diff --git a/.travis.yml b/.travis.yml
index 7f290e56d439ae9c3a5fd9db8883ac27bcf0055a..3df47af795c1f21348691d6ecf8af6a8268fb61c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -122,8 +122,8 @@ install:
 
   # osx dependencies: qt (master builds only: gstreamer, gstreamer-devel)
   - if [ "${SPEC}" = "macx-clang" ]; then
-        wget --quiet https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/Qt5.11.0-clang_64-min.tar.bz2 &&
-        tar jxf Qt5.11.0-clang_64-min.tar.bz2 -C /tmp
+        wget --quiet https://s3-us-west-2.amazonaws.com/qgroundcontrol/dependencies/Qt5.12.6-clang_64-min.tar.bz2 &&
+        tar jxf Qt5.12.6-clang_64-min.tar.bz2 -C /tmp
         ;
     fi
 
@@ -134,7 +134,7 @@ install:
     fi
 
   - if [ "${SPEC}" = "macx-clang" ]; then
-        export QT_DIR=Qt5.11-clang_64/5.11.0/clang_64 &&
+        export QT_DIR=Qt5.12-clang_64/5.12.6/clang_64 &&
         export QT_QPA_PLATFORM_PLUGIN_PATH=/tmp/$QT_DIR/plugins &&
         export QML2_IMPORT_PATH=/tmp/$QT_DIR/qml &&
         export PATH=/tmp/$QT_DIR/bin:$PATH
diff --git a/QGCInstaller.pri b/QGCInstaller.pri
index 2432ca19a9eba6ba9cfdc8963e64ede69496b408..d62c3d0f560d3843e6512d2fcdaabc0dd9ea22ec 100644
--- a/QGCInstaller.pri
+++ b/QGCInstaller.pri
@@ -29,10 +29,6 @@ installer {
         # links to plugins will not be created correctly.
         QMAKE_POST_LINK += && cd $${DESTDIR} && $$dirname(QMAKE_QMAKE)/macdeployqt $${TARGET}.app -appstore-compliant -verbose=2 -qmldir=$${BASEDIR}/src
 
-        # macdeployqt does not deploy texttospeech plugin
-        QMAKE_POST_LINK += && mkdir $${TARGET}.app/Contents/PlugIns/texttospeech
-        QMAKE_POST_LINK += && cp $$[QT_INSTALL_PLUGINS]/texttospeech/libqtexttospeech_speechosx.dylib $${TARGET}.app/Contents/PlugIns/texttospeech
-
         # macdeployqt is missing some relocations once in a while. "Fix" it:
         QMAKE_POST_LINK += && python $$BASEDIR/tools/osxrelocator.py $${TARGET}.app/Contents @rpath @executable_path/../Frameworks -r > /dev/null 2>&1