fix build
diff --git a/Eigen/src/CMakeLists.txt b/Eigen/src/CMakeLists.txt
index b244809..e6832e8 100644
--- a/Eigen/src/CMakeLists.txt
+++ b/Eigen/src/CMakeLists.txt
@@ -7,4 +7,3 @@
 ADD_SUBDIRECTORY(Geometry)
 ADD_SUBDIRECTORY(LeastSquares)
 ADD_SUBDIRECTORY(Sparse)
-ADD_SUBDIRECTORY(StdVector)