diff --git a/pkgs/stdenv/linux/make-bootstrap-tools.nix b/pkgs/stdenv/linux/make-bootstrap-tools.nix
index 77834e55f66a..61c44f0bfecb 100644
--- a/pkgs/stdenv/linux/make-bootstrap-tools.nix
+++ b/pkgs/stdenv/linux/make-bootstrap-tools.nix
@@ -44,7 +44,10 @@ rec {
     '';
   };
 
-  bootGCC = pkgs.gcc.cc.override { enableLTO = false; };
+  bootGCC = pkgs.gcc.cc.override {
+    enableLTO = false;
+    isl = null;
+  };
 
   bootBinutils = pkgs.binutils.bintools.override {
     withAllTargets = false;
diff --git a/pkgs/stdenv/linux/stdenv-bootstrap-tools.nix b/pkgs/stdenv/linux/stdenv-bootstrap-tools.nix
index 894c70389267..0bc472489c5f 100644
--- a/pkgs/stdenv/linux/stdenv-bootstrap-tools.nix
+++ b/pkgs/stdenv/linux/stdenv-bootstrap-tools.nix
@@ -17,7 +17,6 @@
   gnumake,
   gnused,
   gzip,
-  isl,
   libc,
   libmpc,
   mpfr,
@@ -156,7 +155,6 @@ stdenv.mkDerivation (finalAttrs: {
       rm -rf $out/include/c++/*/ext/parallel
 
       cp -d ${gmpxx.out}/lib/libgmp*.so* $out/lib
-      cp -d ${isl.out}/lib/libisl*.so* $out/lib
       cp -d ${mpfr.out}/lib/libmpfr*.so* $out/lib
       cp -d ${libmpc.out}/lib/libmpc*.so* $out/lib
       cp -d ${zlib.out}/lib/libz.so* $out/lib