diff --git a/service/src/main/java/com/github/kr328/clash/service/ClashCore.kt b/service/src/main/java/com/github/kr328/clash/service/ClashCore.kt
index a754a37..e13c789 100644
--- a/service/src/main/java/com/github/kr328/clash/service/ClashCore.kt
+++ b/service/src/main/java/com/github/kr328/clash/service/ClashCore.kt
@@ -17,10 +17,6 @@ import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.selects.select
 
 class ClashCore(private val service: Service) : CoroutineScope by MainScope() {
-    companion object {
-        private const val CALL_GC_PERIOD = 300
-    }
-
     private var stopReason: String? = null
     private val settings = ServiceSettings(service)
     private val database = ClashDatabase.getInstance(service)
@@ -72,7 +68,6 @@ class ClashCore(private val service: Service) : CoroutineScope by MainScope() {
 
         launch {
             val ticker = Channel<Unit>()
-            var refreshCount = 0
             var enableRefresh = settings.get(ServiceSettings.NOTIFICATION_REFRESH)
                     && service.getSystemService<PowerManager>()!!.isInteractive
 
@@ -97,13 +92,6 @@ class ClashCore(private val service: Service) : CoroutineScope by MainScope() {
                     if (enableRefresh) {
                         ticker.onReceive {
                             notification.update()
-
-                            refreshCount++
-
-                            if (refreshCount > CALL_GC_PERIOD) {
-                                refreshCount = 0
-                                System.gc()
-                            }
                         }
                     }
                 }