diff --git a/src/libplctag/INativeTag.cs b/src/libplctag/INativeTag.cs
index 3f889052..adebe3ef 100644
--- a/src/libplctag/INativeTag.cs
+++ b/src/libplctag/INativeTag.cs
@@ -33,7 +33,6 @@ interface INativeTag
         sbyte plc_tag_get_int8(int tag, int offset);
         int plc_tag_get_int_attribute(int tag, string attrib_name, int default_value);
         int plc_tag_set_int_attribute(int tag, string attrib_name, int new_value);
-        int plc_tag_get_byte_array_attribute(int tag, string attrib_name, byte[] buffer, int buffer_length);
         int plc_tag_get_size(int tag);
         int plc_tag_set_size(int tag, int new_size);
         ushort plc_tag_get_uint16(int tag, int offset);
diff --git a/src/libplctag/NativeTag.cs b/src/libplctag/NativeTag.cs
index 282823d7..99045602 100644
--- a/src/libplctag/NativeTag.cs
+++ b/src/libplctag/NativeTag.cs
@@ -35,7 +35,6 @@ class NativeTag : INativeTag
         public int plc_tag_abort(Int32 tag)                                                                             => plctag.plc_tag_abort(tag);
         public int plc_tag_get_int_attribute(Int32 tag, string attrib_name, int default_value)                          => plctag.plc_tag_get_int_attribute(tag, attrib_name, default_value);
         public int plc_tag_set_int_attribute(Int32 tag, string attrib_name, int new_value)                              => plctag.plc_tag_set_int_attribute(tag, attrib_name, new_value);
-        public int plc_tag_get_byte_array_attribute(Int32 tag, string attrib_name, byte[] buffer, int buffer_length)    => plctag.plc_tag_get_byte_array_attribute(tag, attrib_name, buffer, buffer_length);
         public UInt64 plc_tag_get_uint64(Int32 tag, int offset)                                                         => plctag.plc_tag_get_uint64(tag, offset);
         public Int64 plc_tag_get_int64(Int32 tag, int offset)                                                           => plctag.plc_tag_get_int64(tag, offset);
         public int plc_tag_set_uint64(Int32 tag, int offset, UInt64 val)                                                => plctag.plc_tag_set_uint64(tag, offset, val);
diff --git a/src/libplctag/NativeTagWrapper.cs b/src/libplctag/NativeTagWrapper.cs
index a0482c48..068b372a 100644
--- a/src/libplctag/NativeTagWrapper.cs
+++ b/src/libplctag/NativeTagWrapper.cs
@@ -528,20 +528,6 @@ private void SetIntAttribute(string attributeName, int value)
             ThrowIfStatusNotOk(result);
         }
 
-        public byte[] GetByteArrayAttribute(string attributeName)
-        {
-            ThrowIfAlreadyDisposed();
-
-            var bufferLengthAttributeName = attributeName + ".length";
-            var bufferLength = GetIntAttribute(bufferLengthAttributeName);
-            var buffer = new byte[bufferLength];
-
-            var result = (Status)_native.plc_tag_get_byte_array_attribute(nativeTagHandle, attributeName, buffer, buffer.Length);
-            ThrowIfStatusNotOk(result);
-
-            return buffer;
-        }
-
         private void SetDebugLevel(DebugLevel level)
         {
             _native.plc_tag_set_debug_level((int)level);
diff --git a/src/libplctag/Tag.cs b/src/libplctag/Tag.cs
index 71e6a9ed..d9ce568e 100644
--- a/src/libplctag/Tag.cs
+++ b/src/libplctag/Tag.cs
@@ -405,10 +405,6 @@ public uint? StringTotalLength
         public void GetBuffer(byte[] buffer)                => _tag.GetBuffer(buffer);
         public void SetBuffer(byte[] newBuffer)             => _tag.SetBuffer(newBuffer);
 
-        /// <summary>
-        /// This function retrieves an attribute of the raw tag byte array.
-        /// </summary>
-        public byte[] GetByteArrayAttribute(string attributeName)   => _tag.GetByteArrayAttribute(attributeName);
         public int GetSize()                                => _tag.GetSize();
         public void SetSize(int newSize)                    => _tag.SetSize(newSize);