diff --git a/tests/db/Makefile.am b/tests/db/Makefile.am
index a1f35a7..b706bec 100644
--- a/tests/db/Makefile.am
+++ b/tests/db/Makefile.am
@@ -1,9 +1,6 @@
-AM_CPPFLAGS = \
+AM_CFLAGS = \
 	$(all_includes) \
 	-I$(top_srcdir)/src \
-	$(NULL)
-
-AM_CFLAGS = \
 	-Wall \
 	-ggdb3 \
 	$(LIBOSMOCORE_CFLAGS) \
@@ -11,9 +8,6 @@
 	$(SQLITE3_CFLAGS) \
 	$(NULL)
 
-AM_LDFLAGS = \
-	$(NULL)
-
 EXTRA_DIST = \
 	db_test.ok \
 	db_test.err \