diff --git a/internal/ceres/schur_complement_solver.h b/internal/ceres/schur_complement_solver.h
index 7e98f31..7c8d2e7 100644
--- a/internal/ceres/schur_complement_solver.h
+++ b/internal/ceres/schur_complement_solver.h
@@ -151,7 +151,7 @@
   CERES_DISALLOW_COPY_AND_ASSIGN(DenseSchurComplementSolver);
 };
 
-
+#if !defined(CERES_NO_SUITESPARSE) || !defined(CERES_NO_CXSPARE)
 // Sparse Cholesky factorization based solver.
 class SparseSchurComplementSolver : public SchurComplementSolver {
  public:
@@ -182,6 +182,7 @@
   CERES_DISALLOW_COPY_AND_ASSIGN(SparseSchurComplementSolver);
 };
 
+#endif  // !defined(CERES_NO_SUITESPARSE) || !defined(CERES_NO_CXSPARE)
 }  // namespace internal
 }  // namespace ceres