diff --git a/FloconAndroid/flocon/src/iosMain/kotlin/io/github/openflocon/flocon/websocket/FloconHttpClient.ios.kt b/FloconAndroid/flocon/src/iosMain/kotlin/io/github/openflocon/flocon/websocket/FloconHttpClient.ios.kt
index 45acf66b4..cd9fa5333 100644
--- a/FloconAndroid/flocon/src/iosMain/kotlin/io/github/openflocon/flocon/websocket/FloconHttpClient.ios.kt
+++ b/FloconAndroid/flocon/src/iosMain/kotlin/io/github/openflocon/flocon/websocket/FloconHttpClient.ios.kt
@@ -5,10 +5,11 @@ import io.github.openflocon.flocon.model.FloconFileInfo
 import io.ktor.client.HttpClient
 import io.ktor.client.engine.darwin.Darwin
 import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.plugins.defaultRequest
 import io.ktor.client.plugins.logging.LogLevel
 import io.ktor.client.plugins.logging.Logging
-import io.ktor.client.plugins.*
-import io.ktor.http.*
+import io.ktor.client.request.header
+import io.ktor.http.HttpHeaders
 import io.ktor.serialization.kotlinx.json.json
 import kotlinx.serialization.json.Json
 
diff --git a/FloconAndroid/flocon/src/iosMain/kotlin/io/github/openflocon/flocon/websocket/FloconWebSocketClient.ios.kt b/FloconAndroid/flocon/src/iosMain/kotlin/io/github/openflocon/flocon/websocket/FloconWebSocketClient.ios.kt
index a4a497283..b61edad10 100644
--- a/FloconAndroid/flocon/src/iosMain/kotlin/io/github/openflocon/flocon/websocket/FloconWebSocketClient.ios.kt
+++ b/FloconAndroid/flocon/src/iosMain/kotlin/io/github/openflocon/flocon/websocket/FloconWebSocketClient.ios.kt
@@ -2,12 +2,23 @@ package io.github.openflocon.flocon.websocket
 
 
 import io.github.openflocon.flocon.FloconLogger
-import io.ktor.client.*
+import io.ktor.client.HttpClient
 import io.ktor.client.engine.darwin.Darwin
-import io.ktor.client.plugins.*
-import io.ktor.http.*
-import io.ktor.websocket.*
-import kotlinx.coroutines.*
+import io.ktor.client.plugins.defaultRequest
+import io.ktor.client.plugins.websocket.DefaultClientWebSocketSession
+import io.ktor.client.plugins.websocket.WebSockets
+import io.ktor.client.plugins.websocket.webSocketSession
+import io.ktor.client.request.header
+import io.ktor.http.HttpHeaders
+import io.ktor.http.HttpMethod
+import io.ktor.websocket.CloseReason
+import io.ktor.websocket.Frame
+import io.ktor.websocket.close
+import io.ktor.websocket.readReason
+import io.ktor.websocket.readText
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 internal actual fun buildFloconWebSocketClient(): FloconWebSocketClient {
     return FloconWebSocketClientIOs()
diff --git a/FloconAndroid/flocon/src/jvmMain/kotlin/io/github/openflocon/flocon/websocket/FloconWebSocketClient.jvm.kt b/FloconAndroid/flocon/src/jvmMain/kotlin/io/github/openflocon/flocon/websocket/FloconWebSocketClient.jvm.kt
index b9478c03f..cf03ab0e1 100644
--- a/FloconAndroid/flocon/src/jvmMain/kotlin/io/github/openflocon/flocon/websocket/FloconWebSocketClient.jvm.kt
+++ b/FloconAndroid/flocon/src/jvmMain/kotlin/io/github/openflocon/flocon/websocket/FloconWebSocketClient.jvm.kt
@@ -1,14 +1,23 @@
 package io.github.openflocon.flocon.websocket
 
-
 import io.github.openflocon.flocon.FloconLogger
-import io.ktor.client.*
 import io.ktor.client.engine.cio.CIO
-import io.ktor.client.plugins.websocket.*
-import io.ktor.client.plugins.*
-import io.ktor.http.*
-import io.ktor.websocket.*
-import kotlinx.coroutines.*
+import io.ktor.client.HttpClient
+import io.ktor.client.plugins.defaultRequest
+import io.ktor.client.plugins.websocket.DefaultClientWebSocketSession
+import io.ktor.client.plugins.websocket.WebSockets
+import io.ktor.client.plugins.websocket.webSocketSession
+import io.ktor.client.request.header
+import io.ktor.http.HttpHeaders
+import io.ktor.http.HttpMethod
+import io.ktor.websocket.CloseReason
+import io.ktor.websocket.Frame
+import io.ktor.websocket.close
+import io.ktor.websocket.readReason
+import io.ktor.websocket.readText
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 internal actual fun buildFloconWebSocketClient(): FloconWebSocketClient {
     return FloconWebSocketClientJvm()