diff --git a/src/interpreter.cc b/src/interpreter.cc
index 31844ff5d9b236dc485578318da83721ac225f7e..08544c4df99770bad6c8982c304cd961d52183f4 100644
--- a/src/interpreter.cc
+++ b/src/interpreter.cc
@@ -22,10 +22,7 @@
 namespace dynamicgraph {
   namespace python {
     static const std::string pythonPrefix[5] = {
-      "import sys\n",
       "import traceback\n",
-      "if '' not in sys.path: sys.path.append('')\n",
-      "sys.argv = ['']\n",
       "def display(s): return str(s) if not s is None else None"
     };
   }