diff --git a/asn1/umts_rrc/Makefile b/asn1/umts_rrc/Makefile
index cfaa3b8728..119272ba79 100644
--- a/asn1/umts_rrc/Makefile
+++ b/asn1/umts_rrc/Makefile
@@ -7,7 +7,7 @@ all: generate_dissector
 generate_dissector: $(DISSECTOR_FILES)
 
 $(DISSECTOR_FILES): ../../tools/asn2wrs.py umts_rrc_Class-definitions.asn packet-umts_rrc-template.c packet-umts_rrc-template.h umts_rrc.cnf
-	python ../../tools/asn2wrs.py -X -e -p umts_rrc -c umts_rrc.cnf -s packet-umts_rrc-template  umts_rrc_Class-definitions.asn
+	python ../../tools/asn2wrs.py -e -p umts_rrc -c umts_rrc.cnf -s packet-umts_rrc-template  umts_rrc_Class-definitions.asn
 
 clean:
 	rm -f parsetab.py $(DISSECTOR_FILES)
diff --git a/asn1/umts_rrc_Internode-defs/Makefile b/asn1/umts_rrc_Internode-defs/Makefile
index 078a98c574..d71004194a 100644
--- a/asn1/umts_rrc_Internode-defs/Makefile
+++ b/asn1/umts_rrc_Internode-defs/Makefile
@@ -7,7 +7,7 @@ all: generate_dissector
 generate_dissector: $(DISSECTOR_FILES)
 
 $(DISSECTOR_FILES): ../../tools/asn2wrs.py umts_rrc_Internode-definitions.asn packet-umts_rrc_internode-defs-template.c packet-umts_rrc_internode-defs-template.h umts_rrc_internode-defs.cnf
-	python ../../tools/asn2wrs.py -X -e -p umts_rrc_internode-defs -c umts_rrc_internode-defs.cnf -s packet-umts_rrc_internode-defs-template  umts_rrc_Internode-definitions.asn
+	python ../../tools/asn2wrs.py -e -p umts_rrc_internode-defs -c umts_rrc_internode-defs.cnf -s packet-umts_rrc_internode-defs-template  umts_rrc_Internode-definitions.asn
 
 clean:
 	rm -f parsetab.py $(DISSECTOR_FILES)
diff --git a/asn1/umts_rrc_ies/Makefile b/asn1/umts_rrc_ies/Makefile
index a37c2138bd..1e02a16587 100644
--- a/asn1/umts_rrc_ies/Makefile
+++ b/asn1/umts_rrc_ies/Makefile
@@ -7,7 +7,7 @@ all: generate_dissector
 generate_dissector: $(DISSECTOR_FILES)
 
 $(DISSECTOR_FILES): ../../tools/asn2wrs.py umts_rrc_InformationElements.asn packet-umts_rrc_ies-template.c packet-umts_rrc_ies-template.h umts_rrc_ies.cnf
-	python ../../tools/asn2wrs.py -X -e -p umts_rrc_ies -c umts_rrc_ies.cnf -s packet-umts_rrc_ies-template  umts_rrc_InformationElements.asn
+	python ../../tools/asn2wrs.py -e -p umts_rrc_ies -c umts_rrc_ies.cnf -s packet-umts_rrc_ies-template  umts_rrc_InformationElements.asn
 
 clean:
 	rm -f parsetab.py $(DISSECTOR_FILES)
diff --git a/asn1/umts_rrc_pdu_def/Makefile b/asn1/umts_rrc_pdu_def/Makefile
index d70953a3b2..88f208e6c4 100644
--- a/asn1/umts_rrc_pdu_def/Makefile
+++ b/asn1/umts_rrc_pdu_def/Makefile
@@ -7,7 +7,7 @@ all: generate_dissector
 generate_dissector: $(DISSECTOR_FILES)
 
 $(DISSECTOR_FILES): ../../tools/asn2wrs.py umts_rrc_PDU_definitions.asn packet-umts_rrc_pdu_def-template.c packet-umts_rrc_pdu_def-template.h umts_rrc_pdu_def.cnf
-	python ../../tools/asn2wrs.py -X -e -p umts_rrc_pdu_def -c umts_rrc_pdu_def.cnf -s packet-umts_rrc_pdu_def-template  umts_rrc_PDU_definitions.asn
+	python ../../tools/asn2wrs.py -e -p umts_rrc_pdu_def -c umts_rrc_pdu_def.cnf -s packet-umts_rrc_pdu_def-template  umts_rrc_PDU_definitions.asn
 
 clean:
 	rm -f parsetab.py $(DISSECTOR_FILES)