diff --git a/ethosu/vela/tflite/CallOnceOptions.py b/ethosu/vela/tflite/CallOnceOptions.py
index f43715f..6a68791 100644
--- a/ethosu/vela/tflite/CallOnceOptions.py
+++ b/ethosu/vela/tflite/CallOnceOptions.py
@@ -3,27 +3,17 @@
 # namespace: tflite
 
 import flatbuffers
-from flatbuffers.compat import import_numpy
-np = import_numpy()
 
 class CallOnceOptions(object):
     __slots__ = ['_tab']
 
     @classmethod
-    def GetRootAs(cls, buf, offset=0):
+    def GetRootAsCallOnceOptions(cls, buf, offset):
         n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset)
         x = CallOnceOptions()
         x.Init(buf, n + offset)
         return x
 
-    @classmethod
-    def GetRootAsCallOnceOptions(cls, buf, offset=0):
-        """This method is deprecated. Please switch to GetRootAs."""
-        return cls.GetRootAs(buf, offset)
-    @classmethod
-    def CallOnceOptionsBufferHasIdentifier(cls, buf, offset, size_prefixed=False):
-        return flatbuffers.util.BufferHasIdentifier(buf, offset, b"\x54\x46\x4C\x33", size_prefixed=size_prefixed)
-
     # CallOnceOptions
     def Init(self, buf, pos):
         self._tab = flatbuffers.table.Table(buf, pos)
@@ -35,15 +25,6 @@
             return self._tab.Get(flatbuffers.number_types.Int32Flags, o + self._tab.Pos)
         return 0
 
-def Start(builder): builder.StartObject(1)
-def CallOnceOptionsStart(builder):
-    """This method is deprecated. Please switch to Start."""
-    return Start(builder)
-def AddInitSubgraphIndex(builder, initSubgraphIndex): builder.PrependInt32Slot(0, initSubgraphIndex, 0)
-def CallOnceOptionsAddInitSubgraphIndex(builder, initSubgraphIndex):
-    """This method is deprecated. Please switch to AddInitSubgraphIndex."""
-    return AddInitSubgraphIndex(builder, initSubgraphIndex)
-def End(builder): return builder.EndObject()
-def CallOnceOptionsEnd(builder):
-    """This method is deprecated. Please switch to End."""
-    return End(builder)
\ No newline at end of file
+def CallOnceOptionsStart(builder): builder.StartObject(1)
+def CallOnceOptionsAddInitSubgraphIndex(builder, initSubgraphIndex): builder.PrependInt32Slot(0, initSubgraphIndex, 0)
+def CallOnceOptionsEnd(builder): return builder.EndObject()