diff --git a/bip-0075.mediawiki b/bip-0075.mediawiki
index 0552758c..9ce90f6d 100644
--- a/bip-0075.mediawiki
+++ b/bip-0075.mediawiki
@@ -381,4 +381,3 @@ The following diagram shows a sample flow in which one mobile client is sending
 * [https://tools.ietf.org/html/rfc6979 RFC6979]
 * [https://en.bitcoin.it/wiki/Address_reuse Address Reuse]
 * [http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf FIPS 180-4 (Secure Hash Standard)]
-* [https://github.com/bitcoin-core/secp256k1/blob/master/src/modules/ecdh/main_impl.h libsecp256k1 ECDH Implementation]