1 files changed, 0 insertions, 13 deletions
diff --git a/src/expr.h b/src/expr.h
index 384cc661..041a5297 100644
--- a/src/expr.h
+++ b/src/expr.h
@@ -106,19 +106,6 @@ public:
   virtual string  context_to_str() const;
   virtual void    print(std::ostream& out) const;
   virtual void    dump(std::ostream& out) const;
-
-#if HAVE_BOOST_SERIALIZATION
-private:
-  /** Serialization. */
-
-  friend class boost::serialization::access;
-
-  template<class Archive>
-  void serialize(Archive& ar, const unsigned int /* version */) {
-    ar & boost::serialization::base_object<base_type>(*this);
-    ar & ptr;
-  }
-#endif // HAVE_BOOST_SERIALIZATION
 };
 
 /**