diff --git a/launch/sample/sample_signals.launch b/launch/sample/sample_signals.launch
index 2871ed0a1445bbc968ceff9e52b16923654b2e41..bde39e06c81de36b4f40455fc2e70aefd5f1fc10 100644
--- a/launch/sample/sample_signals.launch
+++ b/launch/sample/sample_signals.launch
@@ -6,7 +6,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="pedestrian_crossing_1001"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="pedestrian_crossing"/>
     <arg name="x"  value="1"/>
     <arg name="y"  value="-0.5"/>
@@ -17,7 +16,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="pedestrian_crossing_1002"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="pedestrian_crossing"/>
     <arg name="x"  value="1.5"/>
     <arg name="y"  value="0.5"/>
@@ -28,7 +26,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1031"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="8.5"/>
     <arg name="y"  value="1.5"/>
@@ -39,7 +36,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1032"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="7.5"/>
     <arg name="y"  value="6.5"/>
@@ -50,7 +46,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="parking_1033"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="parking"/>
     <arg name="x"  value="7.5"/>
     <arg name="y"  value="5"/>
@@ -61,7 +56,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1081"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="-1.5"/>
     <arg name="y"  value="6.5"/>
@@ -72,7 +66,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1082"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="-0.5"/>
     <arg name="y"  value="1.5"/>
@@ -83,7 +76,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="parking_1101"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="parking"/>
     <arg name="x"  value="4"/>
     <arg name="y"  value="4.2"/>
@@ -94,7 +86,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="giveway_1102"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="giveway"/>
     <arg name="x"  value="4"/>
     <arg name="y"  value="7"/>
@@ -105,7 +96,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="giveway_1103"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="giveway"/>
     <arg name="x"  value="3"/>
     <arg name="y"  value="1"/>
@@ -116,7 +106,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1104"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="4"/>
     <arg name="y"  value="1.5"/>
@@ -127,7 +116,6 @@
   <include file="$(find iri_sign_description)/launch/spawn_sign.launch">
     <arg name="name"  value="max_50_1105"/>
     <arg name="model"  value="sign"/>
-    <arg name="tag"  value="alvar0"/>
     <arg name="type"  value="max_50"/>
     <arg name="x"  value="3"/>
     <arg name="y"  value="6.5"/>