diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 00d05c5e2d57..5f97262e5fcb 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -249,14 +249,8 @@ $(OUTPUT)/test_maps: test_maps.c $(MAP_TESTS_FILES) | $(MAP_TESTS_H)
 $(MAP_TESTS_H): $(MAP_TESTS_FILES) | $(MAP_TESTS_DIR)
 	$(shell ( cd map_tests/; \
 		  echo '/* Generated header, do not edit */'; \
-		  echo '#ifdef DECLARE'; \
 		  ls *.c 2> /dev/null | \
-			sed -e 's@\([^\.]*\)\.c@extern void test_\1(void);@'; \
-		  echo '#endif'; \
-		  echo '#ifdef CALL'; \
-		  ls *.c 2> /dev/null | \
-			sed -e 's@\([^\.]*\)\.c@test_\1();@'; \
-		  echo '#endif' \
+			sed -e 's@\([^\.]*\)\.c@DEFINE_TEST(\1)@'; \
 		 ) > $(MAP_TESTS_H))
 
 VERIFIER_TESTS_DIR = $(OUTPUT)/verifier
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index e1f1becda529..806b298397d3 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -1717,9 +1717,9 @@ static void run_all_tests(void)
 	test_map_in_map();
 }
 
-#define DECLARE
+#define DEFINE_TEST(name) extern void test_##name(void);
 #include <map_tests/tests.h>
-#undef DECLARE
+#undef DEFINE_TEST
 
 int main(void)
 {
@@ -1731,9 +1731,9 @@ int main(void)
 	map_flags = BPF_F_NO_PREALLOC;
 	run_all_tests();
 
-#define CALL
+#define DEFINE_TEST(name) test_##name();
 #include <map_tests/tests.h>
-#undef CALL
+#undef DEFINE_TEST
 
 	printf("test_maps: OK, %d SKIPPED\n", skips);
 	return 0;