diff --git a/pkgs/development/compilers/llvm/3.8/llvm.nix b/pkgs/development/compilers/llvm/3.8/llvm.nix
index 2c65234b6a4..30d40a84b4e 100644
--- a/pkgs/development/compilers/llvm/3.8/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.8/llvm.nix
@@ -49,7 +49,7 @@ in stdenv.mkDerivation rec {
       --replace 'set(CMAKE_INSTALL_NAME_DIR "@rpath")' "set(CMAKE_INSTALL_NAME_DIR "$out/lib")" \
       --replace 'set(CMAKE_INSTALL_RPATH "@executable_path/../lib")' ""
   ''
-  + stdenv.lib.optionalString (stdenv ? glibc) ''
+  + ''
     (
       cd projects/compiler-rt
       patch -p1 < ${