diff --git a/openvoice/commons.py b/openvoice/commons.py
index d3fa07f6..790b548f 100644
--- a/openvoice/commons.py
+++ b/openvoice/commons.py
@@ -13,12 +13,6 @@ def get_padding(kernel_size, dilation=1):
     return int((kernel_size * dilation - dilation) / 2)
 
 
-def convert_pad_shape(pad_shape):
-    layer = pad_shape[::-1]
-    pad_shape = [item for sublist in layer for item in sublist]
-    return pad_shape
-
-
 def intersperse(lst, item):
     result = [item] * (len(lst) * 2 + 1)
     result[1::2] = lst