diff --git a/Formula/blast.rb b/Formula/blast.rb
index fe97921da2..9ac4b250b1 100644
--- a/Formula/blast.rb
+++ b/Formula/blast.rb
@@ -2,7 +2,6 @@ class Blast < Formula
   desc "Basic Local Alignment Search Tool"
   homepage "https://blast.ncbi.nlm.nih.gov/"
   url "https://ftp.ncbi.nlm.nih.gov/blast/executables/blast+/LATEST/ncbi-blast-2.7.1+-src.tar.gz"
-  mirror "https://deb.debian.org/debian/pool/main/n/ncbi-blast+/ncbi-blast+_2.7.1.orig.tar.gz"
   version "2.7.1"
   sha256 "10a78d3007413a6d4c983d2acbf03ef84b622b82bd9a59c6bd9fbdde9d0298ca"