diff --git a/include/wx/wxcrt.h b/include/wx/wxcrt.h
index dbf556310c..2cbd853ecf 100644
--- a/include/wx/wxcrt.h
+++ b/include/wx/wxcrt.h
@@ -905,7 +905,9 @@ WX_STRTOX_FUNC(wxULongLong_t, wxStrtoull, wxCRT_StrtoullA, wxCRT_StrtoullW)
 
 #undef WX_STRTOX_FUNC
 
-
+// ios doesn't export system starting from iOS 11 anymore and usage was critical before
+#if defined(__WXOSX__) && wxOSX_USE_IPHONE
+#else
 // mingw32 doesn't provide _tsystem() even though it provides other stdlib.h
 // functions in their wide versions
 #ifdef wxCRT_SystemW
@@ -913,6 +915,7 @@ inline int wxSystem(const wxString& str) { return wxCRT_SystemW(str.wc_str()); }
 #else
 inline int wxSystem(const wxString& str) { return wxCRT_SystemA(str.mb_str()); }
 #endif
+#endif
 
 inline char* wxGetenv(const char *name) { return wxCRT_GetenvA(name); }
 inline wchar_t* wxGetenv(const wchar_t *name) { return wxCRT_GetenvW(name); }
diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp
index 6dd2e9927e..15c0f9e642 100644
--- a/src/unix/utilsunx.cpp
+++ b/src/unix/utilsunx.cpp
@@ -247,6 +247,10 @@ int wxKill(long pid, wxSignal sig, wxKillError *rc, int flags)
 // Shutdown or reboot the PC
 bool wxShutdown(int flags)
 {
+#if defined(__WXOSX__) && wxOSX_USE_IPHONE
+    wxUnusedVar(flags);
+    return false;
+#else
     flags &= ~wxSHUTDOWN_FORCE;
 
     wxChar level;
@@ -270,6 +274,7 @@ bool wxShutdown(int flags)
     }
 
     return system(wxString::Format("init %c", level).mb_str()) == 0;
+#endif
 }
 
 // ----------------------------------------------------------------------------