diff --git a/ns/NS_Tests.ttcn b/ns/NS_Tests.ttcn
index d5af707..722f8ec 100644
--- a/ns/NS_Tests.ttcn
+++ b/ns/NS_Tests.ttcn
@@ -67,9 +67,6 @@
 			}
 		}
 	};
-	NsIEI mp_ns_iei_num_ipv4_ep := NS_IEI_NUM_IPv4_EP;
-	NsIEI mp_ns_iei_num_ipv6_ep := NS_IEI_NUM_IPv6_EP;
-	NsIEI mp_ns_iei_nsei := NS_IEI_NSEI;
 }
 
 type component RAW_Test_CT extends RAW_NS_CT {
@@ -562,53 +559,6 @@
 /* 48.016 SNS test cases */
 
 /* do a succesful SNS configuration */
-function f_send_expect(in integer NSCP_IDX, in template (omit) PDU_NS pdu,
-		       in NsCause c) runs on RAW_Test_CT {
-	log("Expected cause: ", c);
-	NSCP[NSCP_IDX].send(pdu);
-	f_ns_exp(tr_SNS_SIZE_ACK(g_nsconfig.nsei, c), NSCP_IDX);
-}
-
-function f_set_num_of_ip_endpoints(inout template (omit) PDU_NS base, AddressFamily af) runs on RAW_Test_CT {
-	const integer NUM_IP := 1;
-	if (af == AF_INET) {
-		base.pDU_SNS_Size.numberOfIP4_Endpoints :=
-			{iEI := int2oct(enum2int(mp_ns_iei_num_ipv4_ep), 1),
-			 numberOfIP_Endpoints := int2oct(NUM_IP, 2)};
-	} else {
-		base.pDU_SNS_Size.numberOfIP4_Endpoints :=
-			{iEI := int2oct(enum2int(mp_ns_iei_num_ipv6_ep), 1),
-			 numberOfIP_Endpoints := int2oct(NUM_IP, 2)};
-	}
-}
-
-/* Send SNS Size PDUs with invalid IEs */
-testcase TC_sns_sgsn_sns_size_syntactically_wrong_NSEI() runs on RAW_Test_CT {
-	f_init_vty();
-	f_init_ns_codec(mp_nsconfig);
-	const integer IDX := 0;
-	/* Assumption: No connections to other NSEs for SUT and testcomponent */
-	const integer sgsn_ip4_endpoints := lengthof(mp_nsconfig.nsvc);
-	const integer ip4_endpoints := lengthof(mp_nsconfig.nsvc);
-	const integer num_of_nsvcs := sgsn_ip4_endpoints * ip4_endpoints;
-	/* Template that would be accepted, only missing the number of IP endpoints
-	 * (since there are no ternary operators in TTCN-3...) */
-	var template (omit) PDU_NS ts_base_SNS_SIZE_configured :=
-		ts_SNS_SIZE(g_nsconfig.nsei, rst_flag := true, max_nsvcs := num_of_nsvcs,
-			    num_v4 := omit, num_v6 := omit);
-	var NSVCConfiguration nsvc_cfg := g_nsconfig.nsvc[IDX];
-
-	f_set_num_of_ip_endpoints(ts_base_SNS_SIZE_configured, g_nsconfig.nsvc[0].provider.ip.address_family);
-	/* Syntactical error here: length of 1 (has to be >=2) */
-	ts_base_SNS_SIZE_configured.pDU_SNS_Size.nSEI_NS :=
-		{iEI := int2oct(enum2int(mp_ns_iei_nsei), 1), ext := '0'B, lengthIndicator := {length1 := 1},
-		 nSEI := int2oct(g_nsconfig.nsei, 2)};
-	const NsCause cause := NS_CAUSE_INVALID_ESSENTIAL_IE;
-	f_send_expect(IDX, ts_base_SNS_SIZE_configured, cause);
-	setverdict(pass);
-	f_clean_ns_codec();
-}
-
 testcase TC_sns_bss_config_success() runs on RAW_Test_CT {
 	f_init_vty();
 	f_init_ns_codec(mp_nsconfig);
@@ -1148,7 +1098,6 @@
 			execute( TC_sns_sgsn_add_change_del() );
 			execute( TC_sns_sgsn_size_correct_port() );
 			execute( TC_sns_sgsn_size_after_success() );
-			execute( TC_sns_sgsn_sns_size_syntactically_wrong_NSEI() );
 		}
 	}
 }