diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
index b7d8e3ba5236..af74be3a1c64 100644
--- a/pkgs/stdenv/darwin/default.nix
+++ b/pkgs/stdenv/darwin/default.nix
@@ -158,7 +158,7 @@ in rec {
         dyld = bootstrapTools;
       };
 
-      llvmPackages_5 = {
+      llvmPackages_7 = {
         libcxx = stdenv.mkDerivation {
           name = "bootstrap-stage0-libcxx";
           phases = [ "installPhase" "fixupPhase" ];
@@ -260,9 +260,9 @@ in rec {
       # Avoid pulling in a full python and its extra dependencies for the llvm/clang builds.
       libxml2 = super.libxml2.override { pythonSupport = false; };
 
-      llvmPackages_5 = super.llvmPackages_5 // (let
-        libraries = super.llvmPackages_5.libraries.extend (_: _: {
-          inherit (llvmPackages_5) libcxx libcxxabi;
+      llvmPackages_7 = super.llvmPackages_7 // (let
+        libraries = super.llvmPackages_7.libraries.extend (_: _: {
+          inherit (llvmPackages_7) libcxx libcxxabi;
         });
       in { inherit libraries; } // libraries);
 
@@ -314,12 +314,12 @@ in rec {
         ];
       });
 
-      llvmPackages_5 = super.llvmPackages_5 // (let
-        tools = super.llvmPackages_5.tools.extend (llvmSelf: _: {
-          inherit (llvmPackages_5) llvm clang-unwrapped;
+      llvmPackages_7 = super.llvmPackages_7 // (let
+        tools = super.llvmPackages_7.tools.extend (llvmSelf: _: {
+          inherit (llvmPackages_7) llvm clang-unwrapped;
         });
-        libraries = super.llvmPackages_5.libraries.extend (llvmSelf: _: {
-          inherit (llvmPackages_5) libcxx libcxxabi compiler-rt;
+        libraries = super.llvmPackages_7.libraries.extend (llvmSelf: _: {
+          inherit (llvmPackages_7) libcxx libcxxabi compiler-rt;
         });
       in { inherit tools libraries; } // tools // libraries);
 
@@ -353,12 +353,12 @@ in rec {
         ncurses libffi zlib llvm gmp pcre gnugrep
         coreutils findutils diffutils patchutils;
 
-      llvmPackages_5 = super.llvmPackages_5 // (let
-        tools = super.llvmPackages_5.tools.extend (_: super: {
-          inherit (llvmPackages_5) llvm clang-unwrapped;
+      llvmPackages_7 = super.llvmPackages_7 // (let
+        tools = super.llvmPackages_7.tools.extend (_: super: {
+          inherit (llvmPackages_7) llvm clang-unwrapped;
         });
-        libraries = super.llvmPackages_5.libraries.extend (_: _: {
-          inherit (llvmPackages_5) compiler-rt libcxx libcxxabi;
+        libraries = super.llvmPackages_7.libraries.extend (_: _: {
+          inherit (llvmPackages_7) compiler-rt libcxx libcxxabi;
         });
       in { inherit tools libraries; } // tools // libraries);
 
diff --git a/pkgs/stdenv/darwin/make-bootstrap-tools.nix b/pkgs/stdenv/darwin/make-bootstrap-tools.nix
index 670215a735d7..6a28439daf58 100644
--- a/pkgs/stdenv/darwin/make-bootstrap-tools.nix
+++ b/pkgs/stdenv/darwin/make-bootstrap-tools.nix
@@ -3,7 +3,7 @@
 with import pkgspath { inherit system; };
 
 let
-  llvmPackages = llvmPackages_5;
+  llvmPackages = llvmPackages_7;
 in rec {
   coreutils_ = coreutils.override (args: {
     # We want coreutils without ACL support.
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1551b2b3a1bb..5087400460bd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7544,7 +7544,7 @@ in
   llvm_37 = llvmPackages_37.llvm;
   llvm_35 = llvmPackages_35.llvm;
 
-  llvmPackages = recurseIntoAttrs (if stdenv.isDarwin then llvmPackages_5 else llvmPackages_7);
+  llvmPackages = recurseIntoAttrs llvmPackages_7;
 
   llvmPackages_35 = callPackage ../development/compilers/llvm/3.5 ({
     isl = isl_0_14;
diff --git a/pkgs/top-level/darwin-packages.nix b/pkgs/top-level/darwin-packages.nix
index da1878c5fc12..5ff97aa44401 100644
--- a/pkgs/top-level/darwin-packages.nix
+++ b/pkgs/top-level/darwin-packages.nix
@@ -15,7 +15,7 @@ in
   binutils-unwrapped = callPackage ../os-specific/darwin/binutils {
     inherit (darwin) cctools;
     inherit (pkgs) binutils-unwrapped;
-    inherit (pkgs.llvmPackages_5) llvm;
+    inherit (pkgs.llvmPackages_7) llvm;
   };
 
   binutils = pkgs.wrapBintoolsWith {