diff --git a/moveit_planners/chomp/chomp_motion_planner/src/chomp_planner.cpp b/moveit_planners/chomp/chomp_motion_planner/src/chomp_planner.cpp
index dbfcb28a1e..598a1fc8ab 100644
--- a/moveit_planners/chomp/chomp_motion_planner/src/chomp_planner.cpp
+++ b/moveit_planners/chomp/chomp_motion_planner/src/chomp_planner.cpp
@@ -256,7 +256,7 @@ bool ChompPlanner::solve(const planning_scene::PlanningSceneConstPtr& planning_s
   res.processing_time_[0] = (ros::WallTime::now() - start_time).toSec();
 
   // report planning failure if path has collisions
-  if (not optimizer->isCollisionFree())
+  if (!optimizer->isCollisionFree())
   {
     ROS_ERROR_STREAM_NAMED("chomp_planner", "Motion plan is invalid.");
     res.error_code_.val = moveit_msgs::MoveItErrorCodes::INVALID_MOTION_PLAN;
diff --git a/moveit_planners/trajopt/src/trajopt_interface.cpp b/moveit_planners/trajopt/src/trajopt_interface.cpp
index 30b3c9ef1a..a449645989 100644
--- a/moveit_planners/trajopt/src/trajopt_interface.cpp
+++ b/moveit_planners/trajopt/src/trajopt_interface.cpp
@@ -111,7 +111,7 @@ bool TrajOptInterface::solve(const planning_scene::PlanningSceneConstPtr& planni
     return false;
   }
 
-  if (not joint_model_group->satisfiesPositionBounds(start_joint_values.data()))
+  if (!joint_model_group->satisfiesPositionBounds(start_joint_values.data()))
   {
     ROS_ERROR_STREAM_NAMED(name_, "Start state violates joint limits");
     res.error_code.val = moveit_msgs::MoveItErrorCodes::INVALID_ROBOT_STATE;
@@ -326,7 +326,7 @@ bool TrajOptInterface::solve(const planning_scene::PlanningSceneConstPtr& planni
              constraint.tolerance_above);
     constraints_are_ok = constraints_are_ok and joint_cnt.configure(constraint);
     constraints_are_ok = constraints_are_ok and joint_cnt.decide(last_state).satisfied;
-    if (not constraints_are_ok)
+    if (!constraints_are_ok)
     {
       ROS_ERROR_STREAM_NAMED("trajopt_planner", "Goal constraints are violated: " << constraint.joint_name);
       res.error_code.val = moveit_msgs::MoveItErrorCodes::GOAL_CONSTRAINTS_VIOLATED;