1 files changed, 3 insertions, 5 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/4/llvm.nix b/nixpkgs/pkgs/development/compilers/llvm/4/llvm.nix
index ecb18a580540..ea70382d2ac7 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/4/llvm.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/4/llvm.nix
@@ -17,8 +17,6 @@
 }:
 
 let
-  src = fetch "llvm" "0l9bf7kdwhlj0kq1hawpyxhna1062z3h7qcz2y8nfl9dz2qksy6s";
-
   # Used when creating a versioned symlinks of libLLVM.dylib
   versionSuffixes = with stdenv.lib;
     let parts = splitString "." release_version; in
@@ -28,8 +26,10 @@ in
 stdenv.mkDerivation (rec {
   name = "llvm-${version}";
 
+  src = fetch "llvm" "0l9bf7kdwhlj0kq1hawpyxhna1062z3h7qcz2y8nfl9dz2qksy6s";
+
   unpackPhase = ''
-    unpackFile ${src}
+    unpackFile $src
     mv llvm-${version}* llvm
     sourceRoot=$PWD/llvm
     unpackFile ${compiler-rt_src}
@@ -150,8 +150,6 @@ stdenv.mkDerivation (rec {
 
   enableParallelBuilding = true;
 
-  passthru.src = src;
-
   meta = {
     description = "Collection of modular and reusable compiler and toolchain technologies";
     homepage    = http://llvm.org/;