diff --git a/build/CMakeCache.txt b/build/CMakeCache.txt
deleted file mode 100644
index 064bc2c..0000000
--- a/build/CMakeCache.txt
+++ /dev/null
@@ -1,851 +0,0 @@
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-# Set the install prefix
-if(NOT DEFINED CMAKE_INSTALL_PREFIX)
-  set(CMAKE_INSTALL_PREFIX "/usr/local")
-endif()
-string(REGEX REPLACE "/$" "" CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
-
-# Set the install configuration name.
-if(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME)
-  if(BUILD_TYPE)
-    string(REGEX REPLACE "^[^A-Za-z0-9_]+" ""
-           CMAKE_INSTALL_CONFIG_NAME "${BUILD_TYPE}")
-  else()
-    set(CMAKE_INSTALL_CONFIG_NAME "")
-  endif()
-  message(STATUS "Install configuration: \"${CMAKE_INSTALL_CONFIG_NAME}\"")
-endif()
-
-# Set the component getting installed.
-if(NOT CMAKE_INSTALL_COMPONENT)
-  if(COMPONENT)
-    message(STATUS "Install component: \"${COMPONENT}\"")
-    set(CMAKE_INSTALL_COMPONENT "${COMPONENT}")
-  else()
-    set(CMAKE_INSTALL_COMPONENT)
-  endif()
-endif()
-
-# Install shared libraries without execute permission?
-if(NOT DEFINED CMAKE_INSTALL_SO_NO_EXE)
-  set(CMAKE_INSTALL_SO_NO_EXE "1")
-endif()
-
-# Is this installation the result of a crosscompile?
-if(NOT DEFINED CMAKE_CROSSCOMPILING)
-  set(CMAKE_CROSSCOMPILING "FALSE")
-endif()
-
-if(NOT CMAKE_INSTALL_LOCAL_ONLY)
-  # Include the install script for each subdirectory.
-  include("/home/duongtd/robotics_core/costmap_2d/build/robot_time_build/cmake_install.cmake")
-
-endif()
-
diff --git a/build/test_array_parser b/build/test_array_parser
deleted file mode 100755
index 7288ffd..0000000
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diff --git a/build/test_costmap b/build/test_costmap
deleted file mode 100755
index d840c25..0000000
Binary files a/build/test_costmap and /dev/null differ