diff --git a/flutter-kmp/build.gradle.kts b/flutter-kmp/build.gradle.kts
index 3cd0316..87e0eaa 100644
--- a/flutter-kmp/build.gradle.kts
+++ b/flutter-kmp/build.gradle.kts
@@ -32,6 +32,7 @@ kotlin {
 
     cocoapods {
         pod("Flutter")
+        ios.deploymentTarget = "11.0"
         noPodspec()
     }
 
diff --git a/flutter-kmp/src/androidMain/kotlin/de/voize/flutterkmp/utils.kt b/flutter-kmp/src/androidMain/kotlin/de/voize/flutterkmp/EventStreamHandlerUtils.kt
similarity index 78%
rename from flutter-kmp/src/androidMain/kotlin/de/voize/flutterkmp/utils.kt
rename to flutter-kmp/src/androidMain/kotlin/de/voize/flutterkmp/EventStreamHandlerUtils.kt
index a3b8d52..5a5eb9f 100644
--- a/flutter-kmp/src/androidMain/kotlin/de/voize/flutterkmp/utils.kt
+++ b/flutter-kmp/src/androidMain/kotlin/de/voize/flutterkmp/EventStreamHandlerUtils.kt
@@ -3,14 +3,8 @@ package de.voize.flutterkmp
 import kotlinx.coroutines.flow.Flow
 import io.flutter.plugin.common.EventChannel
 import kotlinx.coroutines.*
-import kotlinx.serialization.KSerializer
 import kotlinx.serialization.SerializationStrategy
-import kotlinx.serialization.descriptors.SerialDescriptor
-import kotlinx.serialization.descriptors.buildClassSerialDescriptor
-import kotlinx.serialization.encoding.Decoder
-import kotlinx.serialization.encoding.Encoder
 import kotlinx.serialization.json.*
-import kotlinx.serialization.modules.serializersModuleOf
 import kotlinx.serialization.serializer
 
 inline fun <reified T> Flow<T>.toEventStreamHandler(): EventChannel.StreamHandler =
diff --git a/flutter-kmp/src/iosMain/kotlin/utils.kt b/flutter-kmp/src/iosMain/kotlin/EventStreamHandlerUtils.kt
similarity index 100%
rename from flutter-kmp/src/iosMain/kotlin/utils.kt
rename to flutter-kmp/src/iosMain/kotlin/EventStreamHandlerUtils.kt