diff --git a/pkgs/build-support/fetchurl/mirrors.nix b/pkgs/build-support/fetchurl/mirrors.nix
index cf30c54fe8c3..5d7ebc7cd87b 100644
--- a/pkgs/build-support/fetchurl/mirrors.nix
+++ b/pkgs/build-support/fetchurl/mirrors.nix
@@ -54,8 +54,6 @@
 
   # GCC
   gcc = [
-    "https://gcc.gnu.org/pub/gcc/"
-    "https://sourceware.org/pub/gcc/"
     "https://mirror.koddos.net/gcc/"
     "https://bigsearcher.com/mirrors/gcc/"
     "ftp://ftp.nluug.nl/mirror/languages/gcc/"