diff --git a/luci-app-mosdns/Makefile b/luci-app-mosdns/Makefile
index f76731f..13bb628 100644
--- a/luci-app-mosdns/Makefile
+++ b/luci-app-mosdns/Makefile
@@ -15,14 +15,6 @@ define Package/$(PKG_NAME)/conffiles
 /etc/mosdns/rule
 endef
 
-define Package/$(PKG_NAME)/postinst
-#!/bin/sh
-[ -n "${IPKG_INSTROOT}" ] || {
-	sysctl -p /etc/sysctl.d/20-mosdns-buffer-increase.conf
-	exit 0
-}
-endef
-
 include $(TOPDIR)/feeds/luci/luci.mk
 
 # call BuildPackage - OpenWrt buildroot signature
diff --git a/luci-app-mosdns/root/etc/init.d/mosdns b/luci-app-mosdns/root/etc/init.d/mosdns
index f683781..6de695e 100755
--- a/luci-app-mosdns/root/etc/init.d/mosdns
+++ b/luci-app-mosdns/root/etc/init.d/mosdns
@@ -188,6 +188,7 @@ start_service() {
         v2dat_dump >> $($MOSDNS_SCRIPT logfile) 2>&1
     fi
     procd_open_instance mosdns
+    procd_set_param env QUIC_GO_DISABLE_RECEIVE_BUFFER_WARNING=true
     procd_set_param command $PROG start -c "$CONF"
     procd_set_param user root
     procd_set_param stdout 1
diff --git a/luci-app-mosdns/root/etc/sysctl.d/20-mosdns-buffer-increase.conf b/luci-app-mosdns/root/etc/sysctl.d/20-mosdns-buffer-increase.conf
deleted file mode 100644
index 18f2527..0000000
--- a/luci-app-mosdns/root/etc/sysctl.d/20-mosdns-buffer-increase.conf
+++ /dev/null
@@ -1,5 +0,0 @@
-# Do not edit, changes to this file will be lost on upgrades
-# /etc/sysctl.conf can be used to customize sysctl settings
-
-net.core.rmem_max=4194304
-net.core.wmem_max=4194304