diff --git a/tests/abacus.spin/INPUT b/tests/abacus.spin/INPUT
deleted file mode 100644
index 0bdd9303..00000000
--- a/tests/abacus.spin/INPUT
+++ /dev/null
@@ -1,27 +0,0 @@
-INPUT_PARAMETERS
-suffix	ABACUS-nspin2
-calculation	scf
-ecutwfc	100
-scf_thr	1e-07
-scf_nmax	100
-out_chg	0
-smearing_method	gauss
-smearing_sigma	0.01
-mixing_type	broyden
-mixing_ndim	10
-ks_solver	genelpa
-basis_type	lcao
-symmetry	0
-noncolin	1
-lspinorb	0
-nspin	2
-out_mul	true
-sc_mag_switch	1
-decay_grad_switch	1
-sc_thr	1e-07
-sc_scf_thr	1e-09
-nsc	100
-nsc_min	2
-alpha_trial	0.01
-sccut	3
-cal_force	1
diff --git a/tests/test_abacus_spin.py b/tests/test_abacus_spin.py
index 0c3b48f9..5a46ceea 100644
--- a/tests/test_abacus_spin.py
+++ b/tests/test_abacus_spin.py
@@ -16,6 +16,8 @@ def setUp(self):
     def tearDown(self):
         if os.path.isdir(self.dump_path):
             shutil.rmtree(self.dump_path)
+        if os.path.isfile("abacus.spin/INPUT"):
+            os.remove("abacus.spin/INPUT")
 
     def test_scf(self):
         os.system("cp abacus.spin/INPUT.scf abacus.spin/INPUT")