diff --git a/include/advanced_config.h b/include/advanced_config.h
index 5924e9f39d..bd806cc1e6 100644
--- a/include/advanced_config.h
+++ b/include/advanced_config.h
@@ -97,7 +97,7 @@ public:
 
     /**
      * Epsilon for DRC tests.  Note that for zone tests this is essentially additive with
-     * m_extraClearance.  Units are mm.
+     * m_ExtraClearance.  Units are mm.
      */
     double m_DRCEpsilon;
 
diff --git a/pcbnew/router/pns_node.cpp b/pcbnew/router/pns_node.cpp
index 0950de582b..28a665692f 100644
--- a/pcbnew/router/pns_node.cpp
+++ b/pcbnew/router/pns_node.cpp
@@ -169,8 +169,7 @@ void NODE::unlinkParent()
 OBSTACLE_VISITOR::OBSTACLE_VISITOR( const ITEM* aItem ) :
     m_item( aItem ),
     m_node( NULL ),
-    m_override( NULL ),
-    m_extraClearance( 0 )
+    m_override( NULL )
 {
 }
 
@@ -212,10 +211,6 @@ struct NODE::DEFAULT_OBSTACLE_VISITOR : public OBSTACLE_VISITOR
         m_matchCount( 0 ),
         m_differentNetsOnly( aDifferentNetsOnly )
     {
-        if( aItem && aItem->Kind() == ITEM::LINE_T )
-        {
-             m_extraClearance += static_cast<const LINE*>( aItem )->Width() / 2;
-        }
     }
 
     virtual ~DEFAULT_OBSTACLE_VISITOR()
diff --git a/pcbnew/router/pns_node.h b/pcbnew/router/pns_node.h
index a8dbd0e484..f62aa8a725 100644
--- a/pcbnew/router/pns_node.h
+++ b/pcbnew/router/pns_node.h
@@ -130,7 +130,6 @@ protected:
 
     const NODE* m_node;             ///< node we are searching in (either root or a branch)
     const NODE* m_override;         ///< node that overrides root entries
-    int         m_extraClearance;   ///< additional clearance
 };
 
 /**