diff --git a/gstlal-inspiral/bin/gstlal_inspiral_create_dt_dphi_snr_ratio_pdfs_dag b/gstlal-inspiral/bin/gstlal_inspiral_create_dt_dphi_snr_ratio_pdfs_dag
index f3e2aefc5253ef921f66d133abfdcfc1c2cfbb4f..eee4e17c519f431f004da3202dcc608dab60c603 100755
--- a/gstlal-inspiral/bin/gstlal_inspiral_create_dt_dphi_snr_ratio_pdfs_dag
+++ b/gstlal-inspiral/bin/gstlal_inspiral_create_dt_dphi_snr_ratio_pdfs_dag
@@ -25,7 +25,6 @@ parser.add_argument('--psd-xml', help = 'XML containing HLV psd')
 parser.add_argument('--H-snr', type = float, help = 'H characteristic SNR')
 parser.add_argument('--L-snr', type = float, help = 'L characteristic SNR')
 parser.add_argument('--V-snr', type = float, help = 'V characteristic SNR')
-parser.add_argument("--output", help = "set the output h5 file, e.g., covmat.h5")
 args = parser.parse_args()
 
 try: