diff --git a/src/TensorFlowNET.Core/Operations/OpDefLibrary.cs b/src/TensorFlowNET.Core/Operations/OpDefLibrary.cs
index 530469ea..aac58828 100644
--- a/src/TensorFlowNET.Core/Operations/OpDefLibrary.cs
+++ b/src/TensorFlowNET.Core/Operations/OpDefLibrary.cs
@@ -9,26 +9,10 @@ namespace Tensorflow
 {
     public class OpDefLibrary
     {
-        public Dictionary<string, OpDef> _ops = new Dictionary<string, OpDef>();
-
-        public void add_op_list(OpList op_list)
-        {
-            foreach(var op_def in op_list.Op)
-            {
-                add_op(op_def);
-            }
-        }
-
-        public void add_op(OpDef op_def)
-        {
-            _ops[op_def.Name] = op_def;
-        }
-
         public unsafe Operation _apply_op_helper(string op_type_name, string name = "", Dictionary<string, object> keywords = null)
         {
-            var op_def = _ops[op_type_name];
-
             var g = ops.get_default_graph();
+            var op_def = g.GetOpDef(op_type_name);
 
             if (String.IsNullOrEmpty(name))
             {
diff --git a/src/TensorFlowNET.Core/Operations/gen_array_ops.cs b/src/TensorFlowNET.Core/Operations/gen_array_ops.cs
index fbff32e0..8330fe28 100644
--- a/src/TensorFlowNET.Core/Operations/gen_array_ops.cs
+++ b/src/TensorFlowNET.Core/Operations/gen_array_ops.cs
@@ -8,7 +8,7 @@ namespace Tensorflow
 {
     public static class gen_array_ops
     {
-        public static OpDefLibrary _op_def_lib = _InitOpDefLibrary();
+        public static OpDefLibrary _op_def_lib = new OpDefLibrary();
 
         public static Tensor placeholder(TF_DataType dtype, TensorShape shape = null)
         {
@@ -34,15 +34,5 @@ namespace Tensorflow
             var tensor = new Tensor(_op, 0, dtype);
             return tensor;
         }
-
-        private static OpDefLibrary _InitOpDefLibrary()
-        {
-            var bytes = File.ReadAllBytes("Operations/op_list_proto_array.bin");
-            var op_list = OpList.Parser.ParseFrom(bytes);
-            var op_def_lib = new OpDefLibrary();
-            op_def_lib.add_op_list(op_list);
-
-            return op_def_lib;
-        }
     }
 }
diff --git a/src/TensorFlowNET.Core/Operations/gen_math_ops.cs b/src/TensorFlowNET.Core/Operations/gen_math_ops.cs
index 8ebe36bf..e21b5b33 100644
--- a/src/TensorFlowNET.Core/Operations/gen_math_ops.cs
+++ b/src/TensorFlowNET.Core/Operations/gen_math_ops.cs
@@ -7,7 +7,7 @@ namespace Tensorflow
 {
     public static class gen_math_ops
     {
-        public static OpDefLibrary _op_def_lib = _InitOpDefLibrary();
+        public static OpDefLibrary _op_def_lib = new OpDefLibrary();
 
         public static Tensor add(Tensor a, Tensor b)
         {
@@ -19,16 +19,5 @@ namespace Tensorflow
 
             return new Tensor(_op, 0, _op.OutputType(0));
         }
-
-        private static OpDefLibrary _InitOpDefLibrary()
-        {
-            // c_api.TF_GraphGetOpDef(g.Handle, op_type_name, buffer.Handle, status.Handle);
-            var bytes = File.ReadAllBytes("Operations/op_list_proto_math.bin");
-            var op_list = OpList.Parser.ParseFrom(bytes);
-            var op_def_lib = new OpDefLibrary();
-            op_def_lib.add_op_list(op_list);
-
-            return op_def_lib;
-        }
     }
 }
diff --git a/src/TensorFlowNET.Core/Operations/op_list_proto_array.bin b/src/TensorFlowNET.Core/Operations/op_list_proto_array.bin
deleted file mode 100644
index 62d31e67..00000000
Binary files a/src/TensorFlowNET.Core/Operations/op_list_proto_array.bin and /dev/null differ
diff --git a/src/TensorFlowNET.Core/Operations/op_list_proto_math.bin b/src/TensorFlowNET.Core/Operations/op_list_proto_math.bin
deleted file mode 100644
index c94552c8..00000000
Binary files a/src/TensorFlowNET.Core/Operations/op_list_proto_math.bin and /dev/null differ
diff --git a/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj b/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj
index 379eea92..9d4e3b20 100644
--- a/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj
+++ b/src/TensorFlowNET.Core/TensorFlowNET.Core.csproj
@@ -40,12 +40,6 @@ Docs: https://tensorflownet.readthedocs.io</Description>
   </ItemGroup>
 
   <ItemGroup>
-    <None Update="Operations\op_list_proto_array.bin">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
-    <None Update="Operations\op_list_proto_math.bin">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
     <Content CopyToOutputDirectory="PreserveNewest" Include="./runtimes/win-x64/native/tensorflow.dll" Link="tensorflow.dll" Pack="true" PackagePath="runtimes/win-x64/native/tensorflow.dll" />
   </ItemGroup>