diff --git a/tests/wfc3/test_ir_12asn.py b/tests/wfc3/test_ir_12asn.py
deleted file mode 100644
index 337ed81f..00000000
--- a/tests/wfc3/test_ir_12asn.py
+++ /dev/null
@@ -1,128 +0,0 @@
-import subprocess
-import pytest
-
-from ..helpers import BaseWFC3
-
-@pytest.mark.slow
-class TestIR12ASN(BaseWFC3):
-    """Tests for WFC3/IR."""
-    detector = 'ir'
-
-    def test_ir_12asn(self):
-        """Ported from ``calwf3_ir_12``."""
-        asn_file = 'ibh719010_asn.fits'
-
-        # Prepare input file.
-        self.get_input_file(asn_file)
-
-        # Run CALWF3
-        subprocess.call(['calwf3.e', asn_file, '-v'])
-
-        # Compare results
-        # Excluded ('ibh719011_spt.fits', 'ibh719011_spt_ref.fits')
-        flist=['ibh719gmq',
-               'ibh719gnq',
-               'ibh719goq',
-               'ibh719gpq',
-               'ibh719gqq',
-               'ibh719grq',
-               'ibh719gsq',
-               'ibh719gtq',
-               'ibh719guq',
-               'ibh719gvq',
-               'ibh719gwq',
-               'ibh719gxq',
-               'ibh719gzq',
-               'ibh719h0q',
-               'ibh719h1q',
-               'ibh719h2q',
-               'ibh719h3q',
-               'ibh719h4q',
-               'ibh719h5q',
-               'ibh719h6q',
-               'ibh719h7q',
-               'ibh719h8q',
-               'ibh719h9q',
-               'ibh719i2q',
-               'ibh719i4q',
-               'ibh719i5q',
-               'ibh719i6q',
-               'ibh719i7q',
-               'ibh719i8q',
-               'ibh719i9q',
-               'ibh719iaq',
-               'ibh719ibq',
-               'ibh719icq',
-               'ibh719idq',
-               'ibh719ieq',
-               'ibh719ifq',
-               'ibh719ihq',
-               'ibh719iiq',
-               'ibh719ijq',
-               'ibh719ikq',
-               'ibh719ilq',
-               'ibh719imq',
-               'ibh719inq',
-               'ibh719ioq',
-               'ibh719ipq',
-               'ibh719iqq',
-               'ibh719irq',
-               'ibh719isq',
-               'ibh719iuq',
-               'ibh719ivq',
-               'ibh719iwq',
-               'ibh719ixq',
-               'ibh719iyq',
-               'ibh719izq',
-               'ibh719j0q',
-               'ibh719j1q',
-               'ibh719j2q',
-               'ibh719j3q',
-               'ibh719j4q',
-               'ibh719j5q',
-               'ibh719j7q',
-               'ibh719j8q',
-               'ibh719j9q',
-               'ibh719jaq',
-               'ibh719jbq',
-               'ibh719jcq',
-               'ibh719jdq',
-               'ibh719jeq',
-               'ibh719jfq',
-               'ibh719jgq',
-               'ibh719jhq',
-               'ibh719jiq',
-               'ibh719jkq',
-               'ibh719jlq',
-               'ibh719jmq',
-               'ibh719jnq',
-               'ibh719joq',
-               'ibh719jpq',
-               'ibh719jqq',
-               'ibh719jrq',
-               'ibh719jsq',
-               'ibh719jtq',
-               'ibh719juq',
-               'ibh719jvq',
-               'ibh719jxq',
-               'ibh719jyq',
-               'ibh719jzq',
-               'ibh719k0q',
-               'ibh719k1q',
-               'ibh719k2q',
-               'ibh719k3q',
-               'ibh719k4q',
-               'ibh719k5q',
-               'ibh719k6q',
-               'ibh719k7q',
-               'ibh719k8q',
-               'ibh719k9q',
-               'ibh719kaq']
-
-        outputs = [('ibh719011_crj.fits', 'ibh719011_crj_ref.fits')]
-
-        for rn in flist:
-            outputs += [(rn + '_flt.fits', rn + '_flt_ref.fits'),
-                        (rn + '_ima.fits', rn + '_ima_ref.fits')]
-
-        self.compare_outputs(outputs)