diff --git a/src/print_status_panel.cpp b/src/print_status_panel.cpp
index 91c970e..fe8c508 100644
--- a/src/print_status_panel.cpp
+++ b/src/print_status_panel.cpp
@@ -22,7 +22,7 @@ LV_IMG_DECLARE(cancel);
 LV_IMG_DECLARE(emergency);
 LV_IMG_DECLARE(back);
 
-constexpr double pi() { return std::atan(1)*4; }
+double pi() { return std::atan(1)*4; }
 
 PrintStatusPanel::PrintStatusPanel(KWebSocketClient &websocket_client,
 				   std::mutex &lock,
diff --git a/src/setting_panel.cpp b/src/setting_panel.cpp
index 8a6384d..da53c49 100644
--- a/src/setting_panel.cpp
+++ b/src/setting_panel.cpp
@@ -24,7 +24,9 @@ LV_IMG_DECLARE(print);
 SettingPanel::SettingPanel(KWebSocketClient &c, std::mutex &l, lv_obj_t *parent, SpoolmanPanel &sm)
   : ws(c)
   , cont(lv_obj_create(parent))
+#ifndef OS_ANDROID
   , wifi_panel(l)
+#endif
   , sysinfo_panel()
   , spoolman_panel(sm)
   , wifi_btn(cont, &network_img, "WIFI", &SettingPanel::_handle_callback, this)
@@ -44,6 +46,9 @@ SettingPanel::SettingPanel(KWebSocketClient &c, std::mutex &l, lv_obj_t *parent,
   lv_obj_set_size(cont, LV_PCT(100), LV_PCT(100));
 
   spoolman_btn.disable();
+#ifdef OS_ANDROID
+  wifi_btn.disable();
+#endif
 
   static lv_coord_t grid_main_row_dsc[] = {LV_GRID_FR(2), LV_GRID_FR(5), LV_GRID_FR(5), LV_GRID_TEMPLATE_LAST};
   static lv_coord_t grid_main_col_dsc[] = {LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1),
@@ -82,7 +87,9 @@ void SettingPanel::handle_callback(lv_event_t *event) {
 
     if (btn == wifi_btn.get_container()) {
       spdlog::trace("wifi pressed");
+#ifndef OS_ANDROID
       wifi_panel.foreground();
+#endif
     } else if (btn == sysinfo_btn.get_container()) {
       spdlog::trace("setting system info pressed");
       sysinfo_panel.foreground();
diff --git a/src/setting_panel.h b/src/setting_panel.h
index f31e189..ed58186 100644
--- a/src/setting_panel.h
+++ b/src/setting_panel.h
@@ -1,7 +1,12 @@
 #ifndef __SETTING_PANEL_H__
 #define __SETTING_PANEL_H__
 
+#include "platform.h"
+
+#ifndef OS_ANDROID
 #include "wifi_panel.h"
+#endif
+
 #include "sysinfo_panel.h"
 #include "spoolman_panel.h"
 #include "printer_select_panel.h"
@@ -29,7 +34,11 @@ class SettingPanel {
  private:
   KWebSocketClient &ws;
   lv_obj_t *cont;
+
+#ifndef OS_ANDROID
   WifiPanel wifi_panel;
+#endif
+
   SysInfoPanel sysinfo_panel;
   SpoolmanPanel &spoolman_panel;
   PrinterSelectPanel printer_select_panel;
diff --git a/src/websocket_client.cpp b/src/websocket_client.cpp
index a9a9379..8e3585b 100644
--- a/src/websocket_client.cpp
+++ b/src/websocket_client.cpp
@@ -18,7 +18,7 @@
 using namespace hv;
 using json = nlohmann::json;
 
-KWebSocketClient::KWebSocketClient(EventLoopPtr loop = NULL)
+KWebSocketClient::KWebSocketClient(EventLoopPtr loop)
   : WebSocketClient(loop)
   , id(0)
 {