2 files changed, 2 insertions, 2 deletions
diff --git a/src/2geom/numeric/symmetric-matrix-fs-operation.h b/src/2geom/numeric/symmetric-matrix-fs-operation.h
index 5222d2734..37ece56ae 100644
--- a/src/2geom/numeric/symmetric-matrix-fs-operation.h
+++ b/src/2geom/numeric/symmetric-matrix-fs-operation.h
@@ -44,7 +44,7 @@ namespace Geom { namespace NL {
 
 template <size_t N>
 inline
-SymmetricMatrix<N> adj(const ConstBaseSymmetricMatrix<N> & S)
+SymmetricMatrix<N> adj(const ConstBaseSymmetricMatrix<N> & /*S*/)
 {
     THROW_NOTIMPLEMENTED();
     return SymmetricMatrix<N>();
diff --git a/src/2geom/numeric/symmetric-matrix-fs-trace.h b/src/2geom/numeric/symmetric-matrix-fs-trace.h
index 099c834a8..dbabecf6e 100644
--- a/src/2geom/numeric/symmetric-matrix-fs-trace.h
+++ b/src/2geom/numeric/symmetric-matrix-fs-trace.h
@@ -74,7 +74,7 @@ template <size_t K, size_t N>
 struct trace
 {
     static
-    double evaluate (const ConstBaseSymmetricMatrix<N> & S)
+    double evaluate (const ConstBaseSymmetricMatrix<N> & /*S*/)
     {
         THROW_NOTIMPLEMENTED();
         return K;