diff --git a/turtlebot3_bringup/CHANGELOG.rst b/turtlebot3_bringup/CHANGELOG.rst
index 40d1f7d8..b8b7b3af 100644
--- a/turtlebot3_bringup/CHANGELOG.rst
+++ b/turtlebot3_bringup/CHANGELOG.rst
@@ -14,17 +14,9 @@ Changelog for package turtlebot3_bringup
 ------------------
 * ROS 2 Rolling Ridley supported
 * fix ambiguous ParameterValue calls (#748, #736)
-* Contributors: m2-farzan, Will Son
-
-2.1.2 (2021-04-07)
-------------------
-* add LDS-02 support
-
-2.1.3 (2021-09-02)
-------------------
 * rename and update nav2 params
 * modify robot_state_publisher
-* Contributors: David Park, Ashe Kim, Will Son
+* Contributors: m2-farzan, David Park, Ashe Kim, Will Son
 
 2.1.1 (2021-01-06)
 ------------------
diff --git a/turtlebot3_cartographer/CHANGELOG.rst b/turtlebot3_cartographer/CHANGELOG.rst
index 0d754b2e..d10d35ac 100644
--- a/turtlebot3_cartographer/CHANGELOG.rst
+++ b/turtlebot3_cartographer/CHANGELOG.rst
@@ -15,14 +15,6 @@ Changelog for package turtlebot3_cartographer
 ------------------
 * ROS 2 Rolling Ridley supported
 * fix RViz2 Cartographer default config
-* Contributors: Will Son
-
-2.1.2 (2021-04-07)
-------------------
-* none
-
-2.1.3 (2021-09-02)
-------------------
 * rename and update nav2 params
 * Contributors: Ashe Kim, Will Son
 
diff --git a/turtlebot3_navigation2/CHANGELOG.rst b/turtlebot3_navigation2/CHANGELOG.rst
index 692166ab..ba40629f 100644
--- a/turtlebot3_navigation2/CHANGELOG.rst
+++ b/turtlebot3_navigation2/CHANGELOG.rst
@@ -13,14 +13,6 @@ Changelog for package turtlebot3_navigation2
 2.1.3 (2021-09-02)
 ------------------
 * ROS 2 Rolling Ridley supported
-* Contributors: Will Son
-
-2.1.2 (2021-04-07)
-------------------
-* none
-
-2.1.3 (2021-09-02)
-------------------
 * rename and update nav2 params
 * Contributors: Ashe Kim, Will Son