diff --git a/src/Duration.cpp b/src/Duration.cpp
index 31fd3b09b..05378e702 100644
--- a/src/Duration.cpp
+++ b/src/Duration.cpp
@@ -367,9 +367,3 @@ bool Duration::parse (const std::string& input, std::string::size_type& start)
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-void Duration::clear ()
-{
-  _secs = 0;
-}
-
-////////////////////////////////////////////////////////////////////////////////
diff --git a/src/Duration.h b/src/Duration.h
index 657bb79f9..58853a037 100644
--- a/src/Duration.h
+++ b/src/Duration.h
@@ -50,7 +50,6 @@ public:
   std::string formatISO () const;
 
   bool parse (const std::string&, std::string::size_type&);
-  void clear ();
 
 protected:
   time_t _secs;