diff --git a/ci/travis/before_install.sh b/ci/travis/before_install.sh
index e275486bc0f9f96480c2aed752936dc2e87af43d..0123e790720adc8434a5e9b23a3d2f5457d194b0 100755
--- a/ci/travis/before_install.sh
+++ b/ci/travis/before_install.sh
@@ -12,7 +12,7 @@ elif [ $TRAVIS_OS_NAME == "linux" ]
 then
     sudo apt-get update
     sudo apt-get install libxcb1 libxcb1-dev libx11-xcb1 libx11-xcb-dev libxcb-keysyms1 libxcb-keysyms1-dev libxcb-image0 \
-            libxcb-image0-dev libxcb-shm0 libxcb-shm0-dev libxcb-icccm4 libxcb-icccm4-dev libxcb-sync0 libxcb-sync0-dev \
+            libxcb-image0-dev libxcb-shm0 libxcb-shm0-dev libxcb-icccm4 libxcb-icccm4-dev \
             libxcb-xfixes0-dev libxrender-dev libxcb-shape0-dev libxcb-randr0-dev libxcb-render-util0 \
             libxcb-render-util0-dev libxcb-glx0-dev libgl1-mesa-dri libegl1-mesa libpcre3-dev \
             curl qt5-qmake qtbase5-dev qttools5-dev-tools libqt5svg5-dev libdbus-1-dev libdbus-glib-1-dev autoconf automake libtool