diff --git a/make/qtversion.mk b/make/qtversion.mk
index 3333334c..3526da95 100644
--- a/make/qtversion.mk
+++ b/make/qtversion.mk
@@ -1,4 +1,2 @@
-USE_QT = true
-ifndef QT_MAJOR_VERSION
-QT_MAJOR_VERSION = 4
-endif
+USE_QT           ?= true
+QT_VERSION       ?= 4