "1.5.0"
+android-test-rules = "1.5.0"
+android-test-core = "1.5.0"
 androidx-arch = "2.2.0"
-androidx-test-orchestrator = "1.5.1"
+androidx-test-orchestrator = "1.4.2"
 androidx-sqlite = "2.4.0"
 benasher-uuid = "0.8.0"
 ktx-datetime = { strictly = "0.5.0" }
@@ -37,12 +37,12 @@ sqldelight = "2.0.1"
 sqlcipher-android = "4.5.6"
 pbandk = "0.14.2"
 turbine = "1.1.0"
-avs = "10.0.1"
+avs = "9.10.16"
 jna = "5.14.0"
 core-crypto = "2.0.0"
 core-crypto-multiplatform = "0.6.0-rc.3-multiplatform-pre1"
 completeKotlin = "1.1.0"
-desugar-jdk = "2.1.3"
+desugar-jdk = "2.0.4"
 kermit = "2.0.3"
 detekt = "1.23.6"
 agp = "8.5.2"
@@ -50,7 +50,7 @@ dokka = "1.8.20"
 carthage = "0.0.1"
 libsodiumBindings = "0.8.7"
 protobufCodegen = "0.9.4"
-annotation = "1.9.1"
+annotation = "1.7.1"
 mordant = "2.0.0-beta13"
 apache-tika = "2.9.2"
 mockk = "1.13.10"
diff --git a/logic/src/commonJvmAndroid/kotlin/com/wire/kalium/logic/feature/call/CallManagerImpl.kt b/logic/src/commonJvmAndroid/kotlin/com/wire/kalium/logic/feature/call/CallManagerImpl.kt
index 90244f7eb76..693c76d98f9 100644
--- a/logic/src/commonJvmAndroid/kotlin/com/wire/kalium/logic/feature/call/CallManagerImpl.kt
+++ b/logic/src/commonJvmAndroid/kotlin/com/wire/kalium/logic/feature/call/CallManagerImpl.kt
@@ -463,19 +463,14 @@ class CallManagerImpl internal constructor(
         callClients: CallClientList
     ) {
         withCalling {
-            // Mapping Needed to support calls between federated and non federated environments (domain separation)
+            // Needed to support calls between federated and non federated environments
             val clients = callClients.clients.map { callClient ->
                 CallClient(
-                    userId = federatedIdMapper.parseToFederatedId(callClient.userId),
-                    clientId = callClient.clientId,
-                    isMemberOfSubconversation = callClient.isMemberOfSubconversation,
-                    quality = callClient.quality
+                    federatedIdMapper.parseToFederatedId(callClient.userId),
+                    callClient.clientId
                 )
             }
             val clientsJson = CallClientList(clients).toJsonString()
-            callingLogger.d(
-                "$TAG - wcall_request_video_streams() called -> Requesting video streams for conversation = ${conversationId.toLogString()}"
-            )
             val conversationIdString = federatedIdMapper.parseToFederatedId(conversationId)
             calling.wcall_request_video_streams(
                 inst = it,
diff --git a/util/src/commonMain/kotlin/com.wire.kalium.util/serialization/LenientJsonSerializer.kt b/util/src/commonMain/kotlin/com.wire.kalium.util/serialization/LenientJsonSerializer.kt
deleted file mode 100644
index 3d6507cf8ff..00000000000
--- a/util/src/commonMain/kotlin/com.wire.kalium.util/serialization/LenientJsonSerializer.kt
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Wire
- * Copyright (C) 2024 Wire Swiss GmbH
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see http://www.gnu.org/licenses/.
- */
-package com.wire.kalium.util.serialization
-
-import kotlinx.serialization.json.Json
-
-/**
- * The json serializer for shared usage.
- */
-object LenientJsonSerializer {
-
-    val json = Json {
-        isLenient = true
-        encodeDefaults = true
-        ignoreUnknownKeys = true
-    }
-}