diff --git a/vcg/math/matrix33.h b/vcg/math/old_matrix33.h
similarity index 100%
rename from vcg/math/matrix33.h
rename to vcg/math/old_matrix33.h
diff --git a/vcg/math/matrix44.h b/vcg/math/old_matrix44.h
similarity index 100%
rename from vcg/math/matrix44.h
rename to vcg/math/old_matrix44.h