diff --git a/pkgs/development/interpreters/python/pypy/default.nix b/pkgs/development/interpreters/python/pypy/default.nix
index e782eb2fdeea..e5828fdd3740 100644
--- a/pkgs/development/interpreters/python/pypy/default.nix
+++ b/pkgs/development/interpreters/python/pypy/default.nix
@@ -53,6 +53,10 @@ in with passthru; stdenv.mkDerivation rec {
 
   hardeningDisable = optional stdenv.isi686 "pic";
 
+  # Remove bootstrap python from closure
+  dontPatchShebangs = true;
+  disallowedReferences = [ python ];
+
   C_INCLUDE_PATH = makeSearchPathOutput "dev" "include" buildInputs;
   LIBRARY_PATH = makeLibraryPath buildInputs;
   LD_LIBRARY_PATH = makeLibraryPath (filter (x : x.outPath != stdenv.cc.libc.outPath or "") buildInputs);