diff --git a/src/TensorFlowNET.Core/Attributes/c_api.ops.cs b/src/TensorFlowNET.Core/Attributes/c_api.ops.cs
new file mode 100644
index 00000000..9dc36fa8
--- /dev/null
+++ b/src/TensorFlowNET.Core/Attributes/c_api.ops.cs
@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace Tensorflow
+{
+    public static partial class c_api
+    {
+        /// <summary>
+        /// Fills in `value` with the value of the attribute `attr_name`.  `value` must
+        /// point to an array of length at least `max_length` (ideally set to
+        /// TF_AttrMetadata.total_size from TF_OperationGetAttrMetadata(oper,
+        /// attr_name)).
+        /// </summary>
+        /// <param name="oper">TF_Operation*</param>
+        /// <param name="attr_name">const char*</param>
+        /// <param name="status">TF_Status*</param>
+        /// <returns></returns>
+        [DllImport(TensorFlowLibName)]
+        public static extern IntPtr TF_OperationGetAttrMetadata(IntPtr oper, string attr_name, IntPtr status);
+
+        /// <summary>
+        /// Fills in `value` with the value of the attribute `attr_name`.  `value` must
+        /// point to an array of length at least `max_length` (ideally set to
+        /// TF_AttrMetadata.total_size from TF_OperationGetAttrMetadata(oper,
+        /// attr_name)). 
+        /// </summary>
+        /// <param name="oper">TF_Operation*</param>
+        /// <param name="attr_name">const char*</param>
+        /// <param name="value">void* </param>
+        /// <param name="max_length">size_t</param>
+        /// <param name="status">TF_Status*</param>
+        [DllImport(TensorFlowLibName)]
+        public static extern void TF_OperationGetAttrString(IntPtr oper, string attr_name, IntPtr value, uint max_length, IntPtr status);
+        
+        /// <summary>
+        /// Sets `output_attr_value` to the binary-serialized AttrValue proto
+        /// representation of the value of the `attr_name` attr of `oper`.
+        /// </summary>
+        /// <param name="oper"></param>
+        /// <returns></returns>
+        [DllImport(TensorFlowLibName)]
+        public static extern int TF_OperationGetAttrValueProto(IntPtr oper, string attr_name, IntPtr output_attr_value, IntPtr status);
+
+        [DllImport(TensorFlowLibName)]
+        public static extern void TF_SetAttrBool(IntPtr desc, string attr_name, bool value);
+
+        [DllImport(TensorFlowLibName)]
+        public static extern void TF_SetAttrValueProto(IntPtr desc, string attr_name, IntPtr proto, uint proto_len, IntPtr status);
+
+        /// <summary>
+        /// Set `num_dims` to -1 to represent "unknown rank".
+        /// </summary>
+        /// <param name="desc"></param>
+        /// <param name="attr_name"></param>
+        /// <param name="dims"></param>
+        /// <param name="num_dims"></param>
+        [DllImport(TensorFlowLibName)]
+        public static extern void TF_SetAttrShape(IntPtr desc, string attr_name, long[] dims, int num_dims);
+
+        /// <summary>
+        /// Call some TF_SetAttr*() function for every attr that is not
+        /// inferred from an input and doesn't have a default value you wish to
+        /// keep.
+        /// 
+        /// `value` must point to a string of length `length` bytes.
+        /// </summary>
+        /// <param name="desc">TF_OperationDescription*</param>
+        /// <param name="attr_name">const char*</param>
+        /// <param name="value">const void*</param>
+        /// <param name="length">size_t</param>
+        [DllImport(TensorFlowLibName)]
+        public static extern void TF_SetAttrString(IntPtr desc, string attr_name, IntPtr value, uint length);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="desc"></param>
+        /// <param name="attr_name"></param>
+        /// <param name="values"></param>
+        /// <param name="lengths"></param>
+        /// <param name="num_values"></param>
+        [DllImport(TensorFlowLibName)]
+        public static extern void TF_SetAttrStringList(IntPtr desc, string attr_name, IntPtr[] values, uint[] lengths, int num_values);
+
+        [DllImport(TensorFlowLibName)]
+        public static extern void TF_SetAttrTensor(IntPtr desc, string attr_name, IntPtr value, IntPtr status);
+
+        [DllImport(TensorFlowLibName)]
+        public static extern void TF_SetAttrType(IntPtr desc, string attr_name, TF_DataType value);
+    }
+}
diff --git a/src/TensorFlowNET.Core/Operations/c_api.ops.cs b/src/TensorFlowNET.Core/Operations/c_api.ops.cs
index 462a4321..cb3ae75e 100644
--- a/src/TensorFlowNET.Core/Operations/c_api.ops.cs
+++ b/src/TensorFlowNET.Core/Operations/c_api.ops.cs
@@ -52,42 +52,6 @@ namespace Tensorflow
         [DllImport(TensorFlowLibName)]
         public static extern IntPtr TF_OperationDevice(IntPtr oper);
 
-        /// <summary>
-        /// Fills in `value` with the value of the attribute `attr_name`.  `value` must
-        /// point to an array of length at least `max_length` (ideally set to
-        /// TF_AttrMetadata.total_size from TF_OperationGetAttrMetadata(oper,
-        /// attr_name)).
-        /// </summary>
-        /// <param name="oper">TF_Operation*</param>
-        /// <param name="attr_name">const char*</param>
-        /// <param name="status">TF_Status*</param>
-        /// <returns></returns>
-        [DllImport(TensorFlowLibName)]
-        public static extern IntPtr TF_OperationGetAttrMetadata(IntPtr oper, string attr_name, IntPtr status);
-
-        /// <summary>
-        /// Fills in `value` with the value of the attribute `attr_name`.  `value` must
-        /// point to an array of length at least `max_length` (ideally set to
-        /// TF_AttrMetadata.total_size from TF_OperationGetAttrMetadata(oper,
-        /// attr_name)). 
-        /// </summary>
-        /// <param name="oper">TF_Operation*</param>
-        /// <param name="attr_name">const char*</param>
-        /// <param name="value">void* </param>
-        /// <param name="max_length">size_t</param>
-        /// <param name="status">TF_Status*</param>
-        [DllImport(TensorFlowLibName)]
-        public static extern void TF_OperationGetAttrString(IntPtr oper, string attr_name, IntPtr value, uint max_length, IntPtr status);
-        
-        /// <summary>
-        /// Sets `output_attr_value` to the binary-serialized AttrValue proto
-        /// representation of the value of the `attr_name` attr of `oper`.
-        /// </summary>
-        /// <param name="oper"></param>
-        /// <returns></returns>
-        [DllImport(TensorFlowLibName)]
-        public static extern int TF_OperationGetAttrValueProto(IntPtr oper, string attr_name, IntPtr output_attr_value, IntPtr status);
-
         /// <summary>
         /// Get list of all control inputs to an operation.  `control_inputs` must
         /// point to an array of length `max_control_inputs` (ideally set to
@@ -195,52 +159,5 @@ namespace Tensorflow
 
         [DllImport(TensorFlowLibName)]
         public static extern int TF_OperationOutputListLength(IntPtr oper, string arg_name, IntPtr status);
-
-        [DllImport(TensorFlowLibName)]
-        public static extern void TF_SetAttrBool(IntPtr desc, string attr_name, bool value);
-
-        [DllImport(TensorFlowLibName)]
-        public static extern void TF_SetAttrValueProto(IntPtr desc, string attr_name, IntPtr proto, uint proto_len, IntPtr status);
-
-        /// <summary>
-        /// Set `num_dims` to -1 to represent "unknown rank".
-        /// </summary>
-        /// <param name="desc"></param>
-        /// <param name="attr_name"></param>
-        /// <param name="dims"></param>
-        /// <param name="num_dims"></param>
-        [DllImport(TensorFlowLibName)]
-        public static extern void TF_SetAttrShape(IntPtr desc, string attr_name, long[] dims, int num_dims);
-
-        /// <summary>
-        /// Call some TF_SetAttr*() function for every attr that is not
-        /// inferred from an input and doesn't have a default value you wish to
-        /// keep.
-        /// 
-        /// `value` must point to a string of length `length` bytes.
-        /// </summary>
-        /// <param name="desc">TF_OperationDescription*</param>
-        /// <param name="attr_name">const char*</param>
-        /// <param name="value">const void*</param>
-        /// <param name="length">size_t</param>
-        [DllImport(TensorFlowLibName)]
-        public static extern void TF_SetAttrString(IntPtr desc, string attr_name, IntPtr value, uint length);
-
-        /// <summary>
-        /// 
-        /// </summary>
-        /// <param name="desc"></param>
-        /// <param name="attr_name"></param>
-        /// <param name="values"></param>
-        /// <param name="lengths"></param>
-        /// <param name="num_values"></param>
-        [DllImport(TensorFlowLibName)]
-        public static extern void TF_SetAttrStringList(IntPtr desc, string attr_name, IntPtr[] values, uint[] lengths, int num_values);
-
-        [DllImport(TensorFlowLibName)]
-        public static extern void TF_SetAttrTensor(IntPtr desc, string attr_name, IntPtr value, IntPtr status);
-
-        [DllImport(TensorFlowLibName)]
-        public static extern void TF_SetAttrType(IntPtr desc, string attr_name, TF_DataType value);
     }
 }