diff --git a/CMakeLists.txt b/CMakeLists.txt
index 40215409008df7521b3ede66d1468ca43f264386..45bc17efd657218349e648556ade98299b5541ea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -123,11 +123,6 @@ TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${iriutils_LIBRARY})
 TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${comm_LIBRARY})
 TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${dynamixel_LIBRARY})
 
-add_custom_command(
-        TARGET ${PROJECT_NAME} POST_BUILD
-        COMMAND ${CMAKE_COMMAND} -E copy
-                ${CMAKE_CURRENT_SOURCE_DIR}/scripts/start_socat.sh
-                ${CATKIN_PACKAGE_LIB_DESTINATION}/start_socat.sh)
 #############
 ## Install ##
 #############
diff --git a/src/dynamixel_servo.cpp b/src/dynamixel_servo.cpp
index 02484e076d5020b7fe281605bfe4330d6eb8ca88..6839362745d7a466cdc44a63549dbf9fe964ae94 100644
--- a/src/dynamixel_servo.cpp
+++ b/src/dynamixel_servo.cpp
@@ -600,7 +600,7 @@ namespace dynamixel_robot_gazebo
 
   void CDynServo::update(const ros::Duration& period)
   {
-    double real_angle,target_angle,command;
+    double real_angle,target_angle,command=0.0;
 
     real_angle=this->joint.getPosition();
     this->set_current_angle(real_angle);