diff --git a/catkin/CMakeLists.txt b/catkin/CMakeLists.txt
deleted file mode 100644
index e273bec..0000000
--- a/catkin/CMakeLists.txt
+++ /dev/null
@@ -1,89 +0,0 @@
-cmake_minimum_required(VERSION 2.8.3)
-project(audio_drain)
-
-set(CMAKE_VERBOSE_MAKEFILE ON)
-
-## Find catkin macros and libraries
-## if COMPONENTS list like find_package(catkin REQUIRED COMPONENTS xyz)
-## is used, also find other catkin packages
-find_package(catkin REQUIRED COMPONENTS
-  etk
-  audio
-  )
-
-find_library(LIB_SPEEX_DSP libspeexdsp.a)
-find_library(SPEEX_DSP speexdsp)
-
-###################################
-## catkin specific configuration ##
-###################################
-## The catkin_package macro generates cmake config files for your package
-## Declare things to be passed to dependent projects
-## INCLUDE_DIRS: uncomment this if you package contains header files
-## LIBRARIES: libraries you create in this project that dependent projects also need
-## CATKIN_DEPENDS: catkin_packages dependent projects also need
-## DEPENDS: system dependencies of this project that dependent projects also need
-catkin_package(
-  INCLUDE_DIRS ../
-  LIBRARIES ${PROJECT_NAME}
-  CATKIN_DEPENDS etk audio
-  DEPENDS system_lib
-)
-
-###########
-## Build ##
-###########
-
-## Specify additional locations of header files
-## Your package locations should be listed before other locations
-include_directories(
-  ..
-  ${speex_INCLUDE_DIRS}
-  ${catkin_INCLUDE_DIRS}
-)
-
-## Declare a cpp library
-add_library(${PROJECT_NAME}
-  ../audio/drain/debug.cpp
-  ../audio/drain/airtalgo.cpp
-  ../audio/drain/Algo.cpp
-  ../audio/drain/ChannelReorder.cpp
-  ../audio/drain/CircularBuffer.cpp
-  ../audio/drain/EndPointCallback.cpp
-  ../audio/drain/EndPoint.cpp
-  ../audio/drain/EndPointRead.cpp
-  ../audio/drain/EndPointWrite.cpp
-  ../audio/drain/FormatUpdate.cpp
-  ../audio/drain/Process.cpp
-  ../audio/drain/Resampler.cpp
-  ../audio/drain/Volume.cpp
-  ../audio/drain/IOFormatInterface.cpp
-  ../audio/drain/AutoLogInOut.cpp
-)
-
-#message("libspeex DSP file: ${LIB_SPEEX_DSP}")
-#message("libspeex DSP file: ${SPEEX_DSP}")
-
-add_definitions(-DHAVE_SPEEX_DSP_RESAMPLE)
-
-## Specify libraries to link a library or executable target against
-target_link_libraries(${PROJECT_NAME}
-  ${SPEEX_DSP}
-  ${catkin_LIBRARIES}
-)
-
-#############
-## Install ##
-#############
-
-## Mark executables and/or libraries for installation
-install(TARGETS ${PROJECT_NAME}
-  ARCHIVE DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
-  LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
-)
-
-## Mark cpp header files for installation
-install(DIRECTORY ../audio/drain/
-  DESTINATION ${CATKIN_PACKAGE_INCLUDE_DESTINATION}
-  FILES_MATCHING PATTERN "*.h"
-)
diff --git a/catkin/package.xml b/catkin/package.xml
deleted file mode 100644
index 8b0f1c8..0000000
--- a/catkin/package.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0"?>
-<package>
-  <name>audio_drain</name>
-  <version>0.1.0</version>
-  <description>Ewol audio basic flow algo (really simple)</description>
-  <maintainer email="yui.heero@gmail.com">Edouard DUPIN</maintainer>
-  <license>Apache-2.0</license>
-  <build_depend>etk</build_depend>
-  <build_depend>audio</build_depend>
-  <buildtool_depend>catkin</buildtool_depend>
-  <run_depend>etk</run_depend>
-  <run_depend>audio</run_depend>
-</package>