diff --git a/src/BulletSoftBody/CMakeLists.txt b/src/BulletSoftBody/CMakeLists.txt
index b3c32a6c5..06059c77b 100644
--- a/src/BulletSoftBody/CMakeLists.txt
+++ b/src/BulletSoftBody/CMakeLists.txt
@@ -53,7 +53,6 @@ SET(BulletSoftBody_HDRS
 	btDeformableBackwardEulerObjective.h
 	btDeformableBodySolver.h
 	btDeformableMultiBodyConstraintSolver.h
-	btDeformableMultiBodyConstraintSolver.h
 	btDeformableContactProjection.h
 	btDeformableMultiBodyDynamicsWorld.h