diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorArgMax.h b/unsupported/Eigen/CXX11/src/Tensor/TensorArgMax.h
index e81001c6e..44b79e725 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorArgMax.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorArgMax.h
@@ -178,7 +178,7 @@ class TensorTupleReducerOp : public TensorBase<TensorTupleReducerOp<ReduceOp, Di
 
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorTupleReducerOp(const XprType& expr,
                                                           const ReduceOp& reduce_op,
-                                                          const int return_dim,
+                                                          const Index return_dim,
                                                           const Dims& reduce_dims)
       : m_xpr(expr), m_reduce_op(reduce_op), m_return_dim(return_dim), m_reduce_dims(reduce_dims) {}
 
@@ -193,12 +193,12 @@ class TensorTupleReducerOp : public TensorBase<TensorTupleReducerOp<ReduceOp, Di
   const Dims& reduce_dims() const { return m_reduce_dims; }
 
   EIGEN_DEVICE_FUNC
-  int return_dim() const { return m_return_dim; }
+  Index return_dim() const { return m_return_dim; }
 
   protected:
     typename XprType::Nested m_xpr;
     const ReduceOp m_reduce_op;
-    const int m_return_dim;
+    const Index m_return_dim;
     const Dims m_reduce_dims;
 };
 
@@ -262,7 +262,7 @@ struct TensorEvaluator<const TensorTupleReducerOp<ReduceOp, Dims, ArgType>, Devi
   EIGEN_DEVICE_FUNC Scalar* data() const { return NULL; }
   #else // following functions are required by sycl
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TupleType* data() const { return m_impl.data(); }
-  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE int return_dim() const {return m_return_dim;}
+  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Index return_dim() const {return m_return_dim;}
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const StrideDims& strides() const {return m_strides;}
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const Index& stride_mod() const {return m_stride_mod;}
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const Index& stride_div() const {return m_stride_div;}
@@ -303,7 +303,7 @@ struct TensorEvaluator<const TensorTupleReducerOp<ReduceOp, Dims, ArgType>, Devi
  protected:
   TensorEvaluator<const TensorIndexTupleOp<ArgType>, Device> m_orig_impl;
   TensorEvaluator<const TensorReductionOp<ReduceOp, Dims, const TensorIndexTupleOp<ArgType> >, Device> m_impl;
-  const int m_return_dim;
+  const Index m_return_dim;
   StrideDims m_strides;
   Index m_stride_mod;
   Index m_stride_div;
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorArgMaxSycl.h b/unsupported/Eigen/CXX11/src/Tensor/TensorArgMaxSycl.h
index 90cbe004f..8f76b8254 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorArgMaxSycl.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorArgMaxSycl.h
@@ -61,9 +61,9 @@ class TensorTupleReducerDeviceOp : public TensorBase<TensorTupleReducerDeviceOp<
   typedef typename XprType::CoeffReturnType CoeffReturnType;
 
   EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorTupleReducerDeviceOp(XprType expr,
-                                                              const int return_dim,
-                                                              const StrideDims& strides,
-                                                              const Index& stride_mod, const Index& stride_div)
+                                                              const Index return_dim,
+                                                              const StrideDims strides,
+                                                              const Index stride_mod, const Index stride_div)
           :m_xpr(expr), m_return_dim(return_dim), m_strides(strides), m_stride_mod(stride_mod), m_stride_div(stride_div) {}
 
   EIGEN_DEVICE_FUNC
@@ -71,7 +71,7 @@ class TensorTupleReducerDeviceOp : public TensorBase<TensorTupleReducerDeviceOp<
   expression() const { return m_xpr; }
 
   EIGEN_DEVICE_FUNC
-  int return_dim() const { return m_return_dim; }
+  Index return_dim() const { return m_return_dim; }
 
   EIGEN_DEVICE_FUNC
   const StrideDims& strides() const { return m_strides; }
@@ -86,8 +86,8 @@ class TensorTupleReducerDeviceOp : public TensorBase<TensorTupleReducerDeviceOp<
     typename Eigen::internal::remove_all<typename
     XprType::Nested
     >::type m_xpr;
-    const int m_return_dim;
-    const StrideDims& m_strides;
+    const Index m_return_dim;
+    const StrideDims m_strides;
     const Index m_stride_mod;
     const Index m_stride_div;
 };
@@ -137,10 +137,10 @@ typedef typename MakeGlobalPointer<typename TensorEvaluator<ArgType , SyclKernel
 
 protected:
  TensorEvaluator<ArgType , SyclKernelDevice> m_impl;
- const int m_return_dim;
- const StrideDims& m_strides;
- const Index& m_stride_mod;
- const Index& m_stride_div;
+ const Index m_return_dim;
+ const StrideDims m_strides;
+ const Index m_stride_mod;
+ const Index m_stride_div;
 };
 } // end namespace Eigen
 #endif //UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSOR_ARGMAX_SYCL_HPP
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorBase.h b/unsupported/Eigen/CXX11/src/Tensor/TensorBase.h
index fbe340820..5b1235826 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorBase.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorBase.h
@@ -619,7 +619,7 @@ class TensorBase<Derived, ReadOnlyAccessors>
       const array<Index, NumDimensions>, const Derived>
     argmax() const {
       array<Index, NumDimensions> in_dims;
-      for (int d = 0; d < NumDimensions; ++d) in_dims[d] = d;
+      for (Index d = 0; d < NumDimensions; ++d) in_dims[d] = d;
       return TensorTupleReducerOp<
         internal::ArgMaxTupleReducer<Tuple<Index, CoeffReturnType> >,
         const array<Index, NumDimensions>,
@@ -632,7 +632,7 @@ class TensorBase<Derived, ReadOnlyAccessors>
       const array<Index, NumDimensions>, const Derived>
     argmin() const {
       array<Index, NumDimensions> in_dims;
-      for (int d = 0; d < NumDimensions; ++d) in_dims[d] = d;
+      for (Index d = 0; d < NumDimensions; ++d) in_dims[d] = d;
       return TensorTupleReducerOp<
         internal::ArgMinTupleReducer<Tuple<Index, CoeffReturnType> >,
         const array<Index, NumDimensions>,
@@ -643,7 +643,7 @@ class TensorBase<Derived, ReadOnlyAccessors>
     const TensorTupleReducerOp<
       internal::ArgMaxTupleReducer<Tuple<Index, CoeffReturnType> >,
       const array<Index, 1>, const Derived>
-    argmax(const int return_dim) const {
+    argmax(const Index return_dim) const {
       array<Index, 1> in_dims;
       in_dims[0] = return_dim;
       return TensorTupleReducerOp<
@@ -656,7 +656,7 @@ class TensorBase<Derived, ReadOnlyAccessors>
     const TensorTupleReducerOp<
       internal::ArgMinTupleReducer<Tuple<Index, CoeffReturnType> >,
       const array<Index, 1>, const Derived>
-    argmin(const int return_dim) const {
+    argmin(const Index return_dim) const {
       array<Index, 1> in_dims;
       in_dims[0] = return_dim;
       return TensorTupleReducerOp<
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorPatch.h b/unsupported/Eigen/CXX11/src/Tensor/TensorPatch.h
index cead2eac8..1a105165d 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorPatch.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorPatch.h
@@ -268,7 +268,7 @@ struct TensorEvaluator<const TensorPatchOp<PatchDim, ArgType>, Device>
 
   TensorEvaluator<ArgType, Device> m_impl;
   // required by sycl
-  const PatchDim& patch_dims;
+  const PatchDim patch_dims;
 };
 
 } // end namespace Eigen
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorReduction.h b/unsupported/Eigen/CXX11/src/Tensor/TensorReduction.h
index e341e2e9b..597f3f9ae 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorReduction.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorReduction.h
@@ -791,7 +791,7 @@ static const bool RunningOnGPU = false;
   typename MakePointer_<CoeffReturnType>::Type m_result;
 
   const Device& m_device;
-  const Dims& m_xpr_dims;
+  const Dims m_xpr_dims;
 };
 
 } // end namespace Eigen
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorSyclExtractFunctors.h b/unsupported/Eigen/CXX11/src/Tensor/TensorSyclExtractFunctors.h
index 942e9d307..a7905706d 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorSyclExtractFunctors.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorSyclExtractFunctors.h
@@ -230,15 +230,15 @@ template<typename ReduceOp, typename Dims, typename ArgType, typename Device>\
  typedef typename Evaluator::Index Index;\
  typedef typename Eigen::internal::conditional<NumOutputDims==0, DSizes<Index, 1>, typename Evaluator::Dimensions >::type Dimensions;\
  const Dimensions m_dimensions;\
- const int m_return_dim;\
+ const Index m_return_dim;\
  const StrideDims m_strides;\
  const Index m_stride_mod;\
  const Index m_stride_div;\
  EIGEN_STRONG_INLINE const Dimensions& dimensions() const { return m_dimensions; }\
- EIGEN_STRONG_INLINE  int return_dim() const {return m_return_dim;}\
- EIGEN_STRONG_INLINE const StrideDims& strides() const {return m_strides;}\
- EIGEN_STRONG_INLINE const Index& stride_mod() const {return m_stride_mod;}\
- EIGEN_STRONG_INLINE const Index& stride_div() const {return m_stride_div;}\
+ EIGEN_STRONG_INLINE  Index return_dim() const {return m_return_dim;}\
+ EIGEN_STRONG_INLINE const StrideDims strides() const {return m_strides;}\
+ EIGEN_STRONG_INLINE const Index stride_mod() const {return m_stride_mod;}\
+ EIGEN_STRONG_INLINE const Index stride_div() const {return m_stride_div;}\
  FunctorExtractor(const TensorEvaluator<CVQual TensorTupleReducerOp<ReduceOp, Dims, ArgType>, Device>& expr)\
  : m_dimensions(DimConstr<Dimensions, NumOutputDims>::getDim(expr.dimensions())), m_return_dim(expr.return_dim()),\
    m_strides(expr.strides()), m_stride_mod(expr.stride_mod()), m_stride_div(expr.stride_div()){}\
diff --git a/unsupported/test/cxx11_tensor_argmax_sycl.cpp b/unsupported/test/cxx11_tensor_argmax_sycl.cpp
index b80cb8f06..521a7f82c 100644
--- a/unsupported/test/cxx11_tensor_argmax_sycl.cpp
+++ b/unsupported/test/cxx11_tensor_argmax_sycl.cpp
@@ -143,10 +143,6 @@ static void test_sycl_argmax_dim(const Eigen::SyclDevice &sycl_device)
   }
 }
 
-
-
-
-
 template <typename DataType, int DataLayout, typename DenseIndex>
 static void test_sycl_argmin_dim(const Eigen::SyclDevice &sycl_device)
 {
@@ -242,9 +238,8 @@ template<typename DataType, typename Device_Selector> void sycl_argmax_test_per_
 }
 
 void test_cxx11_tensor_argmax_sycl() {
-// TODO {lukei}: re-enable once fixed
-/* for (const auto& device :Eigen::get_sycl_supported_devices()) {
+ for (const auto& device :Eigen::get_sycl_supported_devices()) {
     CALL_SUBTEST(sycl_argmax_test_per_device<double>(device));
   }
-*/
+
 }