diff --git a/sets/exports.json b/sets/exports.json
index 27d4b9b..99b4f34 100644
--- a/sets/exports.json
+++ b/sets/exports.json
@@ -1,5 +1,4 @@
 {
-  "build_qtproj": ["QT_SELECT"],
   "compilers": ["USECLANG"],
   "default": [
     "PKGNAME",
diff --git a/templates/20-qtproj.sh b/templates/20-qtproj.sh
index 7d6d43e..1f3ab11 100644
--- a/templates/20-qtproj.sh
+++ b/templates/20-qtproj.sh
@@ -12,24 +12,22 @@ build_qtproj_probe() {
 }
 
 build_qtproj_configure() {
-	export QT_SELECT
-	[ "$QT_SELECT" ] ||
-	if bool "$USEQT5"; then
-		abwarn "\$USEQT5 is now deprecated. Use QT_SELECT=5."
-		QT_SELECT=5
-	elif bool "$USEQT4"; then
-		abwarn "\$USEQT4 is now deprecated. Use QT_SELECT=4."
-		QT_SELECT=4
+	BUILD_START
+	[[ -v "QMAKEVER" ]] || abdie "qmake version unspecified. Set QMAKEVER=<version> to the corresponding Qt version."
+	export QMAKE
+	if [ "$QMAKEVER" -eq 6 ]; then
+		QMAKE="qmake-qt6"
+	elif [ "$QMAKEVER" -eq 5 ]; then
+		QMAKE="qmake-qt5"
+	elif [ "$QMAKEVER" -eq 4 ]; then
+		QMAKE="qmake-qt4"
 	else
-		abicu "Qt version unspecified => default."
-		QT_SELECT=default
+		abdie "Unknown qmake version: ${QMAKEVER}."
 	fi
-
-	BUILD_START
 	ab_tostringarray QTPROJ_AFTER
 	ab_typecheck -a QTPROJ_DEF
-	abinfo "Running qmake to generate Makefile ..."
-	"$QTPREFIX/bin/qmake" "${QTPROJ_DEF[@]}" "${QTPROJ_AFTER[@]}" \
+	abinfo "Running ${QMAKE} to generate Makefile ..."
+	"/usr/bin/${QMAKE}" "${QTPROJ_DEF[@]}" "${QTPROJ_AFTER[@]}" \
 		|| abdie "Failed while running qmake to generate Makefile: $?."
 }