diff --git a/action_tutorials/action_tutorials_cpp/package.xml b/action_tutorials/action_tutorials_cpp/package.xml
index 8022e6c19..5b540fbdf 100644
--- a/action_tutorials/action_tutorials_cpp/package.xml
+++ b/action_tutorials/action_tutorials_cpp/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/action_tutorials/action_tutorials_interfaces/package.xml b/action_tutorials/action_tutorials_interfaces/package.xml
index 9b6d18030..411965945 100644
--- a/action_tutorials/action_tutorials_interfaces/package.xml
+++ b/action_tutorials/action_tutorials_interfaces/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/action_tutorials/action_tutorials_py/package.xml b/action_tutorials/action_tutorials_py/package.xml
index 54c4e94d2..995601316 100644
--- a/action_tutorials/action_tutorials_py/package.xml
+++ b/action_tutorials/action_tutorials_py/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/composition/package.xml b/composition/package.xml
index fb1dd6306..5640efd4a 100644
--- a/composition/package.xml
+++ b/composition/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/demo_nodes_cpp/package.xml b/demo_nodes_cpp/package.xml
index c955951ca..4b55e4c4d 100644
--- a/demo_nodes_cpp/package.xml
+++ b/demo_nodes_cpp/package.xml
@@ -9,7 +9,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/demo_nodes_cpp_native/package.xml b/demo_nodes_cpp_native/package.xml
index fe64d5301..102bfe4ee 100644
--- a/demo_nodes_cpp_native/package.xml
+++ b/demo_nodes_cpp_native/package.xml
@@ -9,7 +9,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/demo_nodes_py/package.xml b/demo_nodes_py/package.xml
index f4c0d68dc..c4d12914d 100644
--- a/demo_nodes_py/package.xml
+++ b/demo_nodes_py/package.xml
@@ -9,7 +9,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/dummy_robot/dummy_map_server/package.xml b/dummy_robot/dummy_map_server/package.xml
index 2a3545ca7..bc594e3ff 100644
--- a/dummy_robot/dummy_map_server/package.xml
+++ b/dummy_robot/dummy_map_server/package.xml
@@ -9,7 +9,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/dummy_robot/dummy_robot_bringup/package.xml b/dummy_robot/dummy_robot_bringup/package.xml
index 7b7a39aee..a00b58b48 100644
--- a/dummy_robot/dummy_robot_bringup/package.xml
+++ b/dummy_robot/dummy_robot_bringup/package.xml
@@ -9,7 +9,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/dummy_robot/dummy_sensors/package.xml b/dummy_robot/dummy_sensors/package.xml
index bf29face1..a44734893 100644
--- a/dummy_robot/dummy_sensors/package.xml
+++ b/dummy_robot/dummy_sensors/package.xml
@@ -9,7 +9,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/image_tools/package.xml b/image_tools/package.xml
index e142229b6..32798310c 100644
--- a/image_tools/package.xml
+++ b/image_tools/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/intra_process_demo/package.xml b/intra_process_demo/package.xml
index 4b1f3129e..139366618 100644
--- a/intra_process_demo/package.xml
+++ b/intra_process_demo/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/lifecycle/package.xml b/lifecycle/package.xml
index c0cd7bb16..79edd5b6b 100644
--- a/lifecycle/package.xml
+++ b/lifecycle/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/lifecycle_py/package.xml b/lifecycle_py/package.xml
index 0e65b6d3e..918b773e7 100644
--- a/lifecycle_py/package.xml
+++ b/lifecycle_py/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/logging_demo/package.xml b/logging_demo/package.xml
index d3e6475a6..21b3a43b0 100644
--- a/logging_demo/package.xml
+++ b/logging_demo/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/pendulum_control/package.xml b/pendulum_control/package.xml
index ae30ca29f..174526ad0 100644
--- a/pendulum_control/package.xml
+++ b/pendulum_control/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/pendulum_msgs/package.xml b/pendulum_msgs/package.xml
index 058d84602..72614e752 100644
--- a/pendulum_msgs/package.xml
+++ b/pendulum_msgs/package.xml
@@ -7,13 +7,11 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
Jackie Kay
Mabel Zhang
- Michael Carroll
Mikael Arguedas
ament_cmake
diff --git a/quality_of_service_demo/rclcpp/package.xml b/quality_of_service_demo/rclcpp/package.xml
index 998c3f581..3cf5f23f9 100644
--- a/quality_of_service_demo/rclcpp/package.xml
+++ b/quality_of_service_demo/rclcpp/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/quality_of_service_demo/rclpy/package.xml b/quality_of_service_demo/rclpy/package.xml
index 6a751d2a4..08b03b794 100644
--- a/quality_of_service_demo/rclpy/package.xml
+++ b/quality_of_service_demo/rclpy/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/topic_monitor/package.xml b/topic_monitor/package.xml
index e8b0b365b..d38399599 100644
--- a/topic_monitor/package.xml
+++ b/topic_monitor/package.xml
@@ -7,7 +7,6 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
diff --git a/topic_statistics_demo/package.xml b/topic_statistics_demo/package.xml
index 7aee22f9e..36870be6e 100644
--- a/topic_statistics_demo/package.xml
+++ b/topic_statistics_demo/package.xml
@@ -7,13 +7,11 @@
Aditya Pande
Audrow Nash
- Michael Jeronimo
Apache License 2.0
Amazon ROS Contributions
Mabel Zhang
- Michael Jeronimo
ament_cmake