diff --git a/pkgs/development/libraries/v8/default.nix b/pkgs/development/libraries/v8/default.nix
index 34026806a52..1fd6179183f 100644
--- a/pkgs/development/libraries/v8/default.nix
+++ b/pkgs/development/libraries/v8/default.nix
@@ -18,7 +18,6 @@ stdenv.mkDerivation rec {
     };
 
     configurePhase = ''
-      ${stdenv.lib.optionalString (stdenv.system == "x86_64-darwin") "export PATH=/usr/bin:$PATH"}
       mkdir build/gyp
       ln -sv ${gyp}/bin/gyp build/gyp/gyp
     '';
diff --git a/pkgs/development/web/nodejs/default.nix b/pkgs/development/web/nodejs/default.nix
index 4e00e39fc3d..42fad7d7deb 100644
--- a/pkgs/development/web/nodejs/default.nix
+++ b/pkgs/development/web/nodejs/default.nix
@@ -12,18 +12,15 @@ stdenv.mkDerivation rec {
   configureFlags = [
     "--openssl-includes=${openssl}/include"
     "--openssl-libpath=${openssl}/lib"
-    #"--shared-v8"
-    #"--shared-v8-includes=${v8}/includes"
-    #"--shared-v8-libpath=${v8}/lib"
+    "--shared-v8"
+    "--shared-v8-includes=${v8}/includes"
+    "--shared-v8-libpath=${v8}/lib"
   ];
 
   #patches = stdenv.lib.optional stdenv.isDarwin ./no-arch-flag.patch;
 
   prePatch = ''
-    sed=$(type -p sed)
-    export PATH=/usr/bin:$PATH
-
-    $sed -e 's|^#!/usr/bin/env python$|#!${python}/bin/python|g' -i tools/{*.py,waf-light,node-waf} configure
+    sed -e 's|^#!/usr/bin/env python$|#!${python}/bin/python|g' -i tools/{*.py,waf-light,node-waf} configure
   '';
 
   postInstall = ''