diff --git a/TTS/vc/modules/freevc/commons.py b/TTS/vc/modules/freevc/commons.py
index 5684a88e..e799cc2a 100644
--- a/TTS/vc/modules/freevc/commons.py
+++ b/TTS/vc/modules/freevc/commons.py
@@ -116,12 +116,6 @@ def fused_add_tanh_sigmoid_multiply(input_a, input_b, n_channels):
     return acts
 
 
-def convert_pad_shape(pad_shape):
-    l = pad_shape[::-1]
-    pad_shape = [item for sublist in l for item in sublist]
-    return pad_shape
-
-
 def shift_1d(x):
     x = F.pad(x, convert_pad_shape([[0, 0], [0, 0], [1, 0]]))[:, :, :-1]
     return x