diff --git a/src/fvMotionSolver/pointPatchFields/derived/sixDoFRigidBodyDisplacement/sixDoFRigidBodyMotion/sixDoFRigidBodyMotion.H b/src/fvMotionSolver/pointPatchFields/derived/sixDoFRigidBodyDisplacement/sixDoFRigidBodyMotion/sixDoFRigidBodyMotion.H
index a1793c26b6..16ea1d42b2 100644
--- a/src/fvMotionSolver/pointPatchFields/derived/sixDoFRigidBodyDisplacement/sixDoFRigidBodyMotion/sixDoFRigidBodyMotion.H
+++ b/src/fvMotionSolver/pointPatchFields/derived/sixDoFRigidBodyDisplacement/sixDoFRigidBodyMotion/sixDoFRigidBodyMotion.H
@@ -55,7 +55,6 @@ SourceFiles
 
 #include "sixDoFRigidBodyMotionState.H"
 #include "pointField.H"
-#include "mathConstants.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //