diff --git a/sample/composeApp/src/androidMain/kotlin/dev/darkokoa/datetimewheelpicker/App.android.kt b/sample/composeApp/src/androidMain/kotlin/dev/darkokoa/datetimewheelpicker/App.android.kt
index 18e850b..aad08da 100644
--- a/sample/composeApp/src/androidMain/kotlin/dev/darkokoa/datetimewheelpicker/App.android.kt
+++ b/sample/composeApp/src/androidMain/kotlin/dev/darkokoa/datetimewheelpicker/App.android.kt
@@ -26,13 +26,3 @@ class AppActivity : ComponentActivity() {
     }
   }
 }
-
-internal actual fun openUrl(url: String?) {
-  val uri = url?.let { Uri.parse(it) } ?: return
-  val intent = Intent().apply {
-    action = Intent.ACTION_VIEW
-    data = uri
-    addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-  }
-  AndroidApp.INSTANCE.startActivity(intent)
-}
\ No newline at end of file
diff --git a/sample/composeApp/src/androidMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.android.kt b/sample/composeApp/src/androidMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.android.kt
deleted file mode 100644
index d8769b5..0000000
--- a/sample/composeApp/src/androidMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.android.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-package dev.darkokoa.datetimewheelpicker.theme
-
-import android.app.Activity
-import android.graphics.Color
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.ui.platform.LocalView
-import androidx.core.view.WindowCompat
-
-@Composable
-internal actual fun SystemAppearance(isDark: Boolean) {
-  val view = LocalView.current
-  val systemBarColor = Color.TRANSPARENT
-  LaunchedEffect(isDark) {
-    val window = (view.context as Activity).window
-    WindowCompat.setDecorFitsSystemWindows(window, false)
-    window.statusBarColor = systemBarColor
-    window.navigationBarColor = systemBarColor
-    WindowCompat.getInsetsController(window, window.decorView).apply {
-      isAppearanceLightStatusBars = isDark
-      isAppearanceLightNavigationBars = isDark
-    }
-  }
-}
\ No newline at end of file
diff --git a/sample/composeApp/src/commonMain/kotlin/dev/darkokoa/datetimewheelpicker/App.kt b/sample/composeApp/src/commonMain/kotlin/dev/darkokoa/datetimewheelpicker/App.kt
index f3c4644..7c5de84 100644
--- a/sample/composeApp/src/commonMain/kotlin/dev/darkokoa/datetimewheelpicker/App.kt
+++ b/sample/composeApp/src/commonMain/kotlin/dev/darkokoa/datetimewheelpicker/App.kt
@@ -67,5 +67,3 @@ internal fun App() = AppTheme {
     }
   }
 }
-
-internal expect fun openUrl(url: String?)
\ No newline at end of file
diff --git a/sample/composeApp/src/commonMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.kt b/sample/composeApp/src/commonMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.kt
index 89a45ff..bce488e 100644
--- a/sample/composeApp/src/commonMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.kt
+++ b/sample/composeApp/src/commonMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.kt
@@ -60,7 +60,6 @@ internal fun AppTheme(
     LocalThemeIsDark provides isDarkState
   ) {
     val isDark by isDarkState
-    SystemAppearance(!isDark)
     MaterialTheme(
       colorScheme = if (isDark) DarkColorScheme else LightColorScheme,
       typography = AppTypography,
@@ -71,6 +70,3 @@ internal fun AppTheme(
     )
   }
 }
-
-@Composable
-internal expect fun SystemAppearance(isDark: Boolean)
diff --git a/sample/composeApp/src/iosMain/kotlin/dev/darkokoa/datetimewheelpicker/App.ios.kt b/sample/composeApp/src/iosMain/kotlin/dev/darkokoa/datetimewheelpicker/App.ios.kt
deleted file mode 100644
index 740b3c1..0000000
--- a/sample/composeApp/src/iosMain/kotlin/dev/darkokoa/datetimewheelpicker/App.ios.kt
+++ /dev/null
@@ -1,9 +0,0 @@
-package dev.darkokoa.datetimewheelpicker
-
-import platform.Foundation.NSURL
-import platform.UIKit.UIApplication
-
-internal actual fun openUrl(url: String?) {
-  val nsUrl = url?.let { NSURL.URLWithString(it) } ?: return
-  UIApplication.sharedApplication.openURL(nsUrl)
-}
\ No newline at end of file
diff --git a/sample/composeApp/src/iosMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.ios.kt b/sample/composeApp/src/iosMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.ios.kt
deleted file mode 100644
index 289b69c..0000000
--- a/sample/composeApp/src/iosMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.ios.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-package dev.darkokoa.datetimewheelpicker.theme
-
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import platform.UIKit.UIApplication
-import platform.UIKit.UIStatusBarStyleDarkContent
-import platform.UIKit.UIStatusBarStyleLightContent
-import platform.UIKit.setStatusBarStyle
-
-@Composable
-internal actual fun SystemAppearance(isDark: Boolean) {
-  LaunchedEffect(isDark) {
-    UIApplication.sharedApplication.setStatusBarStyle(
-      if (isDark) UIStatusBarStyleDarkContent else UIStatusBarStyleLightContent
-    )
-  }
-}
\ No newline at end of file
diff --git a/sample/composeApp/src/jsMain/kotlin/dev/darkokoa/datetimewheelpicker/App.js.kt b/sample/composeApp/src/jsMain/kotlin/dev/darkokoa/datetimewheelpicker/App.js.kt
deleted file mode 100644
index 9a3fafa..0000000
--- a/sample/composeApp/src/jsMain/kotlin/dev/darkokoa/datetimewheelpicker/App.js.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package dev.darkokoa.datetimewheelpicker
-
-import kotlinx.browser.window
-
-internal actual fun openUrl(url: String?) {
-  url?.let { window.open(it) }
-}
\ No newline at end of file
diff --git a/sample/composeApp/src/jsMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.js.kt b/sample/composeApp/src/jsMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.js.kt
deleted file mode 100644
index 7ee49c1..0000000
--- a/sample/composeApp/src/jsMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.js.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package dev.darkokoa.datetimewheelpicker.theme
-
-import androidx.compose.runtime.Composable
-
-@Composable
-internal actual fun SystemAppearance(isDark: Boolean) {
-}
\ No newline at end of file
diff --git a/sample/composeApp/src/jvmMain/kotlin/dev/darkokoa/datetimewheelpicker/App.jvm.kt b/sample/composeApp/src/jvmMain/kotlin/dev/darkokoa/datetimewheelpicker/App.jvm.kt
deleted file mode 100644
index 96e2cd2..0000000
--- a/sample/composeApp/src/jvmMain/kotlin/dev/darkokoa/datetimewheelpicker/App.jvm.kt
+++ /dev/null
@@ -1,9 +0,0 @@
-package dev.darkokoa.datetimewheelpicker
-
-import java.awt.Desktop
-import java.net.URI
-
-internal actual fun openUrl(url: String?) {
-  val uri = url?.let { URI.create(it) } ?: return
-  Desktop.getDesktop().browse(uri)
-}
\ No newline at end of file
diff --git a/sample/composeApp/src/jvmMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.jvm.kt b/sample/composeApp/src/jvmMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.jvm.kt
deleted file mode 100644
index 7ee49c1..0000000
--- a/sample/composeApp/src/jvmMain/kotlin/dev/darkokoa/datetimewheelpicker/theme/Theme.jvm.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package dev.darkokoa.datetimewheelpicker.theme
-
-import androidx.compose.runtime.Composable
-
-@Composable
-internal actual fun SystemAppearance(isDark: Boolean) {
-}
\ No newline at end of file