diff --git a/learning_launch/read_other/test1.launch b/learning_launch/doc/real_robot_example.launch
similarity index 100%
rename from learning_launch/read_other/test1.launch
rename to learning_launch/doc/real_robot_example.launch
diff --git a/learning_launch/launch/tmp.launch b/learning_launch/launch/tmp.launch
deleted file mode 100644
index b064011..0000000
--- a/learning_launch/launch/tmp.launch
+++ /dev/null
@@ -1,16 +0,0 @@
-  <group ns="turtlesim1">
-    <node pkg="turtlesim" name="sim" type="turtlesim_node"/>
-  </group>
-
-  <group ns="turtlesim2">
-    <node pkg="turtlesim" name="sim" type="turtlesim_node"/>
-  </group>
-
-  <node pkg="turtlesim" name="mimic" type="mimic">
-    <remap from="input" to="turtlesim1/turtle1"/>
-    <remap from="output" to="turtlesim2/turtle1"/>
-  </node>
-
-    <node pkg="turtlesim" type="draw_square" name="draw_square" required="true">
-    <remap from="turtle1" to="turtlesim1/turtle1"/>
-  </node>
\ No newline at end of file
diff --git a/learning_launch/launch/turtlemimic.launch b/learning_launch/launch/turtlemimic.launch
deleted file mode 100644
index 15b7f0a..0000000
--- a/learning_launch/launch/turtlemimic.launch
+++ /dev/null
@@ -1,12 +0,0 @@
-<launch>
-
-  <remap from="turtle1" to="ycao"/>
-
-  <node pkg="turtlesim" type="turtlesim_node" name="turtle_sim" required="true">
-
-  </node>
-
-  <node pkg="turtlesim" type="draw_square" name="draw_square_cmd" required="true">
-  </node>
-
-</launch>