diff --git a/src/post_modules/Nettle/cipher.cmod b/src/post_modules/Nettle/cipher.cmod
index eee5288765bbe6955e28ecdc718d4d0fe521eb22..167d8333b9a122ad410e9433fdfc2e2017a9a6cc 100644
--- a/src/post_modules/Nettle/cipher.cmod
+++ b/src/post_modules/Nettle/cipher.cmod
@@ -2896,11 +2896,6 @@ PIKECLASS Proxy {
 
 /*! @endmodule Nettle */
 
-#define PAD_ISO_10126  1
-#define PAD_ANSI_X923  2
-#define PAD_PKCS7      3
-#define PAD_ZERO       4
-
 void
 cipher_init(void)
 {