diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55b83220c5..8895d2cd81 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -556,9 +556,8 @@ if(LYX_USE_QT MATCHES "QT5")
 		find_package(Qt5Widgets REQUIRED)
 		if(APPLE)
 			find_package(Qt5MacExtras)
-		elseif(UNIX)
-			find_package(Qt5X11Extras)
 		endif()
+		find_package(Qt5X11Extras QUIET)
 		set(QTVERSION ${Qt5Core_VERSION})
 		macro (qt_use_modules)
 			qt5_use_modules(${ARGN})