diff --git a/pcbnew/router/pns_line.cpp b/pcbnew/router/pns_line.cpp
index cdf2968948..c7304205e6 100644
--- a/pcbnew/router/pns_line.cpp
+++ b/pcbnew/router/pns_line.cpp
@@ -941,4 +941,12 @@ bool LINE::HasLockedSegments() const
     return false;
 }
 
+void LINE::Clear()
+{
+    m_hasVia = false;
+    m_line.Clear();
 }
+
+
+}
+
diff --git a/pcbnew/router/pns_line.h b/pcbnew/router/pns_line.h
index 63f7d189f7..73ee420880 100644
--- a/pcbnew/router/pns_line.h
+++ b/pcbnew/router/pns_line.h
@@ -293,6 +293,9 @@ public:
     bool HasLoops() const;
     bool HasLockedSegments() const;
 
+    void Clear();
+    void Merge ( const LINE& aOther );
+
     OPT_BOX2I ChangedArea( const LINE* aOther ) const;
 
     void SetSnapThreshhold( int aThreshhold )