@@ -17,8 +17,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Keras.UnitTest", "test\Kera
 EndProject
 Project("{6EC3EE1D-3C4E-46DD-8F32-0CC8E7565705}") = "TensorFlowNET.Examples.FSharp", "test\TensorFlowNET.Examples.FSharp\TensorFlowNET.Examples.FSharp.fsproj", "{62BC3801-F0D3-44A9-A0AC-712F40C8F961}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NumSharp.Core", "..\NumSharp\src\NumSharp.Core\NumSharp.Core.csproj", "{92762DCB-64C8-41B4-BEF7-780A969CE68F}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -53,10 +51,6 @@ Global
 		{62BC3801-F0D3-44A9-A0AC-712F40C8F961}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{62BC3801-F0D3-44A9-A0AC-712F40C8F961}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{62BC3801-F0D3-44A9-A0AC-712F40C8F961}.Release|Any CPU.Build.0 = Release|Any CPU
-		{92762DCB-64C8-41B4-BEF7-780A969CE68F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{92762DCB-64C8-41B4-BEF7-780A969CE68F}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{92762DCB-64C8-41B4-BEF7-780A969CE68F}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{92762DCB-64C8-41B4-BEF7-780A969CE68F}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 
@@ -15,7 +15,7 @@ public static object gradients(Tensor[] ys,
             int? aggregation_method = null,
             Tensor[] stop_gradients = null)
         {
-            return gradients_impl._GradientsHelper(ys, 
+            return gradients_util._GradientsHelper(ys, 
                 xs, 
                 grad_ys, 
                 name, 
@@ -33,7 +33,7 @@ public static Tensor[] gradients(Tensor ys,
             int? aggregation_method = null,
             Tensor[] stop_gradients = null)
         {
-            return gradients_impl._GradientsHelper(new Tensor[] { ys },
+            return gradients_util._GradientsHelper(new Tensor[] { ys },
                 xs,
                 grad_ys,
                 name,