diff --git a/Eigen/src/SVD/UpperBidiagonalization.h b/Eigen/src/SVD/UpperBidiagonalization.h
index 9dc470fd9..deaf3dcc4 100644
--- a/Eigen/src/SVD/UpperBidiagonalization.h
+++ b/Eigen/src/SVD/UpperBidiagonalization.h
@@ -358,6 +358,7 @@ UpperBidiagonalization<_MatrixType>& UpperBidiagonalization<_MatrixType>::comput
 {
   Index rows = matrix.rows();
   Index cols = matrix.cols();
+  EIGEN_ONLY_USED_FOR_DEBUG(cols);
 
   eigen_assert(rows >= cols && "UpperBidiagonalization is only for Arices satisfying rows>=cols.");
 
@@ -379,6 +380,7 @@ UpperBidiagonalization<_MatrixType>& UpperBidiagonalization<_MatrixType>::comput
 {
   Index rows = matrix.rows();
   Index cols = matrix.cols();
+  EIGEN_ONLY_USED_FOR_DEBUG(cols);
 
   eigen_assert(rows >= cols && "UpperBidiagonalization is only for Arices satisfying rows>=cols.");