diff --git a/tests/main.c b/tests/main.c
index b9a7725..6156436 100644
--- a/tests/main.c
+++ b/tests/main.c
@@ -1,4 +1,3 @@
-#include "../tensor.h"
 #include "test_tensor.h"
 
 int main(void)
diff --git a/tests/test_tensor.c b/tests/test_tensor.c
index be47489..df5f6fa 100644
--- a/tests/test_tensor.c
+++ b/tests/test_tensor.c
@@ -3,7 +3,7 @@
 void test_run_all(void)
 {
 	int i;
-	void (*test_func[NUM_TEST_FUNC])() = {
+	void (*test_func[NUM_TEST_FUNC])(void) = {
 		&test_tensor_is_equal,
 		&test_tensor_set,
 		&test_tensor_get,