diff --git a/pkgs/development/interpreters/python/2.6/default.nix b/pkgs/development/interpreters/python/2.6/default.nix
index 3ae16d26d614..b46c29025586 100644
--- a/pkgs/development/interpreters/python/2.6/default.nix
+++ b/pkgs/development/interpreters/python/2.6/default.nix
@@ -64,6 +64,8 @@ let
     postInstall =
       ''
         rm -rf "$out/lib/python${majorVersion}/test"
+        rm "$out/lib/python${majorVersion}/site-packages/README"
+        rmdir "$out/lib/python${majorVersion}/site-packages/"
       '';
 
     passthru = {
diff --git a/pkgs/development/interpreters/python/2.7/default.nix b/pkgs/development/interpreters/python/2.7/default.nix
index 968a4859aed7..58a70c5f60c6 100644
--- a/pkgs/development/interpreters/python/2.7/default.nix
+++ b/pkgs/development/interpreters/python/2.7/default.nix
@@ -78,6 +78,8 @@ let
     postInstall =
       ''
         rm -rf "$out/lib/python${majorVersion}/test"
+        rm "$out/lib/python${majorVersion}/site-packages/README"
+        rmdir "$out/lib/python${majorVersion}/site-packages/"
       '';
 
     passthru = {
diff --git a/pkgs/development/interpreters/python/3.1/default.nix b/pkgs/development/interpreters/python/3.1/default.nix
index 892af52a9197..2eed78cb49fe 100644
--- a/pkgs/development/interpreters/python/3.1/default.nix
+++ b/pkgs/development/interpreters/python/3.1/default.nix
@@ -54,6 +54,8 @@ stdenv.mkDerivation {
 
   postInstall = ''
     rm -rf "$out/lib/python${majorVersion}/test"
+    rm "$out/lib/python${majorVersion}/site-packages/README"
+    rmdir "$out/lib/python${majorVersion}/site-packages/"
   '';
 
   passthru = {
diff --git a/pkgs/development/interpreters/python/3.2/default.nix b/pkgs/development/interpreters/python/3.2/default.nix
index 1ab115f04696..501db22c8d39 100644
--- a/pkgs/development/interpreters/python/3.2/default.nix
+++ b/pkgs/development/interpreters/python/3.2/default.nix
@@ -53,6 +53,8 @@ stdenv.mkDerivation {
 
   postInstall = ''
     rm -rf "$out/lib/python${majorVersion}/test"
+    rm "$out/lib/python${majorVersion}/site-packages/README"
+    rmdir "$out/lib/python${majorVersion}/site-packages/"
   '';
 
   passthru = {