diff -uNr qt-everywhere-src-5.11.1/qtbase/src/corelib/global/qsystemdetection.h qt-everywhere-src-5.11.1.mod/qtbase/src/corelib/global/qsystemdetection.h
--- qt-everywhere-src-5.11.1/qtbase/src/corelib/global/qsystemdetection.h	2018-06-15 10:29:31.000000000 +0300
+++ qt-everywhere-src-5.11.1.mod/qtbase/src/corelib/global/qsystemdetection.h	2018-09-20 03:22:39.659797353 +0300
@@ -108,9 +108,6 @@
 #  else
 #    error "Qt has not been ported to this Apple platform - see http://www.qt.io/developers"
 #  endif
-#elif defined(__ANDROID__) || defined(ANDROID)
-#  define Q_OS_ANDROID
-#  define Q_OS_LINUX
 #elif defined(__CYGWIN__)
 #  define Q_OS_CYGWIN
 #elif !defined(SAG_COM) && (!defined(WINAPI_FAMILY) || WINAPI_FAMILY==WINAPI_FAMILY_DESKTOP_APP) && (defined(WIN64) || defined(_WIN64) || defined(__WIN64__))