diff --git a/pkcspad.h b/pkcspad.h
index 7ab98adb..a400e988 100644
--- a/pkcspad.h
+++ b/pkcspad.h
@@ -54,16 +54,6 @@ CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA224>;
 CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA256>;
 CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA384>;
 CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA512>;
-#else
-extern template class PKCS_DigestDecoration<SHA1>;
-extern template class PKCS_DigestDecoration<RIPEMD160>;
-extern template class PKCS_DigestDecoration<Tiger>;
-extern template class PKCS_DigestDecoration<SHA224>;
-extern template class PKCS_DigestDecoration<SHA256>;
-extern template class PKCS_DigestDecoration<SHA384>;
-extern template class PKCS_DigestDecoration<SHA512>;
-extern template class PKCS_DigestDecoration<Weak1::MD2>;
-extern template class PKCS_DigestDecoration<Weak1::MD5>;
 #endif
 
 //! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PKCS1-1.5">EMSA-PKCS1-v1_5</a>