diff --git a/Eigen/Core b/Eigen/Core
index 0a1477bbf..28ed09035 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -194,7 +194,6 @@ namespace Eigen {
 #include "src/Core/products/TriangularMatrixVector.h"
 #include "src/Core/products/TriangularMatrixMatrix.h"
 #include "src/Core/products/TriangularSolverMatrix.h"
-#include "src/Core/products/RotationInThePlane.h"
 #include "src/Core/BandMatrix.h"
 
 } // namespace Eigen