diff --git a/lua/Makefile.am b/lua/Makefile.am
index 4c01e80b6..264f17006 100644
--- a/lua/Makefile.am
+++ b/lua/Makefile.am
@@ -64,7 +64,7 @@ guestfs.so: libluaguestfs.la
 	ln -sf .libs/libluaguestfs.so $@
 
 # Tests.
-TESTS_ENVIRONMENT = LC_ALL=C $(top_builddir)/run --test $(VG)
+TESTS_ENVIRONMENT = LC_ALL=C $(top_builddir)/run --test
 TESTS = \
 	run-bindtests \
 	tests/010-load.lua \
diff --git a/tests/daemon/Makefile.am b/tests/daemon/Makefile.am
index bb380c5cf..053cad3e1 100644
--- a/tests/daemon/Makefile.am
+++ b/tests/daemon/Makefile.am
@@ -27,7 +27,7 @@ TESTS = \
 	test-daemon-start.pl \
 	test-btrfs.pl
 
-TESTS_ENVIRONMENT = $(top_builddir)/run --test $(VG)
+TESTS_ENVIRONMENT = $(top_builddir)/run --test
 
 EXTRA_DIST = \
 	captive-daemon.pm \