diff --git a/Extras/BulletMultiThreaded/Makefile b/Extras/BulletMultiThreaded/Makefile
index e4a6bce41..1eb5f8289 100644
--- a/Extras/BulletMultiThreaded/Makefile
+++ b/Extras/BulletMultiThreaded/Makefile
@@ -130,8 +130,6 @@ spu : SpuFakeDma SpuContactManifoldCollisionAlgorithm_spu SpuContactResult SpuTa
                             $(OUTDIR)/SpuMinkowskiPenetrationDepthSolver.o \
                             $(OUTDIR)/SpuVoronoiSimplexSolver.o \
                             $(OUTDIR)/btPersistentManifold.o \
-                            $(OUTDIR)/btOptimizedBvh.o \
-                            $(OUTDIR)/btCollisionObject.o \
                             $(OUTDIR)/btTriangleCallback.o \
                             $(OUTDIR)/btTriangleIndexVertexArray.o \
                             $(OUTDIR)/btStridingMeshInterface.o \