diff --git a/io_gripper_controller/include/io_gripper_controller/io_gripper_controller.hpp b/io_gripper_controller/include/io_gripper_controller/io_gripper_controller.hpp
index eff2a9180b..614314c235 100644
--- a/io_gripper_controller/include/io_gripper_controller/io_gripper_controller.hpp
+++ b/io_gripper_controller/include/io_gripper_controller/io_gripper_controller.hpp
@@ -194,8 +194,6 @@ class IOGripperController : public controller_interface::ControllerInterface
   using OpenCloseSrvType = std_srvs::srv::Trigger;
   using ConfigSrvType = control_msgs::srv::SetIOGripperConfig;
   using JointStateMsg = sensor_msgs::msg::JointState;
-  using EventStateMsg = sensor_msgs::msg::JointState;
-  using ConfigJointMsg = sensor_msgs::msg::JointState;
   using DynInterfaceMsg = control_msgs::msg::DynamicInterfaceValues;
   using GripperAction = control_msgs::action::IOGripperCommand;
   using GoalHandleGripper = rclcpp_action::ServerGoalHandle<GripperAction>;