diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorDimensions.h b/unsupported/Eigen/CXX11/src/Tensor/TensorDimensions.h
index 2b5de4f55..52f3ad76e 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorDimensions.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorDimensions.h
@@ -403,7 +403,7 @@ template <std::size_t n, std::size_t V1, std::size_t V2, std::size_t V3, std::si
 
 template <typename Dims1, typename Dims2, size_t n, size_t m>
 struct sizes_match_up_to_dim {
-  static inline bool run(Dims1& dims1, Dims2& dims2) {
+  static inline bool run(Dims1&, Dims2&) {
     return false;
   }
 };
diff --git a/unsupported/test/cxx11_tensor_dimension.cpp b/unsupported/test/cxx11_tensor_dimension.cpp
index 22c58450c..ce78efe52 100644
--- a/unsupported/test/cxx11_tensor_dimension.cpp
+++ b/unsupported/test/cxx11_tensor_dimension.cpp
@@ -46,7 +46,7 @@ static void test_match()
 
   Eigen::DSizes<int, 3> dyn1(2,3,7);
   Eigen::DSizes<int, 2> dyn2(2,3);
-  VERIFY_IS_EQUAL(Eigen::dimensions_match(dyn, stat), false);
+  VERIFY_IS_EQUAL(Eigen::dimensions_match(dyn1, dyn2), false);
 }