diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 7499456..7c4ac51 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -4858,9 +4858,9 @@
 	/* Even on a failed paging the SGs Association should stay intact */
 	f_ctrl_get_exp(IPA_CTRL, "fsm.SGs-UE.id.imsi:" & hex2str(g_pars.imsi) & ".state", "SGs-ASSOCIATED");
 
-	/* Note: We do not execute f_sgsap_bssmap_screening() here since the
-	 * MSC/VLR would re-try to deliver the test SMS trigered above and
-	 * so the screening would fail. */
+	/* Make sure that the SMS we just inserted is cleared and the
+	 * subscriber is expired. This is necessary because otherwise the MSC
+	 * might re-try the SMS delivery and disturb the following tests. */
 
 	f_vty_sms_clear(hex2str(g_pars.imsi));