diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 15948a3..2c11ca2 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -324,9 +324,6 @@
 		pcu_conn_id := -1;
 		return;
 	}
-
-	f_sleep(0.5); /* workaround for OS#4179 */
-
 	pcu_conn_id := f_pcuif_connect(pt, mp_pcu_socket);
 
 	T.start;
@@ -4876,7 +4873,9 @@
 	var uint16_t cell_id_si3 := si3.payload.si3.cell_id;
 	var uint16_t cell_id_pcu := g_pcu_last_info.u.info_ind.cell_id;
 	if (cell_id_si3 != cell_id_pcu) {
-		setverdict(fail, "Expected cell_id ", cell_id_si3, " got: ", cell_id_pcu);
+		setverdict(fail, "Expected cell_id '", cell_id_si3, "' and got '", cell_id_pcu, "'. This either means,",
+				 " that the BTS is sending the wrong cell_id, or that the BTS sent it too early",
+				 " (OS#4179)");
 	}
 
 	/* Verify LAC */